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Items 651 to 700 of 937 on page 14 of 19
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Doepfer A-143-2 Quad ADSR Attack/Decay/Sustain/release Module (silver)
Doepfer A-143-2 Quad ADSR Attack/Decay/Sustain/release Module (silver) (envelope generator/quad/LFO/function generator synth module)
Cat: 577755 Rel: 09 Jul 20
 
Quad ADSR envelope generator synth module, 26HP wide
Notes: The A-143 series of modules contain multiple modulation sources. Module A-143-2 is a four-fold ADSR type envelope generator. Other modules of this series are the Complex Envelope Generator A-143-1 (Quad AD) and the Quad LFO A-143-3.

The module contains 4 independent ADSR-type envelope generators. Each sub-module has available the controls Attack, Decay, Sustain and Release. The three-position Range switch allows to select the desired time range (low - high - medium). The adjustable envelope time ranges from several minutes to some milliseconds. On top of this each sub-module is equipped with three digital outputs (high/low): "End of Attack (EOA)", "End of Decay (EOD)" and "End of Release (EOR)". As soon as the criterion is valid (e.g. end of decay state) the corresponding digital outputs turns to "high". These outputs can be used e.g. to daisy-chain several ADSR sub-modules. For this the digital output in question (EOA, EOD or EOR) has to be connected to the Gate input of the following ADSR. Even automatically running envelopes (pseudo LFOs) or so-called "quadrature envelopes" with cyclical modulations of several ring-shaped, daisy-chained ADSRs are possible. To obtain a pseudo LFO simply the EOD or EOR output has to be connected to the Gate input of the same ADSR.

In addition to the obligatory Gate (G) input for envelope generators each sub-module has available a Retrigger (Rt) input. The retrigger turns the direction to "upward" if the envelope has already reached the decay state while the retrigger pulse occurs. If the envelope is still in the attack phase the retrigger input has no meaning. This a different behaviour from A-140 and A-141!

The Gate inputs of the units 2, 3 and 4 are normalled to the Gate input of unit 1, i.e. Gate input 1 is connected to the switching contacts of the Gate input sockets 2, 3 and 4. Thus one Gate signal applied to Gate input 1 can be used to trigger all four sub-modules simultaneously.

The envelope outputs are displayed with LEDs.

The maximal envelope voltage (Attack/Decay reversal point) is about +8V.

If voltage control of all parameters is required module A-141 is available.
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 1 in stock $194.58
Doepfer A-103 VCF6 18dB Low Pass Filter Module
Cat: 692504 Rel: 18 Jun 18
 
18dB low pass filter based on a modified Moog cascade - 8HP
Notes: Module A-103 is a voltage controlled low pass filter with 18dB/octave slope. The circuit is based on a modified transistor ladder (Moog ladder) and is a reproduction of the legendary TB303 filter.

As for the rest the A-103 is identical to the A-120 Moog low pass filter (same controls, inputs/outputs) only the filter sound is different.
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 1 in stock $90.45
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Doepfer A-149-1 RCV Quantized/Stored Random Voltages Module (silver)
Cat: 745776 Rel: 09 Sep 19
 
12HP random voltage generator for Eurorack, with 4 CV outputs
Notes: Module A-149-1 is the first module of the A-149-x range. In this group we present by popular request several functions of Don Buchla's "Source of Uncertainty 265/266" (SOU) modules that cannot be realized with existing A-100 modules. Many functions of Buchla's 265 and 266 SOU can be realized with existing A-100 modules. For details please refer to A-100 patch examples.

Module A-149-1 has available four different analogue random control voltages that are generated in different ways.

The "Quantized Random Voltages" section has available 2 CV outputs: "N+1 states" and "2N states". N is an integer number in the range 1...6 that can be adjusted with the manual control (Man N) and an external control voltage CVN with attenuator. Whenever the rising edge of the input clock signal (Clk In) appears a new random voltage is generated at the N+1 resp. 2N output. The N+1 output is capable to generate N+1 different voltage levels (or states), the 2N output up to 2N different states. If for example N is set to 4 the N+1 output generates up to 5, the 2N output 16 different states. The voltage steps of the 2N output are adjusted to 1/12 V in the factory. Consequently, exact semitones can be obtained in combination with a VCO. The voltage steps of the n+1 output are adjusted to 1.0 V in the factory corresponding to octave intervals in combination with a VCO. For each output a trimming potentiometer is available on the pc board that enables the user to select other voltage steps for the output in question.

Even the "Stored Random Voltages" section has 2 stepped CV outputs available: one with even voltage distribution of the max. 256 output states and second one with adjustable voltage distribution probability. The distribution probability is adjusted by a manual control (Man D) and an external control voltage CVD with attenuator. With the control set fully counter-clockwise most of the random voltages will be low magnitude but even medium and high magnitude voltages may appear but with smaller probability. As the control is turned to the right (or a positive control voltage appears at the CVD input) the distribution moves through medium to high magnitude voltage probability. The symbol at the lower jack socket shows this coherence graphically. The voltage range is 0...+5V for both outputs of the "Stored Random Voltages" section. For each output a trimming potentiometer is available on the pc board that enables the user to select another voltage range for the output in question.

The A-149-1 can be extended by 8 random digital voltages with the A-149-2 Digital Random Voltages module.
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MRP:$120.96 SAVE 15%
 1 in stock $103.32
Doepfer A-118-2V Noise/Random/Sample & Hold Vintage Edition Module (black)
Cat: 790467 Rel: 10 Nov 20
 
Signal generator module
Notes: Module A-118-2 generates the signals white noise, colored noise, continuous random voltage and stepped random voltage.

The noise signal is generated 100% analog by amplification of the noise of a transistor. White and colored noise are usually used as audio sources. The random voltages are normally used as control voltages (e.g. for filter frequency or any other voltage controlled parameter).

The A-118-2 gives you the ability to mix the relative amounts of Red and Blue noise (low/high frequency component) in the colored noise output.

For the continuous random voltage the rate of change (Rate) and amplitude (Level) of the random voltage can be adjusted. The continuous random voltage is used as source for the S&H/T&H unit. The type of operation can be set to S&H (sample and hold) or T&H (track and hold). When T&H is chosen the output signal follows the input signal as long as the Clock input is "high". As soon as the clock signal changes to "low" the last voltage is stored. When S&H is chosen the input signal is sampled at the rising edge of the Clock signal. For the Clock signal a "digital" signal (e.g. Clock, Gate, rectangle output of an LFO) is required. Dual color LEDs are used to indicates the continuous and stepped random voltages.

Controls:
Blue: share of the high frequencies in the the colored noise output
Red: share of the low frequencies in the the colored noise output
Rate: rate of change of the continuous random voltage
Level: amplitude of the continuous random voltage
TH/SH: switches between T&H und S&H

Inputs and outputs:
RND: continuous random voltage output (with LED display)
TH/SH: stepped random voltage output (with LED display)
Clk: Clock input of the S&H/T&H unit
C Noise: colored noise output
W Noise: white noise output

Important notes:
After power on it takes a few minutes until the two noise signals and the random signals are generated. The module is not faulty when after power on the signals do not appear immediately!

The S&H/T&H function is realized by pure analog circuitry (electronic switch followed by a holding capacitor and buffer). Consequently the output voltage drifts a bit in the holding state because the capacitor is discharged by parasitic resistors. The drift depends also upon environmental conditions like humidity or temperature.

The level of the random voltage changes with the settings of the Blue and Red controls. Especially the Red control affects the random voltage level (which is derived by low pass filtering from the colored noise signal) because the Red control changes the share of the low frequencies in the colored noise signal. The effect of the Blue control is much smaller because it changes the share of the high frequencies in the colored noise signal which are filtered out by the low pass of the random circuitry.

Power consumption: 20mA at +12V and 20mA at -12V
Depth: 40mm
HP : 4
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 1 in stock $96.76
Doepfer A-135-1 QVCA/VCMIX Quad Linear VCA & Voltage Controlled Mixer Module
Cat: 738613 Rel: 09 Jul 19
 
Quad voltage-controlled mixer with 4 individual VCA's - 18HP
Notes: Module A-135-1 is a quad voltage controlled mixer. It is made of 4 independent linear VCA's. The VCA outputs are mixed to a common output. For each VCA the following inputs and controls are available: audio input with attenuator, control voltage input with attenuator, gain (pre-amplification). The VCA's are realized with high-quality CEM VCA's (CEM3381 for version 1 and SSM2164 for version 2).

Applications: voltage controlled mixing of up to 4 audio signals with separate control voltages (e.g. delivered by LFO's, ADSR's, Random, Shepard generator, MIDI-to-CV interface or other control voltage sources). In connection with the Morphing-Controller A-144 the soft fade-over of 4 audio signals with only one control voltage is possible.

Inputs: 4 x Signal in, 4 x CV In
Output: Signal Out, Version 2 in addition: 4 x Single Out
Controls: 4 x Signal In Attenuator, 4 x CV Attenuator, 4 x Initial Gain
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MRP:$146.20 SAVE 13%
 1 in stock $127.15
Doepfer A-149-4 Quad VC Random Polyphonic Random Voltage Source Slim Line Series Module
Cat: 847089 Rel: 24 Jun 22
 
Quad Random Voltage Source (Slim Line Series)
Notes: Module A-149-4 generates four triggered random voltages which meet the criteria choosen by several controls.

Manual controls for the criteria selection:

Octave range (manual control "Oct."): this parameter defines how many octaves are covered by the random voltages (0 ... +5V, with "Oct." control fully CCW only 0V are generated)

Grid (6 illuminated radio buttons): this parameter defines the grid of the random voltages:

Octaves (Oct)

Octaves + Quin (Quint)

Chords

Scale

Semitones

continuous (i.e. stepless)

Minor / Major (2 illuminated radio buttons): this parameter defines in case of chords or scales if they are minor or major. For all other grids this parameter has no meaning

Sixth / Seventh (2 illuminated separate buttons): these parameters defines if the sixth or seventh is added. Valid only if Oct, Quint, Chord or Scale is chosen as grid.

The output voltages follow the 1V/octave standard with exception of the Continuous mode. The voltages in this mode are totally random and do not follow the 1V/oct standard (i.e. not a multiple of 1/12V).
The generation of a new random voltage at the output (CV Out 1...4) is triggered by the corresponding trigger input (Trig. In 1...4). The trigger inputs are normalled top down. The minimum trigger level is +2.5V (up to max. +12V).

Applications:

random polyphonic structures (in combination with the polyphonic modules A-111-4, A-105-4, A-132-8, A-141-4 and e.g. A-157 as trigger source and A-173-1/2 for transposition of the polyphonic structures)

any application that requires several random voltages

Width: 4 HP / 20.0 mm
Depth: 45mm (measured from the rear side of the front panel)
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MRP:$160.93 SAVE 11%
 2 in stock $143.06
Doepfer A-130-8 Octal Linear VCA/Voltage Controlled Mixers Slim Line Series Module (silver)
Cat: 765896 Rel: 28 Jul 20
 
linear VCA module
Notes: Lots of functionality in a compact format thanks to Doepfer's typically smart approach. Eight linear VCAs with three mixers built in for good measure. Can be used for both audio and CV signals. Versatile.

Supplier notes:
Module A-130-8 contains eight linear voltage controlled amplifiers (VCAs). Each VCA features a control voltage input (CV), a signal input (In) and a signal output (Out). In addition three mixers are included: the socket labelled "1-4" outputs the sum of the VCAs 1-4, the socket labelled "5-8" outputs the sum of the VCAs 5-8, the socket labelled "1-8" outputs the sum of all eight VCAs.

The signal inputs are able to process levels up to 10Vpp without clipping. Each CV input is equipped with a trimming potentiometer that is used to adjust the sensitivity of the CV input in question. In the factory the module is adjusted for the CV range 1...+5V but can be re-adjusted by the user for other control voltage ranges (e.g. 0...+10V).

The amplification range for each single VCA is 0...1. The signals of the sum outputs have a lower amplification to avoid distortion.

The VCAs and mixers are fully DC coupled, i.e. the module can be used for the processing of both audio and control voltage signals. The control voltage and signal inputs can be normalled by means of small solder pads (e.g. 1 > 2 > 3 > 4 and so on, or 1 > 5, 2 > 6, 3 > 7, 4 > 8 for the stereo application mentioned below).

Typical applications:
any kind of VCA application (e.g. voltage controlled attenuation of audio or control voltage signals)
two voltage controlled mixers with four channels each
voltage controlled stereo mixer with four channels each, for this the control voltage inputs have to be correspondingly patched or internally normalled: CV1=CV5 /CV 2=CV6 / CV3=CV7 / CV4=CV8
voltage controlled mixer with eight channels
add-on for the planned Joystick module A-174-4

HP : 6
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MRP:$116.75 SAVE 15%
 1 in stock $99.22
Doepfer A-133-2 Dual Voltage Controlled VCA/Polarizer/Inverter/Ring Modulator Module (silver)
Doepfer A-133-2 Dual Voltage Controlled VCA/Polarizer/Inverter/Ring Modulator Module (silver) (attenuator/dual/stereo/polarizer/ring modulator/VCA synth module)
Cat: 765897 Rel: 28 Jul 20
 
VCA/polarizer/inverter/ring modulator module
Notes: A-133-2 is the slim version of the A-133 but has some additional features and improvements available compared to the A-133.

Module A-133-2 can be used for a lot of applications: as a simple VCA, or a voltage controlled polarizer/attuverter, or a voltage controlled inverter up to a DC coupled ring modulator. In principle the module contains two special voltage controlled amplifiers (VCAs) that allow both positive and negative amplification.

The overall amplification is definded by the sum of the voltage generated by the Man control, the external control voltage CV and the position of the CV control which works as an attenuator for the external control voltage. Without external CV the amplification is +1 when the Man control is fully CW. In the center position the amplification is zero and fully CCW it's -1 (i.e. the incoming signal is inverted). By means of the external control voltage CV the manually adjusted amplification can be modulated. CV can be both positive or negative (i.e. bipolar) to obtain positive or negative amplification values controlled by the external CV.

In addition the CV signal can be modulated via the modulation control input Mod by means of another control voltage. The Mod socket is normalled to +5V, i.e. a constant positive voltage is used as modulation CV provided that no plug is inserted into the Mod socket.

The current amplification is displayed by a dual color LED (note: it's not a signal display but indicates the amplification, probably yellow = positive amplification, red = negative amplification)
Application examples:
voltage controlled amplifier (VCA) with pure positive overall amplification (Man + CV)
voltage controlled inverter with pure negative overall amplification (Man + CV)
voltage controlled polarizer/attuverter overall amplification changing between positive and negative (Man + CV)
DC coupled ring modulator with offset feature, the "classical" ring modulator corresponds to Man=0 and symmetrical audio signals for In and CV
additional effects by means of the modulation feature of the CV signal (using the Mod input)
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 1 in stock $99.13
Doepfer A-182-1 Switched Multiples Module
Doepfer A-182-1 Switched Multiples Module (switch/multiple synth module)
Cat: 751724 Rel: 23 Oct 19
 
Eurorack passive multi-connector - 6HP
Notes: Module A-182-1 is a simple passive multi-connector similar to the multiples modules A-180-1/A-180-2. In contrast to modules A-180-1/2 each socket is equipped with a 3-position switch that allows to connect the corresponding socket to the internal bus #1 (left position), bus #2 (right position) or to turn the socket off (centre position).

Examples:

- All switches in left position or all switches in right position: 8-fold multiple

- Four switches in left position and four switches in right position: two 4-fold multiple

- X switches in left position, Y switches in right position and Z switches in centre position: two separate multiples with some sockets turned off
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MRP:$68.37 SAVE 14%
 2 in stock $58.89
Doepfer A-171-2 Voltage Controlled Slew Processor & Generator Module (silver)
Doepfer A-171-2 Voltage Controlled Slew Processor & Generator Module (silver) (envelope generator/function generator/LFO/oscillator/slew limiter synth module)
Cat: 577809 Rel: 23 Oct 19
 
Slew processor/generator - 8HP
Notes: Module A-171-2 is a voltage controlled slew limiter with a lot of additional features beyond a simple slew limiter. It's mostly a licensed copy of Ken Stones VCS which is in turn based on the Serge VCS.

Typical applications:

- VC Slew Limiter / VC Portamento / VC Low Pass Gate:

Cycle switch = off, no trigger signal applied to Trig socket: Voltage controlled Slew limiter or portamento generator: the signal applied to the signal input is "slewed". The slew up and down times are controlled manually by means of the Up and Down controls, the effect of the CV Up and CV Down control voltages are controlled by the CV Up and CV Down controls, in exponential mode these controls also affect the slew shape (see symbols at the CCW and CW positions of the controls).

If an audio signal is applied an short slew rates are chosen the module works as a simple VCF/VCA combo.

- A/D Envelope Generator / Pulse Delay / Subharmonic Generator:

Cycle switch = off, trigger signal applied to Trig socket, no input signal: Simple Attack/Decay envelope Generator, the rise and fall times are controlled like the slew up/down times above, including the shape of the falling/rising slope of the envelope, the exp. CV input can be used to change both attack and decay simultaneously.

At the End output a pulse appears as the end of the envelope is reached (less than about 20mV), this can be used as a pulse delay.

If a series of triggers are applied to the VCS faster than the total rise and fall times, the module will divide the incoming signal by a whole number. In the audio range the output will be the sub-harmonic series.

- VCLFO / VCO:

Cycle switch = on, no trigger signal applied to Trig socket, no input signal: Voltage controlled LFO/VCO, the rise and fall times of the waveform are controlled like the slew up/down times above, including the shape of the falling/rising slope
the exp. CV input can be used like the CV input of a VCO or VCLFO, the response is exponential but not exactly 1V/oct.
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 1 in stock $122.00
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Doepfer A-178 Theremin Control Voltage Source Module (silver)
Doepfer A-178 Theremin Control Voltage Source Module (silver) (controller/CV modulation/utility synth module)
Cat: 751716 Rel: 23 Oct 19
 
Theremin controller module - 8HP
Notes: Theremin module for generating a variable control voltage by approaching/removing hand to/from an antenna. The distance range is about 30-40 cm. Additionally the module is equipped with a Gate output with adjustable threshold level. Controls/Inputs/Outputs: antenna input, offset (knob for zero adjust), 2 x CV out, 2 x LED (for CV control positive/negative and zero offset adjust).

To simulate the original Theremin two A-178, a VCO (e.g. A-110) and a linear VCA (e.g. A-130 or A-132) are required. But of course the A-178 can be used to control other functions in the A-100 (e.g. filter frequency, modulation depth and/or speed, tempo, attack/decay time and so on).

The CV output voltage of the A-178 can range - according to the setting of the front panel controls - from -10V...+10V. The gate output switches from 0V to about +10V.

Applications:

- Controlling any voltage controlled parameter of the A-100, e.g. pitch or pulsewidth (VCO A-110), loudness (VCA A-130/131/132), panorama (A-134), filter frequency or resonance (A-120/121/122/123), phasing (A-125), frequency shift (A-126), resonance peaks (A-127), envelope parameters (A-141/142), tempo (A-147)

- Triggering of A-100 activities via gate with adjustable threshold, e.g. starting an envelope (A-140/141/142), Start/Stop of a sequence (A-155), any switching function (A-150/151)

- Conversion into MIDI control change messages is possible with the A-192.

If two or more A-178 are used the distance between the modules/antennas should be at least 40-50 cm. Otherwise the antennas may affect each other.
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 1 in stock $98.87
Doepfer A-140-2v Dual Mini ADSR Vintage Edition Module (black)
Doepfer A-140-2v Dual Mini ADSR Vintage Edition Module (black) (dual/stereo/envelope generator synth module)
Cat: 734880 Rel: 10 Jul 19
 
Envelope module with two ADSR voltage controlled enevelope generators - 8HP
Notes: The module contains two ADSR type voltage controlled envelope generators with exponential curve shapes (charge/discharge curves of a capacitor) behind a front panel with 8 HP only.

Each ADSR provides these controls and in/outputs:

- LED (displays the envelope output)
- A: manual Attack control
- D: manual Decay control
- S: manual Sustain control
- R: manual Release control
- Gate Input
- Retrigger Input
- CVT Input with attenuator (CVT = CV Time)
- Envelope Output 1
- Envelope Output 2

The output voltage range for each envelope is 0 - 10V (10V = attack peak).

The time range of Attack/Decay/Release is about 1ms to 30s.

By means of internal jumpers one can select which time parameters are controlled by the CVT input (e.g. D only or D+R or A+D+R) and in which direction (i.e. if an increasing CVT shortens or stretches the time parameter in question).

Socket CVT can be normalled to an internal fixed voltage (i.e. the switching contact is connected to an internal fixed voltage). That way it's possible to change all time parameters simultaneously by means of the CVT control.

Another jumper is used to set output 2 to normal or inverted envelope.

And another jumper is used for the normalling of Gate 2 to Gate 1 (i.e. ADSR#2 is also triggered by Gate 1).

Two more jumpers are used for the optional bus access to the gate signal of the bus for each ADSR.
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MRP:$163.03 SAVE 12%
 1 in stock $143.28
Doepfer A-190-8 USB/MIDI-To-Sync Interface Module (silver)
Cat: 755412 Rel: 13 Nov 19
 
MIDI/USB/CV/Gate interface module - 6HP
Notes: USB/MIDI to clock interface that allows for synchronizing clock-driven modules with the MIDI environment. It processes only the Clock, Start, Stop and Continue MIDI commands. It has several clock divider outputs, each one start, stop and reset outputs for controlling sequencers and also an interesting wait function. Input is either a 5-pin DIN socket or USB.
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 1 in stock $123.05
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Doepfer A-147-4 Dual VCLFO Dual Voltage Controlled Low Frequency Oscillator Module (silver)
Cat: 945415 Rel: 13 Jun 23
 
A dual voltage controlled LFO (Low Frequency Oscillator) module in 8HP.
Notes: Module A-147-4 is a dual voltage controlled LFO (Low Frequency Oscillator). Each LFO has the five waveforms triangle, sine, rising and falling sawtooth, as well as rectangle available. The rectangle output features manually adjustable pulsewidth and pulsewidth modulation by means of an external control voltage. The core waveform is triangle. The other waveforms are derived from triangle by means of waveform converters. The frequency of each LFO can be adjusted manually and modulated by means of an external control voltage with associated attenuator and polarity switch. By means of a jumper the basic frequency range of each LFO can selected: about 0.02 Hz (~ 50 seconds) ... 2.5kHz or about 0.0017 Hz(~ 600 seconds) ... 220Hz. That way each LFO can be used also as a VCO with a max. frequency of about 2.5kHz. Each LFO features a reset input which can be used to reset the triangle signal.

The module has these controls and in/outputs available:

Control F : manual control of the frequency, for each LFO the frequency range can be selected by means of a jumper from two values (see technical notes)

frequency coverage of control F in the high frequency range: about 0.075 Hz (~ 13 seconds) ... 1,4kHz

frequency coverage of control F in the low frequency range: about 0.007 Hz (~ 140 seconds) ... 125Hz

Control CV: attenuator for the signal applied to the CV socket, by means of a jumper a small positive voltage can be applied to the switching contact of the /CV/ socket, as long as no patch cable is connected to /CV/ socket the CV control then works as fine control for the frequency

Switch CV Pol.: polarity switch for the signal applied to the socket /CV/

Control PW/PM: combined control for manual and CV control of the rectangle pulsewidth:

when no patch cable is connected to socket /P/ the control is used to adjust the pulsewidth (PW) manually

when a patch cable is connected to socket /P/ the control works as attenuator for the external CV signal with a basic pulsewidth of 50:50.

Socket /CV/: frequency control voltage input, in the factory the module is adjusted so that the sensitivity of this input is exactly 1V/octave when the CV control is fully CW.

Socket /R/: reset input, according to the associated jumper the reset input is edge triggered or level controlled (see technical notes for details)

Socket /P/: pulsewidth control voltage input

Sockets with waveform symbol: output of the waveform in question (triangle, sine, rising and falling sawtooth, rectangle)

The output voltage ranges are about -5V ... +5V (10Vpp), except the rectangle output

For the rectangle output one can choose by means of a jumper if the range is about -5V ... +5V or 0...+10V.

LED: visual control of the LFO (triangle)

The inputs of the module are labelled with white characters on black background (in the text included into two slashes). The outputs are labelled with black characters.
Technical notes and special features:

The basic frequency range of each LFO can be selected by means of a jumper. The settings correspond to two different capacitor values for the VCO circuit. The relation between the two ranges is about 1:11. When the upper range is selected frequencies from about 0.02 Hz up to 2.5kHz can be generated. For the lower range the values are about 0.0017 Hz ... 220Hz. To obtain these full frequency ranges external control voltages are required. With the frequency control F only the frequencies mentioned above are possible.

Apart from that the range for the manual control F can be reduced to obtain a finer resolutuion. For this a jumper has to be removed. The range of control F is then reduced to about 1:4.5 only.

In the factory the starting voltage of the triangle output after a reset is adjusted to 0V, i.e. the triangle starts from 0V with the rising slope after a reset. By means of a trimming potentiometer the starting voltage can be adjusted to another value (e.g. to -5V).

Another jumper is used to set the reset behaviour to edge triggered or level controlled. When set to edge triggered the rising edge of reset signal is used for the reset (independent of the duration of the "high" state of the reset signal). When set to level controlled the triangle output remains at the starting voltage as long as the reset signal is "high". Only when the reset signal turns "low" the triangle starts.

Dimensions
8 HP
45 mm deep

Current Draw
80 mA +12V
70 mA -12V
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Tags: LFO module
 1 in stock $163.03
Doepfer A-151v Quad Sequential Switch Vintage Edition Module (black)
Cat: 684462 Rel: 22 May 18
 
Electronic switch with up to four steps - 4HP
Notes: Module A-151 (Quad Sequential Switch) is like an electronic four-position rotary switch.

It includes trigger and reset inputs, four in/outputs, and a common out/input. Each time a pulse is received at the trigger input socket, the common out/input is connected to the next in/output. After the fourth in/output, the next trigger makes it step back to the first again, and so on. A positive pulse at the reset input switches the out/input immediately back to the first in/output. Voltages in the range -8V...+8V at the O/I resp. I/O sockets can be processed by the module.

Four LED's indicate the active in/output (ie. the one that is connected to the out/input at any particular time).
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 1 in stock $63.10
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Doepfer A-140-2 Dual Micro ADSR Module (silver)
Doepfer A-140-2 Dual Micro ADSR Module (silver) (dual/stereo/envelope generator synth module)
Cat: 684450 Rel: 18 Jul 18
 
Dual ADSR envelope generator - 8HP
Notes: Module A-140-2 contains two ADSR type envelope generators behind a front panel with 8 HP only.

Each ADSR provides these controls and in/outputs:

- LED (displays the envelope output)
- A: manual Attack control
- D: manual Decay control
- S: manual Sustain control
- R: manual Release control
- Gate Input
- Retrigger Input
- CVT Input with attenuator (CVT = CV Time)
- Envelope Output 1
- Envelope Output 2

The output voltage range for each envelope is 0 - 10V. The time range of Attack/Decay/Release is about 1ms to 30s.

By means of internal jumpers one can select which time parameters are controlled by the CVT input (e.g. D only or D+R or A+D+R) and in which direction (i.e. if an increasing CVT shortens or stretches the time parameter in question).

Socket CVT can be normalled to an internal fixed voltage (i.e. the switching contact is connected to an internal fixed voltage). That way it's possible to change all time parameters simultaneously by means of the CVT control.

Another jumper is used to set output 2 to normal or inverted envelope.

And another jumper is used for the normalling of Gate 2 to Gate 1 (i.e. ADSR#2 is also triggered by Gate 1).

Two more jumpers are used for the optional bus access to the gate signal of the bus for each ADSR. Changing the positions of the mentioned jumpers allows to modify the factory settings.
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MRP:$156.72 SAVE 10%
 1 in stock $140.94
Doepfer A-138sv Mini Stereo Mixer Vintage Edition Module (black)
Doepfer A-138sv Mini Stereo Mixer Vintage Edition Module (black) (dual/stereo/mixer/panning/quad synth module)
Cat: 684443 Rel: 30 Apr 18
 
Four-channel stereo mixer - 8HP
Notes: A-138s is a simple but useful 4-in-2 mixing tool. It has four inputs available. Each input is equipped with an attenuator (Level) and a panning control that is used to distribute the signal to the left and right output. Beyond stereo mixing it is equally suited to create variable parallel routings. For example: Any of the four inputs may be routed in variable intensity to feed two filters.

You may regard the A-138s as a smaller version of the A-138m Matrix Mixer.

Inputs and outputs are DC coupled, i.e. the module can be used for the mixing of control signals too.

- 3U Eurorack module, 8 HP wide, 30 mm in depth
- Power consumption: 10 mA at +12 V and 10 mA at -12 V
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! low stock $86.25
Doepfer A-111-6v Miniature Synthesiser Voice Vintage Edition Module (black)
Cat: 749811 Rel: 15 Nov 19
 
Complete miniature monophonic synthesiser module - 10HP
Notes: VCO:

- Tune: manual tune control (with an internal jumper the range can be set to ~ +/-1 half an octave or ~ +/-2.5 octaves)
- Oct: range switch -1 / 0 / +1 octave
- Mod: modulation depth (attenuator wired to the Mod. socket)
- Dest: switch that is used to address the modulation to frequency modulation (position FM) or pulsewidth modulation (positon PM), in centre positon no modulation
- PW: manual pulsewidth control for rectangle waveform, PW can be also modulated by the Mod. input as mentioned above
- Wave: waveform switch (sawtooth / off / triangle), the sum of the waveform chosen by this switch and the rectangle is fed into the VCF (to turn the rectangle off the PW control has to be set fully CCW or fully CW)
- 1V/Oct. (socket): external CV input for VCO frequency (1V/octave)
- Access to internal bus CV (via jumper, optional, please remove the bus jumper if this feature is not used to avoid unwanted frequency modulation as then the unused CV line of the bus works as a kind of antenna)
- Triangle core VCO, frequency range about 32Hz ... 8kHz

Balance unit:

- The balance unit is made of two VCAs which are controlled by the sum of manual Balance control and the balance CV input in the opposite direction.
- The audio input of VCA1 is hard-wired to the VCO output, audio input 2 is connected to the socket Ext.In.
- The output of the balance unit is used as audio input for the VCF
- Bal.: manual balance control, fully CCW the internal VCO is used, fully CW the external signal (Ext.In) is used, at centre position both signals have about the same level
- CV Bal.: CV input for balance (range about 0...+5V)
- Ext. In: external audio input for VCA2, about 5 Vpp level required for similar loudness as the internal VCO
- This socket is normalled to the internal VCO suboctave f/2 signal (rectangle with half the frequency), if no external signal is applied the suboctave signal is used as the second signal for the balance unit

VCF:

- 24 dB low pass
- Frq: manual frequency control
- FM1: frequency modulation depth (attenuator wired to the VCF FM1 socket, the socket is normalled to the internal Envelope signal and then FM1 controls the modulation depth of the internal envelope applied to the filter)
- FM2 (socket) : second CV input for VCF without attenuator (about 1V/octave), can be used e.g. for VCF tracking by connecting the same CV which is used also for the VCO frequency
- Res: manual resonance control (up to self oscillation)
- If the VCO is turned off (waveform switch = centre position, pulsewidth control = fully CCW or CW) and the VCF resonance is set to maximum the module can be used as a sine oscillator, the tracking at socket VCF FM2 is about 1V/octave (not as precise as the VCO but much better than most other filters)
- ~ 11 octaves frequency range (~ 10 Hz ... 20kHz)

VCA:

- Gain: manual amplitude control (initial gain), can be used to open the VCA without envelope signal
- VCA (switch): used to switch between gate and envelope as control signal for the VCA, in centre position the VCA is not controlled by envelope or gate
- Note: when gate is used the VCA is controlled directly by the gate signal (i.e. hard on/off), this may lead to clicking noise under certain conditions (especially with low VCO/VCF frequencies)
- Special control scale: exponential scale in the range from about -20dB to -80/90dB, linear scale from about -20dB to 0dB
- Remark: this special control scale results in a loudness behaviour that is a bit different from pure linear or exponential VCAs
- Out: audio output of the module (= VCA output)

Envelope:

- Gate (socket): Gate input (min. +5V), can be normalled to the bus gate signal by means of a jumper
- Att: manual control for Attack
- D/R: manual control for Decay/Release
- Env. (switch): used to switch between A/D, ADSR and A/R mode of the envelope generator, in centre position (ADSR) the sustain level is fixed to about 50%
- Envelope (socket): envelope output (about +10V)
- CVT (socket): CV input for time control, by means of two internal jumpers one can select which time parameters are controlled by the CVT input (e.g. A only or D/R only or A/D/R) and in which direction (i.e. if an increasing CVT shortens or stretches the time parameter in question)
- Envelope LED display
- Attack time range: ~ 1ms ... 5 sec (can be extended by using the CVT input)
- Decay/Release time range: ~ 1ms ... 15 sec (can be extended by using the CVT input)
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 2 in stock $186.16
Doepfer A-180-9 Multicore Signal Connector Module (silver)
Cat: 671561 Rel: 18 Dec 17
 
Pair of multicore signal connectors
Notes: A-180-9 is another simple but useful tool. It can be used to connect up to 14 signals between different cases by means of standard network cables (RJ45). These cables are available all over world smoothly in different lengths and colours. From the factory two black network cables with 0.5 m length are enclosed.

The upper network connector is wired to the eight sockets 1-8, the lower to the six sockets A-F. That way it's possible to pre-patch different cases and connect signals, that are required in all cases (e.g. clock, start/stop, master CV) by means of one or two cables only instead of 14 individual patch cables. When only eight signals are required only the upper network connector is required and the sockets 1-8 are used. When more than eight signals have to be patched both network connectors have to be used. It's also possible to wire the upper and lower network to different cases (i.e. signals 1-8 to external case #1 and signals A-F to external case#2).

The module is fully passive (no power supply required) and simply wires the 14 sockets to 14 pins of the network connectors.

The A-180-9 comes in pairs for combining two modular systems.
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 1 in stock $119.90
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Doepfer A-125 VCP Voltage Controlled Phase Shifter Module
Cat: 707078 Rel: 23 Oct 18
 
Classic voltage controlled phase shifter - 8HP
Notes: Module A-125 (VC Phaser) is a voltage controlled phase shifter. Phase shifting can be controlled either manually or by voltage control. Other parameters which can be controlled are resonance (governing the depth of the comb filtering, and tonal colour) and mix (the amount of the original signal which is added to the phase-shifted signal). The A-125 is used to generate the typical phaser sound ("jet sound"). Due to the voltage control feature not only the usual LFO-controlled phasings but even ADSR-, random-, sequencer- or S&H-controlled phasings are possible. In combination with the Shepard generator A-191 and several A-125 never ending barberpole phasing effects come true.
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 1 in stock $79.48
Doepfer A-130-4 Quad VCA Module
Cat: 973752 Rel: 14 Nov 23
 
Quad VCA module - 4HP.
Notes: Module A-130-4 contains four linear VCAs with a common level control section for all four VCAs. It can be used for all applications of simultaneous amplitude/level control of up to four different audio or CV signals. A-130-4 is the replacement of the no longer available module A-132-2. Compared to the A-132-2 the width has been reduced from 8HP to 4HP.

The module has these controls and in/outputs available:

Control Man.: manual control of the amplification
Control CV: attenuator for the control voltage applied to socket CVo socket Input 1
Sockets In 1...4: VCA inputs 1...4
Sockets Out 1...4: VCA outputs 1...4

Application examples:

simultaneous amplitude/level control of up to four different audio or CV signals
polyphonic application 1: simultaneous control of the frequency modulation depth of 4 VCOs (Quad-LFO A-145-4 or Quad-VCLFO A-147-5 > A-130-4 > FM inputs A-111-4)
polyphonic application 2: simultaneous control of the pulsewidth modulation depth of 4 VCOs (Quad-LFO A-145-4 or Quad-VCLFO A-147-5 > A-130-4 > PWM inputs A-111-4)
simultaneous control of quadrophonic signals

Technical notes:

The maximum amplification for each VCA is about 1 ("Man." control fully CW). Even with an external control voltage applied to the CV input the maximum amplification is limited to 1.
The module is equipped with two internal connectors (pin headers with 4 pins each). Pin header #1 can be used to normalize the four inputs to other modules (e.g. Quad LFO A-145-4 or A-147-5, Quad ADSR A-143-2). Pin header #2 can be used to connect the four outputs to other modules.
The max. level at the VCA inputs without clipping/distortion is about 20Vpp or +/-10V.

Dimensions
4 HP
45 mm deep
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Tags: VCA module
 2 in stock $80.98
Doepfer A-147-5 Quad VCLFO Module (silver)
Cat: 973756 Rel: 14 Nov 23
 
Quad VCLFO module - 4HP.
Notes: Module A-147-5 contains four voltage controlled low frequency oscillators (VCLFO) with triangle waveform outputs. All LFOs share a common frequency control. Each of the LFOs 2, 3 features a Delta control which is used to shift the frequency of the LFO in question up or down. With the Delta controls at center positions the frequencies of all LFOs are roughly the same. To control the frequencies by external control voltages four CV inputs are available which follow roughly the 1V/oct standard.

The module has these controls and in/outputs available:

Control F: manual control of the frequency for all four LFOs
Control Delta F2, F3 and F4: manual control of the frequency shift up/down for the LFO in question
Sockets CV 1...4: Frequency control voltage inputs (normalled from top to bottom)
Sockets with triangle symbol 1...4: triangle outputs
LEDs: visual displays of the triangle outputs (red = positive, yellow = negative output voltage)

Application examples:

Generation of four triangle modulation signals with a common frequency control for all LFOs and individual controls for the frequency deviation of each LFO, manually adjustable and controllable by external control voltages
Generation of modulation signals for polyphonic FM/PWM applications. For this the four CV inputs are connected to the same control voltages which are used to control the frequencies of the corresponding VCOs. That way each LFO follows the frequency of the associated VCO with the possibility to control the frequency of all VCOs (control F) and the frequency deviations (Delta F controls). For the simultaneous modulation depth control the Quad VCA module A-130-4 is recommended.
Generation of complex modulation signals by summing up the outputs (e.g. by means of a mixer module A-138n / A-138i / A-138j)

Technical notes:

The level of the triangle outputs is about +/-5V (10Vpp)
The manually adjustable frequency ranges from about 0.025 Hz (about 40 seconds) to about 50 Hz with the delta controls of LFOs 2, 3 and 4 about center position
The frequency deviations adjusted by the delta controls are about +/-1:5. Example: with 1 Hz in center position the frequency shift ranges from about 0.2 Hz in position -5 to about 5 Hz in position +5 (1 Hz/5 = 0.2 Hz, 1 Hz*5 = 5 Hz).
The manual frequency controls and the control voltage inputs have an exponential control behavior
With external control voltage the max. frequency is about 150 Hz, the minimum frequency
The scale of the CV inputs is roughly 1V/oct (not adjustable)
The CV inputs are normalled from top to bottom. Provided that only socket CV1 is patched CV1 controls the frequencies of all four LFOs.
When each CV input is patched to it's own control voltage each LFO is controlled individually by it's own CV. In this case CV1 controls only the frequency of LFO1.
Internally the rectangle outputs are available at four terminals (typ level +/-10V or 20Vpp). If required they can be wired to four sockets of a DIY breakout module made by the user, 1k protection resistors are recommended to avoid short circuits. If lower levels are required passive attenuators (voltage dividers) may be used.
Internally is even an (unbufferd) triangle sum signal available. For this each of the four triangle outputs is simply connected to the sum output terminal via a 47k resistor. This output has high impedance and should be buffered or amplified to avoid level drop when the load changes (e.g. by means of an A-180-3 or A-180-4 or A-183-3).
By changing the values of the capacitors in the LFO circuits even other frequency ranges are possible (e.g. Quad VCO to form kind of a cloud VCO). Pay attention that the accuracy of the CV input scales is not sufficient for precise 1V/oct VCO applications. The 1V/Oct scales cannot be adjusted and the circuits are not temperature compensated.

Dimensions
4 HP
45 mm deep
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Tags: LFO module
 1 in stock $99.92
Doepfer A-147-5v Quad VCLFO Vintage Edition Module (black)
Cat: 973760 Rel: 14 Nov 23
 
Quad VCLFO module - 4HP.
Notes: Module A-147-5v contains four voltage controlled low frequency oscillators (VCLFO) with triangle waveform outputs. All LFOs share a common frequency control. Each of the LFOs 2, 3 features a Delta control which is used to shift the frequency of the LFO in question up or down. With the Delta controls at center positions the frequencies of all LFOs are roughly the same. To control the frequencies by external control voltages four CV inputs are available which follow roughly the 1V/oct standard.

The module has these controls and in/outputs available:

Control F: manual control of the frequency for all four LFOs
Control Delta F2, F3 and F4: manual control of the frequency shift up/down for the LFO in question
Sockets CV 1...4: Frequency control voltage inputs (normalled from top to bottom)
Sockets with triangle symbol 1...4: triangle outputs
LEDs: visual displays of the triangle outputs (red = positive, yellow = negative output voltage)

Application examples:

Generation of four triangle modulation signals with a common frequency control for all LFOs and individual controls for the frequency deviation of each LFO, manually adjustable and controllable by external control voltages
Generation of modulation signals for polyphonic FM/PWM applications. For this the four CV inputs are connected to the same control voltages which are used to control the frequencies of the corresponding VCOs. That way each LFO follows the frequency of the associated VCO with the possibility to control the frequency of all VCOs (control F) and the frequency deviations (Delta F controls). For the simultaneous modulation depth control the Quad VCA module A-130-4 is recommended.
Generation of complex modulation signals by summing up the outputs (e.g. by means of a mixer module A-138n / A-138i / A-138j)

Technical notes:

The level of the triangle outputs is about +/-5V (10Vpp)
The manually adjustable frequency ranges from about 0.025 Hz (about 40 seconds) to about 50 Hz with the delta controls of LFOs 2, 3 and 4 about center position
The frequency deviations adjusted by the delta controls are about +/-1:5. Example: with 1 Hz in center position the frequency shift ranges from about 0.2 Hz in position -5 to about 5 Hz in position +5 (1 Hz/5 = 0.2 Hz, 1 Hz*5 = 5 Hz).
The manual frequency controls and the control voltage inputs have an exponential control behavior
With external control voltage the max. frequency is about 150 Hz, the minimum frequency
The scale of the CV inputs is roughly 1V/oct (not adjustable)
The CV inputs are normalled from top to bottom. Provided that only socket CV1 is patched CV1 controls the frequencies of all four LFOs.
When each CV input is patched to it's own control voltage each LFO is controlled individually by it's own CV. In this case CV1 controls only the frequency of LFO1.
Internally the rectangle outputs are available at four terminals (typ level +/-10V or 20Vpp). If required they can be wired to four sockets of a DIY breakout module made by the user, 1k protection resistors are recommended to avoid short circuits. If lower levels are required passive attenuators (voltage dividers) may be used.
Internally is even an (unbufferd) triangle sum signal available. For this each of the four triangle outputs is simply connected to the sum output terminal via a 47k resistor. This output has high impedance and should be buffered or amplified to avoid level drop when the load changes (e.g. by means of an A-180-3 or A-180-4 or A-183-3).

By changing the values of the capacitors in the LFO circuits even other frequency ranges are possible (e.g. Quad VCO to form kind of a cloud VCO). Pay attention that the accuracy of the CV input scales is not sufficient for precise 1V/oct VCO applications. The 1V/Oct scales cannot be adjusted and the circuits are not temperature compensated.

Dimensions
4 HP
45 mm deep
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Tags: LFO module
 1 in stock $113.59
Doepfer A-138s Mini Stereo Mixer Module (silver)
Doepfer A-138s Mini Stereo Mixer Module (silver) (mixer/panning/dual/stereo/quad synth module)
Cat: 671589 Rel: 29 Nov 17
 
Four-channel stereo mixer - 8HP
Notes: A-138s is a simple but useful 4-in-2 mixing tool. It has four inputs available. Each input is equipped with an attenuator (Level) and a panning control that is used to distribute the signal to the left and right output. Beyond stereo mixing it is equally suited to create variable parallel routings. For example: Any of the four inputs may be routed in variable intensity to feed two filters.

You may regard the A-138s as a smaller version of the A-138m Matrix Mixer.

Inputs and outputs are DC coupled, i.e. the module can be used for the mixing of control signals too.

- 3U Eurorack module, 8 HP wide, 30 mm in depth
- Power consumption: 10 mA at +12 V and 10 mA at -12 V
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 1 in stock $78.87
Doepfer A-147-2 Voltage Controlled Delayed Low Frequency Oscillator Module (silver)
Doepfer A-147-2 Voltage Controlled Delayed Low Frequency Oscillator Module (silver) (envelope generator/LFO/VCA/CV modulation synth module)
Cat: 671585 Rel: 29 Nov 17
 
Module consisting of voltage-controlled low frequency oscillator (LFO) & voltage controlled amplifier (VCA) - 8HP
Notes: Module A-147-2 is the successor of the VCLFO A-147 but offers much more features than the predecessor. The module is made of these sub-units:

- VCLFO: voltage controlled low frequency oscillator
- VCA: voltage controlled amplifier, switchable to voltage controlled polarizer
- VC delay unit: voltage controlled linear attack envelope (only one parameter: attack) for delayed LFO operation in combination with the VCA (e.g. delayed vibrato/tremolo)

LFO: The voltage controlled LFO has the waveforms Triangle, Sine, Sawtooth and Rectangle available and features a Reset/Sync input. Triangle/Sine and Rectangle are displayed by means of dual-colour LEDs (probably red/green), Sawtooth has a unicolor LED available (probably blue). The output levels are about -4V...+4V for Triangle, Sine and Rectangle. The Sawtooth level is about 0...+8V.

The CV control can be switched to attenuator or polarizer ("CV Mode" switch). In polarizer mode the CV inputs affects the frequency in the reverse manner when the CV control is left from the centre position. In the centre position CV has no effect and right from the centre the control works like a normal attenuator. The frequency range (without external CV) is from about 0,005 Hz (i.e. about 3 minutes per period) to 200 Hz (with external CV max. frequency about 1kHz). In addition a ultra-low mode can be activated by means of an internal jumper. When the ultra-low jumper is set a fixed voltage is connected to the switching contact of the "LFO CV" socket. In polarizer mode of the CV control that way extremely low frequencies (up to one hour period and more) are possible. For this a jumper has to be installed on the pin header JP6. In the factory a dummy jumper is installed on the pin header JP7 "Dummy". JP7 has no function and is used only for "parking" of the jumper. Simply remove the jumper from JP7 and plug it on JP6. JP6 is located behind the CV control.

VCA: This is a linear VCA that can be switched to "normal" VCA (i.e. kind of a voltage controlled attenuator) or voltage controlled polarizer ("VCA Mode" switch). In the "normal" VCA mode amplification +1 is achieved with about +5V control voltage. In polarizer mode the amplification ranges from about -0.5 (i.e. inverted signal with about 50% level) with 0V CV to +0.5 (i.e. non-inverted signal with about 50% level) with +5V CV. With about +2.5V CV the signal is suppressed. Details about the functioning of a voltage controlled polarizer can be found in the description of the module A-133. In this mode the VCA can be treated also a DC coupled ring modulator (similar to A-114).

The VCA of the A-147-2 has three sockets available: "In" (signal input), "Out" (signal output) and "CV" (control voltage input).

The Triangle Output of the LFO is normalled to the VCA signal input by means of the switching contact of the "VCA In" socket. If another LFO waveform (or any other signal) should be processed by the VCA the corresponding signal has to be patched to the "VCA In" socket. The VCA can be used also independently from the LFO and the Delay CV. In this case the VCA sockets In, Out and CV have to be patched accordingly. The VCA can be used also as waveshaper for the LFO signals (e.g. by patching VCA In and VCA CV to different LFO signals, if necessary via attenuator A-183-1 or offset generator/attenuator A-183-2).

Attack/Delay: The third sub-unit of the module is a simple, voltage controlled envelope generator that has only the parameter "Delay" (or Attack) available. This unit generates a linear increasing voltage that starts from 0V after each Delay Reset until it reaches about +5V. Then the voltage remains at +5V until the next Delay Reset occurs. The inclination or gradient is controlled by the manual Delay control and the Delay control voltage ("Delay CV" input). The waveform is linear, the control scale is exponential. The output voltage is displayed by a green LED and available at the "Delay Out" socket.

The manual Delay control ranges - without external "Delay CV" - from about 5ms (fully CW) up to 2 minutes (fully CCW). By means of an external voltage applied to the "Delay CV" socket this range can be extended. A rising CV shortens the delay time (behaviour like a VCO)!

The Delay output voltage ranges from about 0V to +5V. The rising edge of the gate, clock or trigger signal applied to the "Delay Reset" sockets resets the Delay output voltage to 0 V.

"Delay Out" is normalled to the VCA CV input by means of the switching contact of the "VCA CV" socket and consequently controls the Triangle level provided that no other patch is made. A typical example is the usage of a Gate signal (e.g. from a USB/Midi-to-CV/Gate interface) as Delay Reset. That way a delayed vibrato or tremolo can be realized if the VCA output is patched to the frequency CV input of a VCO (or VCF), or the CV input of a VCA.
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 1 in stock $117.80
Doepfer A-106-5 SEM 12dB SEM Type VCF Special Edition Module (cream)
Cat: 671592 Rel: 29 Nov 17
 
12dB multi-mode filter based on classic SEM filter circuitry
Notes: Module A-106-5 is a 12dB multimode filter that is based on the filter circuit of the Oberheim SEM module. The filter is equipped with a band pass output and a combined low/notch/high pass output. For this output a control knob defines the relation between low and high pass signal. If both signals appear at the same level (i.e. middle position of the Mix knob) one obtains a notch filter. Otherwise the low or high pass signal predominates. The module does not feature self oscillation in contrast to most of the other filters of the A-100 system. The module generates a distorted audio signal if the level control is set to about 50% (i.e. centre position) or more with A-100 standard signals like VCOs.

Inputs: Audio In, CV1 In without attenuator, CV2 In with Polarizer
Outputs: Bandpass Out, Low/Highpass Mix-Out
Controls: Audio Attenuator, CV2 Polarizer, Frequency, Resonance, LP/HP Mix

The function and operation of this module is very similar to the Wasp filter module A-124. But the sound of both filters is very different! We will publish no separate user's manual for the A-106-5 but a combined manual for both A-106-5 and A-124. The only functional difference is the position of the sockets and controls, and the function of the controls CV2 (A-124: normal attenuator, A-106-5: polarizer)

Width: 8HP / 40.3mm
Depth: 55mm (Measured from the rear side of the front panel)
Current: +12V: +30mA, -12V: -20mA
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 1 in stock $90.45
Doepfer A-126-2exp Voltage Controlled Frequency Shifter II - Expansion Module (silver)
Cat: 852803 Rel: 04 Feb 22
 
An expander for the A-126-2 Voltage Controlled Frequency Shifter.
Notes: The Doepfer A-126-2exp is an expander for the A-126-2 Voltage Controlled Frequency Shifter.

It adds two outputs from the Dome filter (+45 and -45 degrees) as well as separate outputs from the ring modulators 1 and 2, and from the internal envelope generator. Furthermore, it offers dedicated outputs for Up and Down Shift, allowing the module to be patched in stereo.

*Note: The expander can only be used in conjunction with the module A-126-2.

HP : 2
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 1 in stock $54.69
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Doepfer A-105-4 Quad Poly SSM VCF Polyphonic Filter Module
Cat: 676691 Rel: 21 Sep 18
 
Polyphonic filter with four identical 24dB Lowpass filters 8HP
Notes: A-105-4 is our first polyphonic filter and contains four
identical 24dB Lowpass filters (SSM2044 type). It has
available common manual controls and CV inputs with
attenuators for these parameters:

Frequency (F)

Frequency Modulation Intensity (FM)

Resonance (Q)

Audio Input Level (L)
Each filter has available a separate FM input as well as an Audio Input and Output. The FM input is typically connected to the output of the associated envelope generator (e.g. A-141-4).
The envelope amount for all four filters is controlled by the FM knob and the CVFM input by means of four built-in VCAs, which are controlled by the FM control and CVFM input. This allows also voltage control of the envelope amounts.

In addition common frequency modulation for all filters is possible (e.g. by an LFO). For this the CVF input with attenuator can be used. The range of the audio input level control (L) allows also clipping/distortion with typical A-100 audio levels
(e.g. from A-111-4) at the filter inputs. Even this parameter is voltage controllable as well as the resonance (Q).
Application: polyphonic patches (four VCFs with same parameters).
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MRP:$220.89 SAVE 13%
 2 in stock $191.43
Doepfer A-118-2 Noise/Random/Sample & Hold Slim Line Module (silver)
Cat: 731938 Rel: 10 Jun 19
 
Noise, random, sample & hold module - 4HP
Notes: Module A-118-2 is the slim version of module A-118-1 and offers essentially the same features as the A-118-1. But the distances between the controls are smaller and rubberized small-sized knobs are used. In return the front panel has 4 HP only which is half the width of the A-118-1. The module is primarily planned for applications where only limited space is available. The functional difference between A-118-1 and A-118-2 is the additional T&H/S&H unit which is not included in the A-118-1.

The module generates the signals white noise, colored noise, continuous random voltage and stepped random voltage (derived from the continuous random voltage by means of a S&H/T&H unit).

The noise signal is generated 100% analog by amplification of the noise of a transistor. White and colored noise are usually used as audio sources. The random voltages are normally used as control voltages (e.g. for filter frequency or any other voltage controlled parameter).
The A-118-2 gives you the ability to mix the relative amounts of Red (low frequency component) and Blue noise (high frequency component) in the colored noise output.

For the continuous random voltage the rate of change (Rate) and amplitude (Level) of the random voltage can be adjusted. The continuous random voltage is derived from the colored noise signal by low pass filtering. Consequently the settings of the controls for the colored noise (Blue, Red) affect the behavior of the random voltage! A dual color LED (red = positive / yellow = negative output voltage) indicates the continuous random voltage.

The continuous random voltage is used as source for the S&H/T&H unit. The type of operation can be set to S&H (sample and hold) or T&H (track and hold). When T&H is chosen the output signal follows the input signal (= continuous random voltage) as long as the Clock input is "high". As soon as the clock signal changes to "low" the last voltage is stored. When S&H is chosen the input signal (= continuous random voltage) is sampled at the rising edge of the Clock signal.

For the Clock signal a "digital" signal (e.g. Clock, Gate, rectangle output of an LFO) is required. It does not work with slowly changing continuous CV signals. Another dual color LED (red = positive / yellow = negative output voltage) indicates the stepped random voltage.

Controls:

Blue: share of the high frequencies in the the colored noise output
Red: share of the low frequencies in the the colored noise output
Rate: rate of change of the continuous random voltage
Level: amplitude of the continuous random voltage
TH/SH: switches between T&H and S&H

Inputs and outputs:

RND: continuous random voltage output (with LED display)
TH/SH: stepped random voltage output (with LED display)
Clk: Clock input of the S&H/T&H unit
C Noise: colored noise output
W Noise: white noise output

Important notes:

After power on it takes a few minutes until the two noise signals and the random signals are generated. The module is not faulty when after power on the signals do not appear immediately!

The S&H/T&H function is realized by pure analog circuitry (electronic switch followed by a holding capacitor and buffer). Consequently the output voltage drifts a bit in the holding state because the capacitor is discharged by parasitic resistors. The drift depends also upon environmental conditions like humidity or temperature.

Dimensions
4 HP
40 mm deep

Current Draw
20 mA +12V
20 mA -12V
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quote 731938
Doepfer A-130-2 Dual Linear/Exponential VCA Slim Line Series Module
Cat: 731940 Rel: 11 Jun 19
 
Compact two-channel VCA - 4HP
Notes: Module A-130-2 is the slim version of module A-132-3 and offers essentially the same features. But the distances between the controls are smaller and rubberized small-sized knobs are used. In return the front panel has 4 HP only which is half the width of the A-132-3. The module is primarily planned for applications where only limited space is available.

The module is composed of two identical voltage controlled amplifiers (VCA). Each VCA has a manual gain control (also named Initial Gain) and a control voltage input with attenuator. The character of the control scale can be switched to linear or exponential. All inputs and outputs are DC coupled. Consequently the VCAs can be used to process both audio and control voltages (e.g. for voltage control of the level of LFO or envelope signals). The signal input has no attenuator available but is capable to process up to 16Vpp signals (i.e. -8V...+8V) without distortion. For the processing of higher levels an external attenuator (e.g. A-183-1) is recommended.

The amplification range is 0...1. Even with a higher external control voltage the amplification remains at 1 (kind of "amplification clipping" at 1).

Controls (for each of both units):

- Gain: manual gain control (Initial Gain) in the range 0...1
- CV: attenuator for the CV input
- Lin/Exp: switches the VCA characteristic to linear or exponential, in center position the VCA is off (mute function)

Inputs and outputs (for each of both units):

- CV: control voltage input, min. +5V required for max. amplification (1) with CV control fully CW and Gain fully CCW
- In: signal input, max. 16Vpp (+8V...-8V) without distortion
- Out: signal output
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MRP:$89.41 SAVE 15%
 1 in stock $75.72
Dnipro Krait 3-Channel Knob Recorder/LFO/Random Generator Module
Dnipro Krait 3-Channel Knob Recorder/LFO/Random Generator Module (controller/CV modulation/LFO/random/sequencer synth module)
Cat: 846610 Rel: 01 Nov 21
 
A 3-channel knob recorder, LFO & random generator.
Notes: Dnipro serve up a solid option for generating modulation signals: knob recording, LFOs or loopable random modulation, all syncable to a clock signal. Nice touches include tap tempo and slew.

Supplier's Notes:
Krait is flexible 3-channel modulation source for eurorack system. Each channel can be either a Knob Recorder, LFO or loopable Random Generator.
The module is designed to be in solid sync with your beats, so in order to work, Krait should receive steady external clock pulse. However, LFO will work without clock. All settings and waveforms will be autosaved and reloaded after power off.

Knob Recorder:

Can record pot turns, up to 8 bars loops possible.

LFO:

Tap tempo LFO with morphable waveforms and phase offset. Sync it to your beats.

Random Generator:

Syncable random with portamento and possibility to freeze and loop 16 steps.

Technical details:

6 HP

70 mA +12V

12mA -12V

0 mA 5V

42 mm deep

Voltage ranges: +5-5v, 0v+5v
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quote 846610
Dnipro Metamorph CV Modulation & Sequencer Module
Dnipro Metamorph CV Modulation & Sequencer Module (controller/CV modulation/sequencer synth module)
Cat: 834880 Rel: 12 Jul 22
 
Versatile 4 stage x 3 channel cv source with built in sequencer and glide
Notes: Serge-inspired programmer/sequencer gives you three channels of four-stage CV generation. Great alternative to the classic Make Noise Pressure Points/Brains combo.

Supplier's Notes:
Metamorph is a versatile 4 stage x 3 channel cv source with built in sequencer and glide. Inspired by a Serge Tcherepnin concept, Metamorph is designed to control several parameters at once and creates a complex CV source for eurorack system. Each channel is represented by a column of pots, while each column is divided into 4 individual stages by rows, with corresponding button and gate out. It is possible to change stages manually by pressing stage buttons or to sequence them by external sources, like clock, LFO, envelopes etc. Metamorph has a special user sequence feature, which allow to program play order and duration of the stages, create unique sequence with individual timing per stage and memorize it.

Operating Metamorph is quick and immediate in a good analog fashion, with single control per function. Two modules can be linked together to create a 8-step sequencer with dual CV outs per channel. Additionally, every channel has a deep glide control for performing fast or really slow voltage slides between stages. And, of course, there are ordinary sequencer CV inputs, like reset, hold and revers direction.

Technical details:

Size: 20 hp

50 mA +12V

20A -12V

0 mA 5V

28 mm deep

output ranges: 0V to 5V, 0V to 10V, -2.5V to 2.5V, -5V to 5V

Link two Metamorphs to create a 8-step sequencer.

It is possible to chain two modules with an optional link cable. After linking, both modules will create an 8 step sequencer and share their CV outputs.
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quote 834880
DivKid Stereo Strip Channel Strip Module DivKid Stereo Strip Channel Strip Module
DivKid Stereo Strip Channel Strip Module (attenuator/distortion/dual/stereo/equaliser/external/panning/preamp/VCA module)
Cat: 876141 Rel: 12 May 22
 
Stereo voltage controlled amplifier module - 6HP
Notes: Stereo Strip takes the idea of a channel strip and makes it modular. By bringing this long-established component of the audio engineering world into the Eurorack environment and by adding CV control over its key parameters, you will find new, creative ways to use it in your patches!

It features stereo inputs and outputs for audio or CV with EQ, voltage controlled panning, stereo VCA, performable mute and input/output level switching for Eurorack or line level uses. Abusing the input level switching allows for some musical, modulate-able and highly shapeable distortion sounds too.

Stereo Strip was designed to be a creative part of a modular patch. Creating stereo images from mono sources, shaping and modulating existing stereo images, synthesising stereo pseudo ring modulation, sweetening FX with EQ or drastically wave shaping your oscillators, creating send FX routings with benefits or it can simply be used as a channel strip at the end of chain in a patch.

The addition of line level gain boosting (for the input) or reduction (for the output) allow it to work as a stereo input or output interface for external gear with the advantage of the VCA, panning and the EQ to shape the sound. Experiment with bringing external gear into the Eurorack format and then shape and modulate those sounds them on the way in!

Try patching Stereo Strip anywhere you would place a VCA in a system and/or explore its EQ and voltage controlled panning, which are rarer additions to the sound sculpting options for the Eurorack format.

Specs

Current Draw: +12: 63mA -12: 63mA 5v:0
Width: 6HP
Depth: 33mm including power connector
Aluminium, heat-treated front panel.
Designed and assembled in Barcelona.
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quote 876141
DivKid Mutes Performance Focused Multi-Channel Mute Module DivKid Mutes Performance Focused Multi-Channel Mute Module DivKid Mutes Performance Focused Multi-Channel Mute Module DivKid Mutes Performance Focused Multi-Channel Mute Module DivKid Mutes Performance Focused Multi-Channel Mute Module DivKid Mutes Performance Focused Multi-Channel Mute Module
DivKid Mutes Performance Focused Multi-Channel Mute Module (controller/expander/expression/multiple/quad/utility synth module)
Cat: 799084 Rel: 20 Nov 20
 
Controller/expander/expression/multiple/quad/utility synth module
Notes: Mutes goes above and beyond basic muting by allowing you to split groups of signals to multiple destinations, making it great for FX dub performing and varied signal routing.

You also get a three position switch giving you: MOMENTARY signal pass through (it springs back to the centre when released); OFF (or muted) in the centre; and ON to the right. We've also added vactrols to the circuit giving the switching a pleasing decay for both audio and modulation as well a totally click free muting. This module can add mutes to anything, your mixer, module inputs or outputs, modulation signals, sequencers, gate sources and more.

Mutes was developed by Befaco on behalf of DivKid.

50 mA +12V
32 mm deep
O 4.29 (14 Votes) Average Rating
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 1 in stock $114.65
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quote 799084
Der Mann Mit Der Maschine Droid Master Universal CV Processor Module
Der Mann Mit Der Maschine Droid Master Universal CV Processor Module (envelope generator/frequency divider/function generator/LFO/quantiser/random/sequencer/slew limiter module)
Cat: 865052 Rel: 07 Jun 22
 
The DROID is a very flexible generic CV processor.
Notes: Versatile CV processing with eight inputs and eight outputs, programmable via a text file on an SD card. Can work as an envelope generator, melody sequencer, clock divider and much much more.

Supplier's Notes:
The DROID is a very flexible generic CV processor. It has 8 CV inputs and 8 CV outputs, all ranging from -10V to +10V. The DROID can do almost any CV task you can imagine, such as sequencing, melody generation, slew limiting, quantizing, switching, mixing, working on clocks and triggers, creating envelopes and LFO or other fancy voltages, or any combination of these at the same time. While doing this, is very precise both in voltage and in timing.

Now you can attach several different DROID controller modules in order to get direct hands on access to all parameters and values of these patches.

You tell your DROID what to do by means of a simple text file called "DROID patch". That file is be named droid.ini and is located on a micro SD card. No special software is required for writing that file. A simple text editor running on Windows, Linux, Mac or any other device will suffice. DROID patching is not programming, it's just a simple configuration file.

The building blocks of a DROID patch are called circuits. Every type of circuit performs some basic task. Just like a Eurorack module each ciruit has inputs and outputs. You can wire these either directly to the eight inputs and out or even connect them internally. Every parameter can be CV controlled. You can attach up to 16 controllers. Controllers have faders, buttons and potentiometers and allow you to map assign to any parameter or function you like. This gives you direct control over your DROID patch and allows you to create you own instrument.

Here are a few examples of what your DROID can be for you. As long as you do not run out of inputs and outputs you can implement as many of these functions at the same time in one DROID. You also can connect them together internally.

Envelope generator
Melody sequencer
Trigger sequencer
Random / Pseudo random melody or trigger generator
Precision adder
Slew limiter
Clock divider and multiplier
Logic gate
CV looper
Sample and hold
Euclidean rhythms generator
Quantizer
Addressable and clockable CV switch
CV mixing and routing matrix
LFO
Bernoulli gate
Mathematical operator
... and many many more
You can use these circuits either directly - just like normal Eurorack modules - or combine them internally in order to implement more complex functions. Then you can assign pots and buttons of your controllers for switching, tuning and live performing with these. Basically you can transform your Eurorack modular system into your own custom instrument. Or you simply use the DROID as a replacement for several utility modules, because it is very space efficient.

Expanders:

The P2B8 is a controller with two pots and eight buttons - for free assigment. You can attach up to 16 of these to one Master.
The P10 is a controller with two large and 8 small pots.
The G8 is an expander with 8 additional gate inputs / outputs.
The X7 gives full MIDI connectivity via DIN and USB, also remote access to the SD card
Further expanders are under development

Dimensions
8 HP
40 mm deep

Current Draw
154 mA +12V
15 mA -12V
0 mA 5V
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 1 in stock $361.82
Der Mann Mit Der Maschine X7 MIDI & USB Droid Master Expander Module
Cat: 865060 Rel: 07 Jun 22
 
The X7 gives you USB and MIDI connectivity for your master and also four gate outputs with modular levels.
Notes: Welcome to the DROID X7 expander. The X7 gives you USB and MIDI connectivity for your master and also four gate outputs with modular levels.

You can process incoming and generate outgoing MIDI streams, both via classical DIN cables and via USB. Both the in and the out direction support polyphony with eight or even more voices in parallel.

For size reasons the X7 uses 3.5 mm TRS jacks for MIDI instead of the classical DIN jacks. But it comes with two DIN to TRS adapters, so you are free to use either form factor.

As a bonus feature, the X7 provides super fast loading of DROID patches via USB - without any need for putting the SD card in and out anymore.

Here are some examples of what you can do with the X7:

Attach an external keyboard to your modular.
Use an external hardware sequencer for playing melodies and beats in your modular.
Use an external MIDI controller to influence your DROID patch.
Do the same with a MIDI controller app on your tablet or phone (via USB).
Use your modular for playing polyphonic music and beats on your hardware synths or software synth plugins in your DAW, tablet or phone.
Connect two DROIDs (both with X7) and exchange real time CVs and triggers.
Use the four additional gate outputs on the X7 for sending clocks, gates and triggers and free your valuable CV outputs for other things.
Access the SD card in your master just like a USB stick for direct access to it via your PC, Mac, phone or tablet.
Alternatively load new patches to your master via MIDI sysex from your PC - and get your new patch ideas up and running in less than a second.

Dimensions
4 HP
23 mm deep

Current Draw
94 mA +12V
0 mA -12V
0 mA 5V
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 1 in stock $207.20
Der Mann Mit Der Maschine S10 Droid Controller Module With 10 Switches (black)
Cat: 913504 Rel: 07 Dec 22
 
DROID Controller with two rotary switches and eight toggle switches
Notes: The S10 controller contains ten switches. The two big rotary switches at the top have eight positions each. The small switches on the bottom have three positions: top, middle, bottom. The rotary switches yield the numbers 0, 1, 2, ... 7, the small switches yield 0, 1 or 2. You can use these values to directly control parameters in your DROID patch.

The special advantage of switches as opposed to buttons is the direct haptic feedback. So with the S10 you can create very intuitive playing interfaces for your own modular instrument. Also the S10 is very dense in functionality. The switches have a total of 40 different positions, at just 5 HP.

You can attach up to 16 controllers to one DROID master. This is done with a 6 pin ribbon cable. This module gets its power from the DROID master.

Besides the S10 there are many other types of controllers for the DROID.

Dimensions:
5 HP
25 mm deep

Current Draw:
10 mA +12V
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Der Mann Mit Der Maschine Droid M4 Motor Fader Controller Module
Cat: 913511 Rel: 07 Dec 22
 
DROID M4 motor fader controller with 4 faders
Notes: This module provides you with four motorised faders (aka flying faders) to be attached to your DROID master. You can attach up to 16 of these units (or any other DROID controllers) to one master, so the maximum number of faders on a DROID is 64. Below each fader is a touch button and an LED.

You can use the faders, the buttons and the LEDs in very flexible ways to control all parameters in your DROID patches, like steps of a sequence, volumes of channels of a digital mixer (controlled via MIDI with the X7), parameters of a large bank of envelopes, CV values that are organized in presets and much more.

The special thing about the motorized faders is that each fader can be assigned several functions or presets. When you switch the function, the fader moves to the exact position that corresponds to the current value. The usual Eurorack "picking up" of potentiometers or faders, where you never know exactly which value is currently set, is now a thing of the past.

Another unique feature is the "haptic feedback". If a fader is used, for example, in a sequencer to select a note from a scale, you can feel each individual note like an artificial notch. The fader intelligently creates these virtual grooves with its motor. This is very useful and very intuitive whenever you use the fader to select one out of several discrete values. Other examples are clock divider settings, the number of a preset, a waveform, a clock offset and much more. Due to the haptic feedback you don't need any display for seeing what you are doing. You can concentrate on making music and play very intuitively.

Another kind of haptic feedback is a kind of "pitch bend wheel", where the fader always pushes back to the center position by itself. Here the motor creates an artifcial spring. When setting analog values such as a volume or a filter cutoff, the fader then runs freely, of course.

Applications

The DROID plus the faders can be used for various applications - and due to the possibility of switching even at the same time! Here are some example:

A multi track performance sequencer
Use a MIDI controllable digital audio interface as mixer
Control a bank of four envelopes with A, D, S, R each with just four faders
Use the faders for CV presets
Use the faders and their haptic feedback for live performing with pitch bends, ratcheting and all other crazy stuff
Power
Motor faders need much energy. Theoretically one single fader can draw up to 800 mA when at full power. That seems to be the main reason why nobody dared in bringing motorised faders into Eurorack so far.

Der Mann Mit Der Maschine have solved that challenge by making use of the fact that the fader need their power always just for a very short time. The M4 unit comes with four big power tanks (called super caps) that are loaded with a low current but provide the full power when the faders need them. That way the maximum current of one M4 unit is limited. With jumpers on the back you can choose between a peak current of 350, 450, 500 or 600 mA.

Dimensions
14 HP
42 mm deep

Current Draw
350 mA +12V
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quote 913511
Der Mann Mit Der Maschine R2M/R2C Controller Remote Connection Modules For Droid Master (pair)
Cat: 971155 Rel: 06 Nov 23
 
R2M/R2C: two controller remote connection modules for the Droid Master - 2HP each.
Notes: R2M is module 1 of a pair of two 2 HP modules that allow you to connect a chain of controllers to your DROID master through a standard 3.5 mm stereo cable (sometimes also called aux-cable).

The usual idea is that you put all your DROID controllers into a skiff case and mount your DROID master, X7 and G8 into another case, together with all your fancy Eurorack sound modules.

R2C is module 2 of a pair of two 2 HP modules that allow you to connect a chain of controllers to your DROID master through a standard 3.5 mm stereo cable (sometimes also called aux-cable).

The usual idea is that you put all your DROID controllers into a skiff case and mount your DROID master, X7 and G8 into another case, together with all your fancy Eurorack sound modules.

While you could do this with the typical 6-pin ribbon connector (e.g. the 80 cm version that we offer), using the R2M/R2C combination has some serious advantages:

The connection cable can be almost arbitrary long (20 m have been tested and works perfectly).

Since the connection is done on the front of the modules, you can quickly disconnect your skiff for the purpose of travelling to a gig.

You can use a standard 3.5 mm stereo TRS cable for the connection.

These modules are not just passive connectors but contain special driver ICs that transform the electronic voltage levels, which run in the 6-pin ribbon, to something more stable and reliable that is fit for longer distances in a more hostile environment.

The controllers do not receive their power from the master but from the R2C module, which has a power connector and a voltage regulator for that purpose. Each chain of the R2C module provides the same power to its controller chain as the master does (it contains the identical voltage regulator). That means that you can connect up to 32 controllers (!) to one R2C.

Another nice thing: The R2M/R2C combination allows for two of these master / controller connections in parallel. That means that you can have two masters being attached to their individual controller chains. That does not mean, that each of the masters can access each of the controllers at the same time, however. Both master / controller connections work completely separately.

Package contents:
* one R2M module
* one R2C module
* one Eurorack power cable for the R2C
* two 6-pin ribbon cables for connecting the R2M to two masters
* two 3.5 mm stereo TRS cables, approx.. 1.2 m
* 4 red M3 screws for mounting the two modules
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Der Mann Mit Der Maschine P4B2 Expander Module For Droid Der Mann Mit Der Maschine P4B2 Expander Module For Droid Der Mann Mit Der Maschine P4B2 Expander Module For Droid
Cat: 1005196 Rel: 07 Mar 24
 
Expander module for the Droid with 4 pots & 2 buttons - 5HP
Notes: Expander for the DROID with 4 pots and 2 buttons

The P4B2 controller provides 4 potentiometers and 2 push buttons for free assignment to any of the DROID's parameters.

Each potentiometer outputs a value between 0 and 1 and can be used for controlling every aspect of the functions of your DROID patch (configuration), such as the speed or depth of an LFO, the pitch of a sequencer step, all aspects of an envelope, clock division and multiplication and much much more.

The buttons can be used as momentary or toggle buttons, if you like with three or four states. Or you can group several buttons together so that they work like "radio buttons". Buttons can be used for various tasks like switching between different behaviours, selecting wave forms, switching steps of a step sequencer, changing the root or scale of a quantizer or chord generator and much more. Also you can use buttons for overlaying a single pots with multiple switchable functions.

You can attach up to 16 controllers to one DROID master. This is done with a 6 pin ribbon cable. This module gets its power from the DROID master.

Besides the P4B2 there are many other types of controllers for the DROID.

Dimensions
5 HP
25 mm deep

Current Draw
11 mA +12V
0 mA -12V
0 mA 5V
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quote 1005196
Der Mann Mit Der Maschine TRS Split CV/Audio Signal Distributor Module Der Mann Mit Der Maschine TRS Split CV/Audio Signal Distributor Module
Cat: 1005286 Rel: 07 Mar 24
 
CV & audio signal distributor module - 2HP
Notes: TRS Split - CV/Audio signal distributor

TRS Split is a multipurpose CV and audio signal distribution module. It has three 3.5 mm TRS (tip/ring/sleeve - stereo) jacks and six ordinary 3.5 mm mono jacks.

It contains 3 identical sections set up as following:

Upper jack carries the tip signal
Middle jack carries the stereo/dual signal
Lower jack carries the ring signal

Each section can either split a stereo signal into two mono signals or join two mono signals into one stereo signal. The module does not have any active components and does not need a power supply.

Use cases:

When you plug a stereo signal carried by a stereo (TRS) cable into the middle jack, you receive two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. That way you can attack an "AUX" cable such as from your smartphone to your modular.

Or the other way around: Send two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. Receive a stereo signal at the middle jack to be used with a stereo (TRS) cable.

Converting from stereo to dual mono and back allows you to alter the two sides of a stereo signal with different effects/filters.

Some tuners such as the Korg NTS-2 accept inputs to tune two oscillators combined in one 3.5 mm stereo jack. With one splitter you can easily feed two VCO signals into such a tuner.

Switching sides

Two splitters can be used to switch tip and ring (left and right): Plug in a stereo cable in the middle jack of the first section. Connect mono cables to the upper and lower jack of the first section. Then connect the upper mono cable of the first section to the lower mono jack of the second section and the lower mono cable of the first section to the upper mono jack of the second section. The signals are switched. Plug a stereo cable in the middle of the second splitter and you're good to go.

Hint: This also works for MIDI signals. If you use MIDI over minijack, there are two standards A and B - some manufacturers use A some B - thus not all connections are working. Now you can easily switch between the standards using the TRS Split.

Note: The MIDI input of the DROID X7 automatically detects A and B, so there is no switching necessary. The MIDI output of the X7 can be set to A or B with a switch on the back of the module.

Stereo multiple setup

If you have a separate multiple in your modular, you can use the TRS-SPLIT to create a 1:2 stereo multiple as follows:

Plug a stereo cable in the middle jack of section 1, patch the mono cable from the upper jack into section 1 of your multiple (e.g. a 3/3/3 multiple) and feed two of the outputs back into the upper jacks of section 2 and 3. Do the same with the mono cable coming from the lower jack of section 1 going into the second section of a 3/3/3 multiple and patch two cables back into the lower jacks of section 2 and 3 of the TRS Split. Now the middle jacks of section 2 and 3 both carry the stereo signal.

Dimensions
2 HP
22 mm deep

Current Draw
Module does not draw current
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 1 in stock $50.22
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quote 1005286
Der Mann Mit Der Maschine TRS Tool Stereo/Dual CV/Audio/MIDI Signal Multipurpose Module Der Mann Mit Der Maschine TRS Tool Stereo/Dual CV/Audio/MIDI Signal Multipurpose Module Der Mann Mit Der Maschine TRS Tool Stereo/Dual CV/Audio/MIDI Signal Multipurpose Module
Cat: 1005290 Rel: 07 Mar 24
 
Stereo & dual CV, audio & MIDI signal multipurpose module - 2HP
Notes: TRS Tool - Stereo/Dual CV/Audio/MIDI signal multipurpose module

TRS Tool is a multipurpose CV and audio signal distribution module for working with 3.5 mm stereo jacks (tip/ring/sleeve). These jacks are common for stereo audio but also for MIDI.

The TRS TOOL has no active components and does not need a power supply. It contains 3 different sections set up as following from top to bottom:

TRS Split
The upper jack carries the tip signal
The middle jack carries the stereo/dual signal
The Lower jack carries the ring signal

Use cases:

When you plug a stereo signal carried by a stereo (TRS) cable into the middle jack, you receive two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. That way you can attack an "AUX" cable such as from your smartphone to your modular.

Or the other way around: Send two separate mono signals by plugging in a mono (TS) cable in the upper jack to carry the left signal and a mono (TS) cable in the lower jack to carry the right signal. Receive a stereo signal at the middle jack to be used with a stereo (TRS) cable.

Converting from stereo to dual mono and back allows you to alter the two sides of a stereo signal with different effects/filters.

Some tuners such as the Korg NTS-2 accept inputs to tune two oscillators combined in one 3.5 mm stereo jack. With one splitter you can easily feed two VCO signals into such a tuner.

TRS Quad Multiple

Multiply a stereo signal. Four TRS jacks to be used with stereo minijack cables.

Use cases:

You could use this to multiply the signal for headphones - listen to patches together.

Or create sends - route one (or two) stereo signals to effects and use the third one as dry signal going to the mixer.

Experimental: multiply a MIDI signal to two or three receivers: NOTE: depending on the output power of the MIDI sender and the power draw of the MIDI receivers this might or might not work. MIDI uses a current of typically 5 mA instead of voltage levels for data transmission. So when you attach too many devices to one output the current might not be enough to drive all of them. So this is strictly spoken not covered by the MIDI standard, but might work anyway.

A/B Swapper
The bottom section of the module consists of two connected TRS jacks.
Whatever signal applies to the tip in jack A will be routed to the ring in jack B.
Whatever signal applies to the ring in jack A will be routed to the tip in jack B.

Use cases:

Switch the left and right side of a stereo audio signal.

Switch between MIDI standard A and B: If you use MIDI over minijack, there's two standards A and B - some manufacturers use A some B - thus not all connections are working. Now you can easily switch between the standards using the TRS Split.

Note: The MIDI input of the DROID X7 automatically detects A and B, so there is no switching necessary. The MIDI output of the X7 can be set to A or B with a switch on the back of the module.

Dimensions
2 HP
22 mm deep

Current Draw
Module does not draw current
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 1 in stock $49.96
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quote 1005290
Dannysound Cali Oscillator Wave Shaping Oscillator Module Dannysound Cali Oscillator Wave Shaping Oscillator Module Dannysound Cali Oscillator Wave Shaping Oscillator Module
Cat: 967569 Rel: 15 Sep 23
 
Wave shaping oscillator module with touch sensitive switch - 12HP.
Notes: The Cali oscillator is a new and improved version of the classic Buchla 258 wave shaping oscillator with an additional pulse width modulated output. The oscillator features the classic Sine to Square and Sine to Saw wave shaping with dedicated CV control. The Cali Oscillator differs from previous versions of the 258 in that it has a 3-way position switch rather than 2-way. This new middle position features a bonus waveform that will shape from a pulse into a kind of triangular trapezoid shape. The shaping control is more unpredictable in this middle position and the switch reacts to body contact when the wave shape is set low - it can be thought of as an extra bonus waveform, great for producing glitchy sounds! There are dedicated inputs for linear and exponential FM and the Cali also adds a Pulse output with it's own width control and PWM CV input. The behaviour of the pulse output can be affected by the position of the waveform switch and wave shape control. The module features Coarse and Fine frequency controls and an LFO mode, LFO range is accessed via an LED pushbutton that also acts as the LFO speed indicator - the button will light up when the waveform moves through its positive cycle. Because the wave shape modulation is independent of pitch this oscillator is very useful for creating complex timbres whilst retaining musical pitch.

Features

Sine to saw/square waveform output with cv over wave shaping

Pulse output with voltage controlled PWM

Linear FM with attenuator

Logarithmic FM with attenuator

Bonus 'trapezoid' output

Coarse & fine controls with LFO mode

Includes power supply isolation on frequency controls


Width: 12 HP
Depth: 22mm

Power
+12V = 37mA
-12V = 34mA
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 1 in stock $243.69
Dannysound EN129 Thru-Zero Oscillator Module Dannysound EN129 Thru-Zero Oscillator Module Dannysound EN129 Thru-Zero Oscillator Module
Dannysound EN129 Thru-Zero Oscillator Module (LFO/oscillator synth module)
Cat: 967572 Rel: 15 Sep 23
 
Through zero oscillator module - 12HP.
Notes: Gorgeous vintage-style through-zero FM here, featuring five simultaneous waveform outputs, pulse width modulation, soft sync and a dedicated LFO mode.

Supplier's notes:
The EN129 Thru Zero Oscillator is an all analogue triangle-core VCO specialising in frequency modulation. Analogue through-zero FM modulation produces a wide array of timbres particularly useful for bell like or percussive sounds. Through zero linear frequency modulation can be precisely dialled in thanks to a dedicated CV input attenuator and through zero offset control. Logarithmic FM is also available via it's own dedicated input with attenuator and both FM inputs have an LED to indicate incoming voltages. Simultaneous analogue wave outputs include: Sine, Triangle, Sawtooth, Square and Pulse wave with Pulse Width Modulation. The PWM control goes to zero at either end of it's range, which is very useful for creating rhythmic sounds with voltage control. Furthermore the PWM control doubles up as wave shape modulation for the Sawtooth wave - gradually altering the waveform until it shifts half a cycle. The EN129 features Coarse and Fine frequency controls as well as an LFO mode. LFO range is accessed via an LED pushbutton that also acts as the LFO speed indicator - the button will light up when the waveform moves through its positive cycle. A new addition of a Soft Sync Input allows the phase of the oscillator to be controlled by an external oscillator for an even greater range of timbres.

The EN129 is based on the pioneering work by Douglas Kraul and Bernie Hutchins. You can read the original Electronotes article from 1981 that the design is based upon here.

Features:

Soft Sync Input
Thru Zero Linear FM
Logarithmic FM
Zero to Zero PWM
Sawtooth Wave Shape Modulation
Simultaneous Outputs for: Sine, Triangle, Saw, Pulse & Square
Coarse & Fine Controls with LFO Mode
Includes Power Supply Isolation on Frequency Controls
Power consumption: 51mA at +12V and 47mA at -12V

Depth: 22mm

HP : 12
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MRP:$314.50 SAVE 10%
 1 in stock $284.60
Dannysound Dynamics Analogue Compressor/Expander Module Dannysound Dynamics Analogue Compressor/Expander Module Dannysound Dynamics Analogue Compressor/Expander Module
Cat: 967575 Rel: 15 Sep 23
 
Analogue compressor/expander module with inductor EQ section, sub bass enhancer and harmonic exciter - 12HP.
Notes: The Dannysound Dynamics is a compressor / expander originally designed to process drums but, like most processing devices, it can be used for a wide variety of applications.

The module comprises of:

Compressor / Expander
Sub Bass Enhancer
3 Band Inductor-based EQ
Harmonic Exciter

The compressor / expander section uses a discrete transistor-based circuit that allows for soft clipping when overdriven.

The envelope detector is known as a feedforward type of circuit; taking its input from the signal before it goes to the compressor rather than after. This type of circuit is known for having fast attack times.

The Sub Bass enhancer has its own compression circuit that "ducks" the initial transient. This allows the sub bass to be increased without distortion on the transient peaks, increasing the overall level.

There is a MIX control to allow the unprocessed signal to be mixed back in with the processed signal.

The 3 band EQ is an inductor based LCR design. After Dannysound tryed out various EQ topologies, this was the design that sounded the nicest. When overdriven it gives a nice "bite" to the sound, and it has a certain characterful charm that's hard to put into words. The controls have a response that are subtle to begin with and get more pronounced as the controls are increased.

The Harmonic Exciter adds a little distortion to the high frequencies, which bring out the sparkle of cymbals or the snap snare drums. The operating bandwidth can be switched between Low (snare drum snap) or High (Cymbals sparkle).

There are inputs for side chaining and control with an external envelope as well as an envelope out to make the envelope detector output available to drive other modules.

It also features separate inputs and outputs for the Compressor / Expander and EQ sections, so they could be used as 2 separate modules.

Features:

Compressor/ Expander
Sub Bass Enhancer
3 Band Inductor-Based EQ
Harmonic Exciter
Envelope In/Out
Sidechain Input
Seperate In/Out for Compressor, Expander and EQ-Section
Power consumption: 85mA at +12V and 61mA at -12V

Depth: 25mm

HP : 12
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 1 in stock $361.82
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Dannysound MML Filter Multi-Mode Ladder Filter Module Dannysound MML Filter Multi-Mode Ladder Filter Module Dannysound MML Filter Multi-Mode Ladder Filter Module
Cat: 967619 Rel: 12 Dec 23
 
Multimode transistor ladder filter module with red mode feedback distortion - 6HP.
Notes: The updated "Skiff friendly" design of the mml filter now features bipolar "Attenu-verters" for the cv controls as well as an all new red mode!

This new mode activates a feedback distortion circuit capable of actually changing the pitch of the notes coming in to the filter in a musical way that adds instant variety to acid basslines, creates weird and strange alterations to drones or adds some nice overdriven distortion to whatever goes into it!

The multi-mode ladder (mml) filter is based on the classic transistor ladder low pass filter by dr. Robert a. Moog. This filter updates the classic 4-pole ladder design to provide band pass and high pass filter responses as well as the traditional low pass filter. There are 2 bipolar controls with attenu-verters for the cut-off frequency plus a cv input for the resonance.

The core of the circuit features a fully discrete transistor design with an op-amp buffered output, this allows soft saturation of the input signal to get the classic overdriven tones of the ladder filter. A bass compensation circuit has been included to retain the bass response in low pass mode when the resonance is increased. The bass compensation also helps to improve the response of the high pass filter.

The red mode is activated/de-activated by holding the mode button for 0.3s. In this mode the filter cut-off, input volume and resonance all interact and the effect is to produce alterations to the incoming frequencies. The pitches of the audio coming into the filter also affect the alterations as well selecting between low pass, band pass and high pass filter modes whilst in red mode.

Features

Low pass, band pass and high pass modes.
Red mode feedback distortion.
CV controlled resonance.
Added low frequency compensation.
Soft saturation of input.
2 x bipolar attenuverter CV inputs.

Width: 6 HP
Depth: 25mm
Power: +12v = 50ma / -12v = 39ma
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 1 in stock $270.31
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Dannysound Timbre Buchla 259 Inspired Wavefolder Module Dannysound Timbre Buchla 259 Inspired Wavefolder Module Dannysound Timbre Buchla 259 Inspired Wavefolder Module
Cat: 967621 Rel: 15 Sep 23
 
Buchla 259 inspired wavefolder module - 6HP.
Notes: The Timbre is a 6HP Eurorack module based on the wave folder section of the Buchla 259 oscillator as implemented in the Music Easel.

The wave folder adds extra harmonics to input signals that have low harmonic content to create rich and interesting timbres. Typical input sources to use would be Sine and Triangle waves but you are welcome to try other sources as well! The Dannysound Timbre adds an extra input to the Buchla design to allow 2 oscillators to drive the wave-folder simultaneously - this dramatically increases the range of possible tones that can be generated and allows the folder to go wild!

Features:

Osc1 / Osc2 Mix - Adjusts the mix between the Oscillator 1 and 2 inputs, also acts as an attenuator if only one input is used.
Timbre Control - Adjusts the overall amount of wave fold
Timbre CV - Bipolar (attenuator) controls the Timbre CV input
Symmetry - Adds an offset to the input so that the top half of the wave begins to fold earlier
Blend - Mixes between the clean and effected sound

Power consumption: 46mA at +12V and 48mA at -12V

Depth: 25mm

HP : 6
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 1 in stock $249.27
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Dannysound Looping VC-ADSR 4-Stage Envelope Generator Module Dannysound Looping VC-ADSR 4-Stage Envelope Generator Module Dannysound Looping VC-ADSR 4-Stage Envelope Generator Module
Dannysound Looping VC-ADSR 4-Stage Envelope Generator Module (envelope generator/function generator/LFO synth module)
Cat: 967622 Rel: 15 Sep 23
 
ADSR envelope module with full CV control and looping LFO mode - 6HP.
Notes: The Looping VC-ADSR is a 4-stage, loop-able, envelope generator based on the ENVGEN 8C IC from Electric Druid. The individual sections of the Envelope (Attack, Decay, Sustain, Release, Level and Time) can all be individually controlled via CV.

The module has 5 MODES of operation that can be selected via the pushbutton LED switch with the status indicated by the five LEDs above:

Normal Envelope - Gate signal at the GATE/TRIG input, fires the ADSR.
Trigger Mode - Trigger signal at the GATE/TRIG input fires the AD portion of the envelope. The sustain control determines the final value the envelope rests at after the decay portion has ended.
Gated Looping Envelope - ADSR loops whilst gate signal is high.
Looping Envelope - ADSR loops regardless of gate signal.
LIN response (Hold switch to select between LIN/EXP Mode) - Sets the envelope response to be Linear. The response is Exponential when the status LED is off.
When the envelope is looping, all 5 controls affect the output. Attack and Decay operate, as one would expect. The Sustain control sets the minimum voltage the decay part of the envelope will decay to. The Release sets a release time from the end of the Sustain period to the beginning of the next cycle. When the Sustain is set to 0 you can use the Release control to add a delay between the Attack and Decay cycles.

In Normal Envelope mode the Sustain CV input can be used with an LFO source to add amplitude modulation that gradually increases as the Envelope transitions from the Attack/Decay part of the envelope into the Sustain part. The Level CV is also a useful point for amplitude modulation or can be used for Velocity Sensitivity via CV.

The Time CV is set so that increasing voltage shortens the overall envelope time to better mimic the sounds of percussive instruments.

Features:

5 Modes of Operation: Gate Input ADSR, Trigger Input ADS, Gated Loop, Constant Loop and EXP/LIN Envelope Responses
CV over: Attack, Decay, Sustain, Release, Level and Time
Works with Gate or Trigger Signals from +5V to +12V
CV Input Range 0V to +10V
Output CV Range 0V to +10V


Power consumption: 28mA at +12V and 18mA at -12V
Depth: 25mm
HP : 6
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 2 in stock $270.31
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Dannysound VU Meters Analogue VU Meters Expander Module For Dynamics Dannysound VU Meters Analogue VU Meters Expander Module For Dynamics Dannysound VU Meters Analogue VU Meters Expander Module For Dynamics
Cat: 967625 Rel: 15 Sep 23
 
Analogue VU meters expander module for the Dynamics module - 8HP.
Notes: The Dannysound VU Meters is designed to be used with 2 x Dynamics modules. The modules connect internally via 2x3 pin ribbon cables. The meters provide a visual representation of various signals within the Dynamics modules making settings easier.

Features:

External input sockets for monitoring external sources.

Switch to select high or low meter sensitivity or off if the clicking needles get annoying!

Monitoring of the compression/expansion amount.

Monitoring of the unprocessed input level.

Monitoring of the compressor/expander output level.

Power consumption: 0.03mA at +12V and 83mA at -12V at and 3mA at +5V
Depth: 51mm
HP : 8
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 1 in stock $219.82
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Cre8audio Function Junction Function Generator Module
Cre8audio Function Junction Function Generator Module (attenuator/CV modulation/function generator/mixer/envelope generator/LFO module)
Cat: 872059 Rel: 26 Apr 22
 
Function generator module - 16HP
Notes: Function Junction

ADSR, Function Generator, LFO, & Mixer

According to the user manual, "Function Junction is a modulation hub combining four independent sections into a single intertwined module that offers much more than the sum of its parts. Although a sum of its parts is one of its best features!"- but Function Junction can do more than a ton of things. In fact, it's downright impressive what's possible with this lovely module.

Function Junction combines three classic analogue modulation sources, ADSR envelope, function generator, and LFO. All are fed into an attenuverting mixer to create a complex modulation junction that can be used as 4 independent sections or in conjunction with each other.
The magic of the module is the ease you can flow from using its functions for basic everyday tasks to creating hyper-complex modulation. The sheer breadth of what you can do and the ease of doing it are simply amazing. Cre8audio highly recommending reading the manual to get a feel for the possibilities.

Specifications

Width = 16hp
Depth = 30mm
Power draw: 130mA when running +12V rail, 70mA when running -12V
ADSR / Envelope facts
Fully analogue Pittsburgh Modular Synthesizers developed 4 stage ADSR circuit with independent Attack, Decay, Sustain and Release controls.
Voltage output range 0V - 10V
"Long" button doubles the length of the envelope attack, decay, and release times
"Loop" button enables/disables envelope cycling. The SUSTAIN KNOB and RELEASE KNOB are used to adjust the time it takes to loop.
"A LOOP JACK" - Enables/disable loop mode. An external gate signal will flip the state of the loop mode. If loop mode is on, the gate will turn loop mode off. If loop mode is off, the external gate will turn loop mode on.
Function Generator facts
Function Generator can be used as an envelope generator, a voltage controlled LFO, a slew generator, a gate signal delay, envelope follower, a clock source, voltage controlled clock divider, complex modulation source, and more
Voltage output range +/-5V
ATTACK KNOB - Attack duration control knob.
DECAY KNOB - Decay duration control knob.
CURVE KNOB - Attack and decay response curve. Exponential (full left), Linear (12 o'clock), Logarithmic (full right)
MOD KNOB - Modulation input (F MOD JACK) attenuverter knob.
MOD BUTTON - Assign Modulation input (F MOD JACK) to attack, decay, or both.
LOOP BUTTON - Enable/Disable loop mode.
LOOP BUTTON (2nd FUNCTION) - Press and hold MOD BUTTON then press LOOP BUTTON to assign A LOOP JACK destination to ADSR or function generator.
SUSTAIN BUTTON - Enable/Disable sustain mode.
F IN JACK - Function Generator trigger/gate input gate jack.
F MOD JACK - Function Generator modulation input jack.
F OUT JACK - Function Generator output jack.
F TRIG JACK - Function Generator end of decay trigger output jack. A trigger is output at the end of the decay stage.
LFO facts
Triangle and Square LFO outs
Dedicated rate knob
LFO output voltage +/-8V
Mixer facts
3 channel attenuverting mixer with OR circuit
Mixer can be split into 3 independent attenuverters, one two-channel mixer, and one attenuverter, or a three-channel mixer
OUTPUT 1 KNOB - Channel 1 input (1A JACK) attenuverter knob.
OUTPUT 2 KNOB - Channel 2 input (2F JACK) attenuverter knob.
OUTPUT 3 KNOB - Channel 3 input (3L JACK) attenuverter knob.
1A JACK - Channel 1 input jack. Normaled to ADSR output.
2F JACK - Channel 2 input jack. Normaled to function generator output.
3L JACK - Channel 3 input jack. Normaled to LFO output.
+OR JACK - Analog logic output jack.
OR circuit outputs the current highest voltage value of any of the voltages output by the mixer
1 OUT JACK - Channel 1 breakout output.
2 OUT JACK - Channel 2 breakout output.
MIX JACK - Mixer output.
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 1 in stock $177.76
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