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Notes: ADSR is a four stage linear envelope with two expressive ranges. Each stage can be modified independently allowing for the creation of complex, multi-segment envelopes. Great for modulating filters, VCAs, and oscillators.

Notes: Arp is a gate-driven arpeggiator with a multitude of chord types and playback modes. Voltage control over both root note and chord type allow for sequencing any combination of chords in any key imaginable.

With the rate of the arpeggio and reset capability in your own hands, you're free to create dynamic rhythmic melodies from your favourite chords. Take your tonality for a ride with Arp.

Notes: Delay is a flexible, full-featured delay audio processor. CV over all parameters provides dynamic access to its nuanced controls. The feedback path ranges from slapback to infinity, allowing for wild permutations of the original signal.

With delay times from milliseconds to nearly two seconds, Delay is sure to find a use in every patching situation. Add subtle echo to a melodic line, or crank up the feedback and hear a bed of layered sounds to bury your listeners in.

Notes: Div is a 2 channel, voltage controlled clock divider and multiplier. Incoming clock signals can be multiplied or divided by a factor of 16 with a multitude of values in between.

CV inputs provide external control of the current clock rate, allowing for the creation of dynamic rhythms from a single clock signal.

Notes: Hat is a hi-hat cymbal with a wild side. Finding something unique is easy with a blend of sounds ranging from robotic to metallic. At its core are three unique sound sources made up of six oscillators, a noise generator, and a number of filters. Sizzle affects each source independently, adjusting oscillator and filter frequencies, allowing for a broad range of sounds. In addition, separate trigger inputs for open and closed allow for a complete hi-hat pattern on a single module. No matter what situation it's in, Hat provides shimmering, metallic timbres for any percussive purpose.

Notes: Loop is a high fidelity looper with four unique recording modes and an intuitive user interface. It can capture up to five minutes of audio with reverse, and half-speed playback accessible. Each recording can use one of four modes: Sound on Sound, Dub, Replace, and Infinite (i.e. Frippertronics). Whether you're looking for minimal part layering, or full blown ambient soundscapes, Loop will take your patch for a ride.

High fidelity audio - 24-bit, 48kHz with five minutes of recording time
Four recording modes: Sound on sound, Dub, Replace, and Frippertronics
Intuitive interface
Half speed and reverse playback

Tech Specs:
Width: 2HP
Depth: 42mm

Notes: Mix is a 4 channel mixer that is great for audio or control voltage signals. Up to four inputs can be combined to a single output each with its own level control.

Notes: MMF is an analogue, multimode filter with a 12dB per octave slope. Its sonic character swings all the way from classic low pass to squelchy acid lines. Simultaneous outputs of low pass, high pass, and band pass filter types are provided allowing for many variations of the input signal. Whether you're looking for smooth and creamy, or resonant and wild, MMF can go there.

Notes: Play is a high-fidelity sample player with a full feature set.

Up to 32 samples can be loaded at a time and dynamically switched between using the file knob and associated CV input. Playback modes include one-shot, looping, or gated playback; all with extremely low latency. Transform your samples by pitching them up two octaves or down three octaves, all with a pitch knob that can be free running or quantized to semitones. The pitch CV input tracks volt per octave across its entire range and allows for musical sequencing of samples. Play ships with a pre-loaded SD card packed with loops, drum hits, and field recordings to get you up and running immediately.

Notes: Pluck is a physical modelling synth voice. It uses the Karplus-Strong algorithm to create plucked string sounds. The dampening control sets the size of the string and allows for dramatic timbral shifts.

The decay control changes note length from percussive transients to infinite harp sounds. In addition, four voice polyphony provides complex layered tones; all from a single sound source.

Strum a new chord with Pluck.

Notes: Pluck is a physical modelling synth voice. It uses the Karplus-Strong algorithm to create plucked string sounds. The dampening control sets the size of the string and allows for dramatic timbral shifts.

The decay control changes note length from percussive transients to infinite harp sounds. In addition, four voice polyphony provides complex layered tones; all from a single sound source.

Strum a new chord with Pluck.

Notes: Sine is a harmonically pure VCO with two distinct outputs.

The primary output contains a perfect sine wave with a wide frequency range and pristine volt per octave tracking. The Sub output features two sine tones that can be blended together to achieve a mix of one octave below, or a fifth above the primary output's frequency.

In addition, both outputs have an internal wavefolder that adds harmonic content to the signal allowing for spectrally complex tones within a single module. Keep your tones pure (or not!) with Sine.

Notes: Get glitchy with it.

The 2hp Slice is a compact beat repeat/glitch engine built to add clickless stutters, digital glitches, and more to your patch. With an onboard Triplet button, seamlessly switch between straight beat repeats to offset triplets, perfect for those trap style fills you can't live without. With massive repeat range, and CV/Gate inputs for complex glitch sequencing, Slice is everything you need to get glitchy with it, all in 2HP.

Tech Specs

Width: 2HP
Depth: 45mm
Power Consumption: +12V=83mA, -12V=8mA, +5V=0mA

The 2hp Slice will be available in both Silver aluminium and Black PCB front panels.

The 2hp Slice ships with a 10-16 power cable and 2 Silver M3 mounting screws.

Notes: Tune is a multi-scale pitch quantizer. It features 11 scales ranging from chromatic to octatonic with everything in between. In addition, the bias control allows the user to transpose the melody to a different octave or starting note.

This functionality opens up every musical mode for each of its 11 scales and provides a performable control for transforming melodies on the fly.

Notes: The 2hp VCA is a dual, linear VCA. It uses the renowned 2164 SSM architecture, giving it extremely low distortion and high quality audio outputs. With a CV input attenuator, and DC-coupled inputs this is your new go-to module for voltage controlled amplification of audio or CV.

Notes: Verb is a lush stereo reverb with a full feature set and superior audio quality. A wide range of reverb times take your sound from small room to never-ending concert hall.

CV over mix allows dynamic movement between the dry and reverberated sound, and the dampening control lets you dial in the perfect timbre for the wet signal. Whether you need a traditional reverb for an FX send or an esoteric sound design tool, Verb can take you there. Get lost in space with Verb.

Notes: The Listen IO is a simple module which gets signals in and out of a Eurorack system by converting to and from normal modular levels. The top section converts any external signal to modular levels by providing up to 30x gain (+30dB), allowing you to use table-top synthesizers, keyboards, phones/tablets, computers, toys, microphones, etc. in your patches. The bottom section does the opposite: modular signals are converted to normal line level signals. The bottom two jacks can be used as line outs or as headphone jacks, so you and a friend can listen in stereo at the same time.

Each section has two inputs and outputs for use with a stereo signal or two mono signals. An LED bar graph for each output shows the signal level and clipping.

Notes: The Mini PEG is a clock-synced envelope generator and LFO whose envelope times are set by the time between clock pulses or "pings". The Mini PEG is the latest version of the classic 4ms Pingable Envelope Generator.

Specs

Mini PEG
8HP Eurorack format module
0.95" (24mm) maximum depth (includes power cable)
16-pin Eurorack power header

Power consumption
+12V: 55mA
-12V: 30mA

Envelope Outputs
Maximum voltage range (ENV OUT): -9.4V to +9.4V
Maximum amplitude (ENV OUT): 9.5Vpp
Voltage range (5V OUT): 0V to +5V

Frequency range: +/-0.1dB DC to 1kHz, -1.0dB@2.5kHz, -2.0dB@4kHz
12-bit, 40kHz sample rate
Clock Range

Period range: 29.16 hours to 250us (4kHz)
CV Inputs (Div/Mult and Shape)

Voltage range: -5V to +5V
Gate Inputs (Ping, Trigger, Cycle)
Rising edge threshold: 2.5V

Notes: Nice dual-module gate/envelope generator which can run off any audio signal. Feed it drums, synths, samples or a mic input and and generate CV modulation signals.

Supplier's Notes:
The Percussion Interface (PI) and PI Expander are a pair of Eurorack modules that generate gates and envelopes from acoustic drums, samplers, drum machines, and virtually any audio source.

Converting microphone, instrument, line and modular signals into CV and clock/gate signals, the PI and PI Expander are suited for synchronizing sequencers or other modules to the rhythm of an audio track or live percussion. The modules can simultaneously be used as a pre-amp for microphones or line-level signals, while generating inverted envelopes useful for side-chaining. The PI module contains all the core functionality and can be used without the Expander to conserve space. The Expander requires the main PI modules and adds three gain stage options, a modular-level audio output jack, a 1/4" (6.35mm) input jack, and envelope attenuation capabilities. The two modules are only sold together, they are not available separately.

Electrical and Mechanical Specifications:
Module size (PI):
4 HP Eurorack formal module
0.98" (25mm) maximum depth with power cable
10-pin Eurorack power header

Module size (PI EXP):
4 HP Eurorack formal module
0.98" (25mm) maximum depth with power cable
8-pin cable connects to PI

Power consumption:
with PI Expander
+12V: 104mA
-12V: 65mA
without PI Expander
+12V: 69mA
-12V: 56mA

Audio Inputs:
1/8" [3.5mm] on PI main module, and 1/4" [6.35mm] on PI Expander
100k input impedance, AC-coupled

Audio Outputs:
Voltage range: -10.4V to +10.8V, DC-coupled
1k output impedance
Gain Characteristics
Gain range: < -100dB to +54dB (500x)
Clip light turns blue when signal (post-gain) exceeds 2.5Vpp
Gate is triggered when signal (post-gain) exceeds 6.3Vpp
Clip light flashes red when signal clips on Audio Out jack (exceeds +10.8V)
Gate Out Jack
1k output impedance
+8V gate/trigger signal
6ms - 0.5s pulse width
+ Env Out jack (jack on PI main module)
1k output impedance
+9V peak (sustain), -60mV resting (off)
15ms attack time
70ms - 6s exponential decay time (1% of peak voltage)
- Env Out Jack (jack on PI main module)
1k output impedance
+9V resting (off), -150mV peak (sustain)
15ms attack time
70ms - 6s exponential decay time (1% of peak voltage)
Env. Out jack (attenuated jack on PI Expander)
1k to 26k variable output impedance
+9V maximum
-60mV minimum
Inv. Out jack (attenuated jack on PI Expander)
1k to 26k variable output impedance
+9V maximum
-150mV minimum
Included with the PI+EXP:
8-to-16 pin power cable
8-to-8 pin cable for connecting to the Expander
M3 Knurlie screws (4)

Notes: The ADE-50 provides 3 all-analogue voltage controlled amplifiers based on a modern operational transconductance amplifier design.

The VCA's are designed to provide a good balance between the performance and specification of modern 'on-chip' VCA's and the character and musicality of classic analogue designs.

The OTA core of each VCA is fully discrete - it is built from only resistors, capacitors and transistors - however, the CV conditioning, audio input and output stages are built using high-quality op-amps giving the best balance between musicality, character and performance.

The ADE-50 provides a good signal-to-noise ratio, linearity, attenuation, an output level at unity gain at 5V CV input, minimal CV 'bleed' and minimal output offset/bias.

Notes: Junction requires a +12V / -12v power supply with a 2x5 pin ribbon cable (included). The red line of the ribbon cable must be aligned with the -12V marking next to the module's power header and on your case's power distribution board. Junction draws 23mA from the +12 rail and 20mA from the -12 rail. Please ensure you have
enough power available before installing.

About Junction

Junction is a compact, 4 channel attenuverter, cascading mixer and multiple designed to fine tune the control voltages in your rack to the perfect range for their destinations. Junction can be used as a source of fixed voltage, offset another voltage, or mix multiple voltages together to create complex and dynamic modulation.

Features

Each channel on Junction has a knob (1) that acts as a manual control for the attenuverter. Center position (12 o clock) is 0V. The first channel input (2) is normalized to +5V when no cable is plugged into it.

A buffered copy of the input signal of the first channel is present on all of the other inputs from from the first (2) to the last (8). This duplication is "cascading" as shown by the arrow graphics on the panel - if a cable is patched into any input, it "breaks" the cascading multiple - all unpatched inputs carry the signal present at the uppermost patched input (or +5V if no inputs are patched). For example, if a signal is patched into the second channel's input (4) the third (6) and fourth (8) channel inputs would carry a copy of the second channel's input instead of the first channel input.

Junction's channels are mixed on the outputs. The output mixer is also "cascading" - when a cable is patched into an output, it carries a mix of it's own output and all unpatched channel outputs above it. For example, if only the last channel output (9) is patched, this output will carry a mix of all of the outputs. Patching the first channel output (3) would remove it from this mix.

Even though Junction's inputs cascade and outputs mix, Junction's output will clip at the Eurorack power rail voltages of +12 and -12V. It is not possible to output a voltage outside of this range, regardless of the signals patched into Junction.

23mA +12 / 20mA -12 4 HP / 25mm
Deep Reverse Power Protection

Notes: This small utility is the pedal's lover best friend, it allows 2 diferent chains of pedals to be independently connected to your synth.

The Send channels attenuate the synth level to instrument level.

The Return channels amplify the signal from instrument to synth level.

Specs:
- Width: 4 HP
- Depth: 3 cm
- Max current: 10mA

Notes: This new module should not be judged by it's size, at 6hp it's packed with features.

At its core it features a noise source and two precision Sample & Holds with 0.01% of maximum deviation from the Input which allows for quantized signals to be sent through without any noticeable detuning or the typical voltage drops over time.

The Sample & Hold sections can also be used as a Track & Hold meaning it holds the incoming input while the Trigger input is ON and lets the input flow to the output when the Trigger input is OFF.
Each section also features it's own slew processor with a single control over attack and decay and an ON/OFF switch.

The noise signal is normalled to both sections inputs, meaning that without a jack plugged into the Input the sample and hold function will act upon the incoming noise signal generating random CV values.

The [Trigger A Alternate] switch allows to Link both sections so that any trigger input in Trigger A will alternate between triggering the A and B section.

Besides each section outputs there's also 4 extra outputs: Noise, Difference, Average and Sum. The Noise output is coming from the noise source, the Difference output is the subtraction of section A minus section B, the Average output is the sum of both A plus B and then divided by 2 and finally the Sum output is the sum of both A plus B sections.

MECHANICAL:
Format: Eurorack
Width: 6 HP
Depth: 4 cm

ELECTRICAL:
Max current: +50mA/-50mA
Bus Board Cable: 8 × 2 IDC (Doepfer style) connector

Notes: Inspired and officially licensed from Teia's Stochastic Function Generator which was introduced in 2013 but is no longer available. This earlier version served as an inspiration, but with a completely rebuilt and reprogrammed mcu to a fully featured 4 voice 2 stage envelope and slew generator.

ADDAC System ADDAC506B VC Stochastic Function Generator Expansion Module (black faceplateADDAC System ADDAC506B VC Stochastic Function Generator Expansion Module (black faceplate
This expansion allows extra I/O to the ADDAC506, namelly:

Four trigger inputs for the random engine.

Four CV random outputs from the random engine.

Notes: ADDAC710 is a dual channel Isolated DI box and is all about keeping the sound coming from your Modular free from any undesired noisy interferences, making sure that what you're getting from your outputs is what your Modular is actually producing. It provides galvanic electrical isolation between the Modular system and external sources preventing impedance mismatch and ground loop induced hum. ADDAC's 710 circuit is designed around a unity 1:1 type Low-cost Audio Transformer operating in the 20 Hz to 20 KHz range, this impedance matching transformer provides two fully balanced outputs (via XLR connectors). ADDAC710 is a low-cost alternative to the ADDAC800X High-End Outputs module, we redesigned the original circuit using a smaller low-cost transformer that also reduced its depth allowing it to fit shallow Eurorack cases.

There are two independent channels on the module with:

Audio Input

LIFT/FLOAT/GND toggle switch
Signal overload warning led
XLR Output

The LIFT/FLOAT/GND 3-way switch lets you choose between lift, ground or floating ground.
In the LIFT position (left) the module circuit will be "lifted" to ground through a 100R resistor and a 10nF capacitor.
In the FLOAT position (middle) Ground will not be shared leaving ins and outs grounds completely apart from each other fully isolating both signals. in the GND position (right) Ground will be shared between inputs and outputs, here no isolation is used.
Any of these three positions may be the best form of avoiding ground loops or any other undesired interference occurring between your modular and the sound system you're plugging it into. Try out which one of these options will work best in any given situation.

Tech Specs:

6HP
4 cm deep
40mA +12V
40mA -12V

The importance of using Audio Transformers
Applying a transformer balanced output isolation has lots of advantages over other less expensive ways for dealing with ground loop issues. This method provides the chance to set a very simple and clean circuit in which the signal transfer process develops smoothly and humming free. The transformer is a device that performs both signal balancing and high-to-low (or vice-versa) impedance conversion, while rejecting straggled DC voltage and Radio Frequency Interference from signal passing through a magnetic bridge. In a transformer, two (or more) coils (called windings) of insulated wire wound around a magnetic metal core allow for its input(s) and output(s) not to be physically connected together. When an AC signal passes through the input winding (the primary), a perfectly related AC signal appears on the output winding (the secondary). This way, by the fact that signal flows via inductive coupling between the two windings of the transformer, this module presents a most accurate electrical isolation between its input and output. A same number of windings on each coil guarantees that there's no gain loss when audio signal passes from the primary to the secondary windings. Furthermore, since these two windings are insulated from each other, the transformer will electrically isolate ADDAC710 from any other device, preventing hum problems coming from an outsider ground. Being a low-cost transformer the frequency response curve is not as linear as our 800X, still the -0.2dB attenuation at 50Hz feels negligible.

Phantom Power

+48V Phantom Power is NOT needed for the module to operate.
In any case having Phantom Power ON won't influence the module operation.

Notes: ADDAC809 is a dynamic CV operated I/O router that allows one source (Audio or CV) to be routed through 2 different chains (of one or more modules) before being sent to an output.
Six routing patterns are allowed:

1. IN > OUT
2. IN > CHAIN A > OUT
3. IN > CHAIN B > OUT
4. IN > CHAIN A > CHAIN B > OUT
5. IN > CHAIN B > CHAIN A > OUT
6. IN > > OUT
A practical example is to have an audio source, a delay and a looper.
And the question: should the delay be placed before or after the looper? Sometimes you may need the delay to be before the looper as you may want to sample the audio with the delay or sample the pure audio source and apply the delay afterwards.
This small utility module solves this issue on the fly without having to repatch anything.

INPUTS & OUTPUTS

TO CHAIN B: Connect to your Chain B input
FROM CHAIN B: Connect to your Chain B output
TO CHAIN A: Connect to your Chain A input
FROM CHAIN A: Connect to your Chain A output
INPUT: Connect to your Input Source
OUTPUT: Connect to your Output Source

ROUTING PATTERNS

There are 2 ways to address the six routing patterns:

Buttons: using the frontpanel push buttons and/or dedicated trigger inputs to latch between 2 states.
BYPASS: Chooses between Pattern 1 and any other pattern
PARALLEL: Chooses between Pattern 6 and any other pattern
ORDER: Chooses the order A before B or B before A
DUAL/SINGLE: Chooses to use a Dual (A>B or B>A) or Single chain (A or B)
CV: The dedicated CV input expects a 0 to +5v input and allows to jump to the precise routing pattern using a specific voltage interval in increments of approx. 0.83V:

Pattern 1: 0v to 0.83v
Pattern 2: 0.83v to 1.66v
Pattern 3: 1.66v to 2.5v
Pattern 4: 2.5v to 3.33V
Pattern 5: 3.33v to 4.16V
Pattern 6: 4.16v to 5V

Tech Specs:

Width: 12 HP
Depth: 55mm
Current: 80mA +12V / 30mA -12V

Notes: DVCA

DVCA is a dual VCA based on the Mutable Instruments Veils. It features two separate voltage-controlled amplifiers, both with a gain and a response curve potentiometer, that is variable from linear to exponential. The outputs are normalized, so when no patch cable is present on output 1, output 2 will contain both signals, allowing the module to be used as a mixer. Several DVCAs can be daisy-chained for voltage-controlled mixer operation. It comes with jack lights that can be disabled via a jumper on the back.

These modules use tall bushing potentiometers to offer a more stable feel.

The module is fully assembled and tested. Eurorack power cable included.

Notes: SHTH - Sample and Hold - Track and Hold

Create stepped outputs using two different classic synthesis techniques, sample & hold and/or track & hold.

Sample & Hold

The top four jacks make up the sample and hold section. There is a noise output that is normalled to the input so you can pass a gate/trig signal into the SAMP input to get a stepped output at the OUT jack.

IN - Signal that will be sampled, normalled to NSE output
SAMP - When high updates the voltage being sent to the output
NSE - White noise output
OUT - The sampled output (freezes the value from the IN jack when the SAMP jack receives a high signal)
Track & Hold

The bottom four jacks make up the track and hold section. There is a walk signal (a randomish meandering voltage) that is normalled to the input. Track and hold is the opposite of sample and hold in that it will pass the IN value to the OUT jack until the TRACK input receives a high gate. While the TRACK input is high it will hold the value. After the TRACK input goes low, it will begin tracking the IN signal again.

IN - Signal that will be tracked
TRACK - When high the value will be held at the output
WALK - A meandering voltage
OUT - The track output (follows IN while TRACK is low, held voltage while TRACK is high)
CC-BY-SA Emelie Gillett

Notes: The Low Fat is a new 2hp Eurorack module by AJH Synth, it's a High Pass filter, with frequency control by either manual pot, and/or external CV with attenuator. It's intended to compliment other filters, particularly low pass VCF modules, in practical tasks such as removing excessive low frequencies, for example when the bass is swamping a mix. It can be switched between 6dB (1 pole) response and 12dB (2 pole) response.

By patching a CV signal to the FCV input it can be voltage-controlled and used musically as with any other VCF. When used in conjunction with a LP filter it forms a fully customisable band pass filter, allowing the range of passbands to be cherry-picked. Feeding in a 1V/Oct pitch CV and setting the FCV pot to a suitable level allows it to track an incoming pitch CV, so the amount of High Pass filtering remains constant as the pitch of the incoming VCOs traverse up and down the frequency range. This can be particularly useful in creating percussive sounds, such as snares and hats, but also on sequenced bass lines. Since it is only 2HP it's a great way to occupy one of those frustrating gaps in your eurorack modular case with something that is deceptively useful, and adds another dimension to the classic bass monster that is the Transistor Ladder Filter.

Dimensions:
2 HP
26 mm deep

Current Draw:
9 mA +12V
12 mA -12V
0 mA 5V

Notes: This is a precision active buffer and multiple. This module has outstanding performance: it features very high input impedance, very low output impedance and an offset voltage of <1mV.

Not all active multi's are born equal, some designs do not fully solve impedance mismatch and tracking problems, or they apply offset voltages to the output and in rare cases can cause more problems than they solve!

AJH Synth have added a very useful (and unique) feature to cure tracking problems: four of the five outputs can be adjusted up or down by +/-5% from the front panel, so that VCO's and VCF's that don't track 1V/Oct exactly can be easily compensated to track correctly without having to re-calibrate the VCO or VCF themselves.

Notes: Expander module adds four more assignable CV inputs to Squid Salmple for advanced modulation and sample manipulation. A must for all Squid Salmple owners.

Supplier's Notes:
AXON-1 is a 4HP expander module for the SQUID SALMPLE that provides 4 additional freely assignable CV inputs.

The addition of AXON-1 brings Squid's total number of CV inputs to 7, greatly increasing the possibilities for vast modular sample manipulation.

Each modulation assignment includes digital attenuation and offset and behaves just like Squid's 3 built in CV inputs.

AXON-1 requires firmware 166 or later installed on the Squid Salmple to function!

Notes: 'Beast's Chalkboard' is dual channel stepped voltage source and adder for your eurorack modular synthesizer system. It primarily is intended as a dual octave switcher for VCO's but has many other uses including sequence transposition, FM ratio creation, buffered CV distribution and VCO calibration.

Technical Specifications:

Supply: +/-12V (Reverse voltage & polyfuse protection)
Current Draw: ~30ma
Size: 6 HP
Depth: 22mm (including power header)
Offset Error: +/- 10mV

Notes: ***B-STOCK: Box opened, but product is in excellent condition and in perfect working order***


The BXx2 is a dual channel preamp, EQ and mixer based on the classic Boss BX series mixers. With the inclusion of both input gain and level controls, each channel can be overdriven, producing the signature saturated and lively sound the BX mixers are known for. The EQ controls provide the channels with simple but great sounding high and low shelf EQs for emphasising and shaping sounds and an additional 'Aux' input allows another mixer or extra sound source to be chained in.

Input gain controls

Sets the input gain of the channel preamp. Higher settings will cause source to overdrive the channel.

Inputs

In 1 - Input to channel 1 of the mixer.

In 2 - Input to channel 2 of the mixer.

Aux - Auxillary mix input for chaining with another mixer or extra source.

Fixed gain (-6dB).

EQ High

Sets the gain of the fixed high shelf EQ. Boosts high frequencies when set above 12 o'clock and cuts when set below.

EQ Low

Sets the gain of the fixed low shelf EQ. Boosts low frequencies when set above 12 o'clock and cuts when set below.

Level

Sets the channel level in the mix. Use level controls to trim back volume when overdriving the preamp.

Output

Audio output producing the mix of the 3 inputs.

Technical specifications

Power: +12V 10mA / -12V 10mA
Size: 8HP
Depth: 32mm

The BXx2 was designed in collaboration with Feedback Modules and is based on their single channel 'PRE BX' module.

Notes: The 'MCO' is a compact digital oscillator. It features a main 'morphing' wavetable output, an additional copy of this output with overlaid variable pulse width segments (ala Alpha Juno style saw wave pwm) and a sub square wave output an octave down to the main output. The waveform and pulse segment width and be both directly and voltage controlled. The pulse segment distribution can also be voltage controlled via the 'type' input.

Expect an early 90s slightly crunchy digital type sound (ala Ensoniq, Kawaii KX synths) rather than something striving for perfect analog emulation.

Notes: Think of the MFD like a tiny DJ mixer: two stereo inputs, one stereo output, with the option to cue either input and crossfade between the two. A simple idea very well executed.

Supplier's Notes:
Inspired by DJ mixers, the MFD allows you to cue and crossfade between signals. Ideal for live performance as well as jamming out ideas in the studio.

Supplier's Notes:
The 'MFD' is a 2-channel stereo crossfader designed for live DJ-style mixing and jamming in Eurorack. Two mono or stereo inputs are mixed to a single stereo output via direct or voltage control. Additional Cue controls provide preview monitoring of either input pre-mix via dedicated Cue switches and an output.

Voltage control over the crossfade and DC coupling allow for further creative uses such as a high quality stereo VCA or as a mix processor for either stereo audio signals or CV.

The MFD is designed to have very low noise and cross bleed and employs equal power crossfading for smooth constant level blending between signal sources.

Features:

Two channel stereo crossfader with voltage control.
Approx equal power crossfading.
Cue output switches for direct monitoring of either stereo input (pairing well with HPO for headphone monitoring).
Can be used as a high quality stereo VCA.
DC coupled for use with both audio and CV.
Skiff friendly with reverse power protection.
Two year warranty.
Made in England.

Ideal For:

Smoothly blending and monitoring 'tracks' or 'scenes' during a live set.
High quality VCA use for stereo based sources.
Voltage controlled crossfading and mixing of both CV and Audio signals.
Other advanced uses including audio rate modulation, stereo panning effects and a CV controlled FX send.

Technical Specifications

Supply: +12V 70mA / -12V 70mA

Size: 6HP

Depth: 32mm

Notes: The mmMidi is a simple & compact MIDI to CV interface for your Eurorack synthesiser. It translates both MIDI clock and 2 Channels of MIDI note, velocity and gate information to corresponding voltage control signals. The mmMidi is quick to set up and requires minimal configuration.

Notes: The ‘Pip Slope’ (rev II) is a compact envelope and function generator. It supports both Attack/Decay and Attack/Sustain/Decay type envelopes with both direct and voltage control of Attack and Decay times. Envelope shapes can be morphed between exponential, linear and logarithmic type slopes. Envelopes can be made to loop, repeating infinitely or decreasing with time or amplitude for echo and bouncing ball type effects. An ‘End of Cycle’ trigger output further extends the envelopes functionality for both clocking and burst or fill type effects.

The improved Pip Slope adds a number of new features and updates over the original Pip whilst keeping the same size. Improvements include increased output resolution, finer control of fast envelopes, a new morphing shape control, switchable 5v or 8v maximum envelope level, additional loop modes and an additional trigger output.

Features:
Compact envelope and function generator in 4HP.
Trigger and gate inputs.
Voltage and direct control of attack and release times.
Snappy or super long envelope times – ranging approx 1ms to 7 minutes per stage.
Optional self looping ability with 3 different loop modes: Decreasing amplitude, decreasing time, and regular loop.
Shape control that morphs the envelope shape from logarithmic to linear to exponential curves.
End of Slope trigger output that fires a trigger at the end the envelope or loop cycle.
Selectable 5v or 8v max envelope level output.
Reverse polarity protection.
Skiff friendly.
Designed and Made in the UK.

Technical Specifications
Supply: +12V 30mA / -12V 10mA
Size: 4HP
Depth: 38mm

Notes: PRO Expanders:

Extra Pam Outputs.

ALM034-EX

PPEXP1 & PPEXP2 are two expander modules for Pamela's PRO Workout that both offer additional dedicated fixed clock, Din Sync & MIDI clock outputs.

Extend Pam as a master to clock external gear with super solid dedicated MIDI & Din Sync clock outputs. The Din Sync clock (x24) and Run outputs can also be patched into a 2nd Pam to easily sync it.

Use the extra fixed clocked gate outputs to free up Pam's main outputs for unique sequencing or complex modulation duties.

Connects directly to and is powered by the 'MIDI-EX' expander header on rear of Pamela's PRO Workout.

Only a single output expander is supported at any time but either can be used alongside an AXON-1 CV input expander.

A MIDI adapter cable and a Din Sync adapter cable are both available for connecting to 5 pin 'Din' type connectors. The PPEXP 1 includes a MIDI Din adapter cable.

Technical Specifications

Power: Additional approx +12V 40mA (PPEXP1) / 20mA (PPEXP2)
Size: 4HP & 2HP
Depth: 32mm

Notes: Expandoor

The Expandoor gets you quickly and simply using AMP's Melody Oracle, Star Song, or Touch Tones (as well as other possible future devices) as a CV and Gate controller. It outputs Eurorack-compatible CV and GATE signals, transforming your AMP device into a versatile and novel modular synth sequencer or controller. The Expandoor can be used as a standalone tabletop box, or mounted in a 3U 10HP rack space.

Three independent GATE outputs:

Just as the three "Register" zones on your AMP device gate the audio for the three octaves of the built-in synthesizer, there are three corresponding gate outputs on the Expandoor. The 1/8" jacks labelled "BS" "LH" and "RH" output ~11V DC gate signals whenever those zones are gating "ON" on your AMP device.

CV output, tuners and LED indicators:

The jack labelled "CV" outputs a tuned set of CV values (0-11V), tuned independently but correspondingly, to the set of tuners on your AMP device. The row of multi-turn tuners on the front panel allow fine tuning of each CV state. One tuner is active at a time, depending on the state of the "INTERVAL" zones on your AMP device. The active tuner is conveniently indicated in real time via lights found to the right of the tuners. The indicator lights serve a second function of showing you which tuner on the controlling AMP device is also active in parallel.

AMP LINK jacks

The AMP LINK jack on the bottom left of the front panel (with the arrow pointing IN) connects your controlling AMP device into the EXPANDOOR. Use only shielded CAT 5 or CAT 6 cables and connectors (the correct cables will have metal end connectors). The AMP LINK jack on the right outputs a signal identical to the input, allowing chaining of multiple Expandoors and/or Wave Expanders. Do not plug more than one AMP controlling device into a single Expandoor simultaneously, or damage to the devices could occur.

Each controlling device requires its own Expandoor or Wave Exapnder, but multiple expansion modules can be chained from one controlling device. One potential benefit to chaining expansion modules is the ability to output multiple tuned, corresponding but independent, CV channels. Meaning multiple sets of harmonic values could be tuned and accessed at the command of the single controlling AMP device, or accessed via other modules in your system.

Tech specs:

Input: AMP LINK via shielded CAT5 or CAT6 cable
Power: 12V DC Supplied via AMP LINK
Outputs: 3 Gate (~11V unipolar), 1 CV (variable 0-11V unipolar)
Tuners: 8 multi-turn fine tuners for CV, with indicator lights
Size: 3U 10HP (approximately 5.25" H x 2" W x 1.5" D)

Notes: Taking equal inspiration from gritty delays on cheap mixers, the sounds of dub and the fracturing of consciousness in time and space, the Coma Reactor looks like a deceptively simple delay module... till you start digging deeper.

The Coma Reactor boasts the crunchy sounds of the PT2399 chip, but adds a number of useful routing possibilities that really open it up for sound mangling that transcends the norm.

Independent volume controls for dry, wet as well as FX loop return allow you to blend in clean, delayed and affected sounds to suit your needs. A CV input on the module increases or decreases the delay time, going from slight tape-echo warbles to some truly seasick pitch shifting. A buffered clean through allows you to pass an unaffected unity gain to a mixer or other device.

The Send/Return path allows you to process your delay signal through another effects unit. Without anything plugged in, a truly nasty bandpass filter lurks in the delay feedback path. The 2022 edition of Coma Reactor features Frequency (CV controllable) and Resonance knobs for this filter.

Lastly, this completely delirious module is also capable of generating noises and oscillating with no input attached, making it a useful soundtrack generator for the end of the world.

The 2022 Coma Reactor includes a breakout header for future integration with upcoming AFA expander modules.

Power consumption: 39mA at +12 V and 21mA at -12 V
Depth: 22mm
HP : 12

Notes: Full-blooded distortion - Pit Viper is a solid state overdrive for hard-boiled musicians. The circuit can generate clean, beefy signal boosts. However, its true strengths lie in aggressively screaming distortions with a tangible character.

Pit Viper comes equipped with the following control elements:

- Toxicity: Gain potentiometer - Please turn up for heavy distortion.
- Hiss: Tone knob - Turn clockwise to cut the treble.
- Venom: Volume potentiometer
- Fear: Three-stage soft clipping switch - Activates normal soft clipping or a more tube-like version with less treble.
- Malice: Three-stage hard clipping switch - Activates beefy hard clipping or a spongier version with less treble.
- Blend: Dry / Wet potentiometer
- Bite: CV input plus attenuator to cut the high frequency range. Without a cable plugged in, the knob can be used for adjusting the treble manually.
- Saturation: CV input plus attenuator and on/off switch to influence gain and saturation.
- Filter: CV input plus attenuator and on/off switch to control the Viper's VCF circuit.

Via a jumper on the circuit board, users can choose between several filter types:

- Passive clipped low pass
- Unbuffered high pass
- Buffered high pass
- Buffered low pass

Furthermore, there is a trim potentiometer on the circuit board, which can be used to adjust the gain.

PLEASE NOTE: Any scratches on the front panel are part of the Pit Viper's design.

Notes: Each of the two sections of the module is capable of performing the analog multiplication of two signals (A and B) and add an offset (C). It can also act as a dual voltage controlled attenuverter, dual ring modulator, dual VCA or four channel mixer (see block diagram below).

The B inputs are routed to an attenuverter that multiplies the signal between -2 to 2, while the offset inputs (C) route through a unity gain attenuverter (multiplies the signal between -1 and 1).

The output of first section is routed to the output of the second (when the first's output is unused), so the second output can act as master to achieve (A1*B1+C1) + (A2*B2+C2) or (A1 + C1) + (A2 + C2) - a 4 channel mixer.

The through-zero (four-quadrant) multipliers in the A*B+C allow for true Ring Modulation. To achieve this, simply connect two waveforms to the A and B inputs.

Notes: Inamp is a dual pre-amp in just 4 HPs. Featuring 6,3 Jacks inputs as well as Minijacks.

Both inputs are summed so you can use them at the same time as an input mixer.

The unit is designed to amplify up to x20 the input signal, allowing to amplify most of the music machines out there (Domestic line levels) as well as some guitars (Humbucker-like pickups and so).

The first channel is normalled to second one in series, so it's possible to have two stages of amplification or two separate ones.

Notes: A compact attenuverting (attenuator-inverter) joystick controller and Gate Generator. With it, you can generate and process two control voltages using only one hand. Provided controls for CV ranges and offset adjust the boundaries of your control, this way it never gets out of the desired range, ensuring sensibility and playability even with wild performance gestures.

Specifications

Current needs: +12V: 25mA, -12V: 10mA
Width: 12 HP
Depth: 35mm (including power connector)
Aluminium, heat-treated front panel.
Designed, kits prepared and completed modules assembled in Barcelona.

Notes: A four channel mixer, suitable for audio or control signals. It features regular and inverted outputs as well as an LED level meter.

Specifications:
Current needs: +12V: 21mA, -12V: 10mA
Width: 5 HP
Depth: 20mm (including power connector)
Aluminiun, heat-treated front panel.
Designed, kits prepared and completed modules assembled in Barcelona.

Notes: Befaco's new Output Module is designed to be the master output for your modular system, providing an extra Cue Input to monitor any signal.

Left IN is routed to both channels when no Right signal is present. Both Outputs are TRS balanced.

A Headphones out is available. You can route Headphone OUT to the main out or an independent signal with CUE switch. Like this you can either pre-listen your sounds with the CUE Input or listen to your main out without disturbing your neighbours!

Level LEDs are available to monitor levels of each signal on the module.

Notes: Stmix is a compact 4 channel stereo mixer with an Auxilliar input. This input will allow us to chain a few of them or to insert an extra fifth input.

This module is compatible with Befaco's Hexmix system, and can be internally connected to hexmix module to add the output of STMIX to your main mix.

Specs

Current needs: +12V: 8mA, -12V: 10mA
Width: 6 HP
Depth: 20mm (including power connector)
Aluminiun, heat-treated front panel
Designed, kits prepared and completed modules assembled in Barcelona

Notes: An accurate Manual Voltage Source.

Voltio fits somewhere between a music tool and a piece of electronics lab gear.

It generates voltages equivalent to all the notes on the 12-tone equal temperament scale throughout a ten-octave range, with an intuitive two-knob interface.

The Precision Adder In, lets you sum Voltio's Out with external voltages.

Additionally, the front panel banana connectors let you plug standard multimeter probes for hands-free operation on electronics lab.

Use it to transpose Oscillators and sequences in a musical way or as a reference to calibrate your analogue gear.

Features:

Easily adjust your oscillators in known intervals.
Transpose Musical phrases from sequencers, arpeggiators, or any other notes source.
Calibrate oscillators and filters on your DIY projects or during analogue gear maintenance.

Specs:

Current needs: +12V: 35mA, -12V: 15mA
Width: 6 HP
Depth: 30mm including power connector
Designed, kits prepared and assembled in Barcelona.

Notes: This is a complete mini synthesizer that only requires CV and Gate from your midi to CV converter. You can use an AKAI Mini Keyboard or Arturia KeyStep for example. As long as the product has CV and GATE outputs, you can musically control the CSVCO module. This is a great first-time module, or a great percussive voice to add to your electronic singer section.

The CSVCO is similar to the 'toy' algorithm on the mutable braids module, and the weird noise ring (kinda).

-When the Shift Register is put into random mode using the toggle switches you can create the classic arcade noise sound found on the Atari, and defender arcade game.
-The shift register can loop into more musical overtones, using the toggle switches, that also resemble early Atari pulse wave sounds.

These are the only two modules that BLM were able to confirm use the same related approach of using many pulse harmonics to sculpt the sound. There is no firmware, or simulation happening on the CSVCO. The module is an analogue and CMOS logic hybrid module. There are many modular sections involved to make this happen. It would take many modules to attempt to make your own CSVCO patch on your modular.

You would need the following: Triangle VCO, x2 clock generator, Shift Register module, High Pass Filter, VCA, Envelope Generator, Sub Division Pulse Generator Module, Logic xor, Logic AND, Logic Invert modules, and a mixer module. This would easily take up 64-84hp. Such a complicated patch on your system would probably not work as good as the CSVCO.

It can also be used for bright percussive sounds. All of this tracks +5 octaves, musically.

The CSVCO contains so many over tones (mathematically sub divided), that it is indeed producing chords. The EXT trigger input 'rolls the wheel of chance', and changes the overall tone of the shift register.

The CSVCO seems to sound more 'Minor' at times, it gives out a more creepy, spooky set of chords upon changing up the shift register.

Width: 8hp
Current: +150mA, -140mA

Notes: BLM Deluxe VCLFO

This module is a tricked out 2023 version of the simple VC LFO 4hp module.

Digital or Analog?
Analog
Triangle Core, with tilt function (slew) to make Saw/Ramp shapes

Why does it matter?
Since this is analogue, the signal is very smooth.

LFO Speeds: Slow, Hyper (Audio Rates), normal ranges.

Output Shapes Available: Triangle, Sine, Square, Sinus Spike

All wave forms can be distorted with the Skew knob.

Sync/Reset circuit with high quality JFET chopper on the main timing capacitor. There is a threshold 'SYNC' knob that will manually stop the oscillation passed the 12 o'clock position.

Otherwise, a gate or trigger signal will brute force reset the LFO.

LFO CV Modulation input with Level input control.

Width: 6HP
Current: +30mA -28mA