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Notes: The SVF is a 4hp 2 pole 12dB State Variable Filter Eurorack Module available as a Eurorack DIY Kit, PCB and Panel, or Built Module.

It provides Low Pass, Band Pass, and High Pass outs inspired by WASP and Thomas Henry filter topologies. The filter has 2 audio inputs, but channel 2 is jumper selectable between standard audio in or Ping-able operation. The 2019 revision also adds improved cutoff and resonance response and attenuversion through the ACV IN using the above pot. CV IN provides another unattenuated voltage input to modulate the frequency.

At the CV in, +10v will open the filter completely if the cutoff pot is CCW(counter clockwise). With the cutoff knob at noon the filter can be opened with +5v or closed with -5v. CV input at the ACV in is dependent on the CV attenuverter knob.

There are also several jumper selectable modes for max resonance, self oscillation or no oscillation based on the setting of the resonance pot. According to the jumper configuration, the filter is capable of clinical and clean, to juicy and drippy, to low pass gate sounding plonks, to screaming chaotic resonance. When set to self oscillation mode, the filter can produce a sine like wave with no input and a trapezoid like wave in the max resonance jumper setting. In max resonance mode, the filter output can exceed 10Vpp. On the newest version, there is a trimmer on the top pcb to set the lowest cutoff frequency.

The new black and white pcb/panel is reversible meaning, one side is classic (first picture) and the other side is soulless (second picture).

Notes: The Foldiplier is a 4hp odd/even harmonics generator with 2 different oscillating feedback paths. The folding core of the design originates from the odd harmonics (middle)section of the Serge Wave Multiplier. But the Foldiplier adds voltage control over the symmetry and offset as well as a switch for feedback, jumper selectable between, a transistor based oscillating fuzz inspired by the Hemmo Bazz Fuss with a lot more low harmonic content and a passive oscillating half wave rectification circuit with more high harmonic content. When these feedback oscillations mix with an incoming waveform some unpredictable and unique nonlinear timbres can be achieved. The module can also be used as a no-input experimental oscillator with the feedback switch engaged. All diodes in the module are silicon.

The Fold knob controls the amount of times the waveform is folded in on its self (indicated by the red led window below the knob). The C.V. knob below is an attenuator for incoming control voltage corresponding to the Fold jack(indicated by the red led window above the jack, it only responds to positive voltage). So, the Fold knob acts like an initial amount of folding depending on its position. For example, with the Fold knob fully clockwise you can get even more folds with a control voltage in at the Fold jack. The Offset knob controls how much positive DC voltage(0 to 5v, clockwise) or negative(0 to -5v counter clockwise) DC voltage(indicated by the led window above the Offset jack, red for positive, yellow for negative) injected into the waveform via the Symmetry knob. With the Offset knob position at noon(0v) there will little effect from the Symmetry knob. The Offset jack is expecting +5v to -5v with knob position at noon to scan through the positive and negative voltage. The Symmetry knob controls the amount of negative or positive offset voltage(dependent on the Offset knob) mixed with the waveform(indicated by the yellow led window above the Symmetry jack). If positive voltage is mixed with incoming waveform more folds will occur on the positive troughs of the waveform, likewise, when negative voltage is introduced more folds happen on the negative troughs. This part of the circuit can also be broken down by thinking of the Offset as a voltage controlled crossfader swinging between positive and negative voltages into a VCA controlled by the Symmetry knob and jack. When a voltage is present at the Symmetry jack the Symmetry knob becomes an attenuator. The Symmetry jack only responds to positive voltage.

Width: 4hp
Panel Material: Double Sided PCB panel with Classic and Soulless
Reverse Power Protected
Current Consumption: +12v: 40mA, -12v: 35mA
Depth: 47mm or 1.75"
All through-hole build
Ships with M3 black nylon screws
Expandable: No

Notes: Creatively inspiring business from Xaoc as usual. The Erfurt is a digital phase accumulator, digital oscillator, binary counter or clock/audio frequency divider. Versatile stuff.

Supplier's Notes:
Xaoc Devices Erfurt is a digital module that may be used as an 8-output clock and audio frequency divider, a bi-directional binary counter, or a component of the Leibniz binary system, i.e. a programmable digital oscillator.

Erfurt features an 8-bit register which holds its current state: an 8-bit number representing digital values from 0 to 255. The state is available at the front panel via eight binary (5V gate) outputs and reflected by the 8 status LEDs. There are three clock inputs: one incrementing the state at each impulse, one decrementing, and one resetting the state to zero. The state may also be changed manually with two buttons.

When operating alone, the state of Erfurt changes by 1 at each impulse from the clock inputs, so that it counts from 0 to 255 in a cycle (modulo 256). This yields the signal frequency divided by 2, 4, 8, etc. up to 128, available at individual bit outputs. Depending on which clock input is used, the clock patterns correspond to the so called mathematical or musical divisions of the rhythm.

With two different clocks patched to the inputs, the counter alternately increases and decreases its state, and ultimately it counts with a rate proportional to the frequency difference between the clocks. A third clock patched to the Reset input may be used to shorten the sequence thus making the cycle incomplete for even more rhythmic diversity.

When there is a Leibniz data source connected at the back (even as simple as Lipsk), the state increases or decreases in larger steps, depending on the data present at the Leibniz bus (eg. the value programmed by the Lipsk buttons). The counter overflows quicker, and produces more complex patterns.

The state of the counter may be used as a phase input to a digital wave table. Connected to other Leibniz modules, Erfurt may play various roles, eg. it may scan waveshapes in Jena, produce stepped voltages useful for making interesting glissandi with Drezno and any VCO, generate gate patterns animating the spectrum of Odessa harmonic banks, spawn pseudo-chaotic sequences when fed back to Lipsk, etc. Since Erfurt is based on CMOS logic (no CPU!), it can be clocked at very high frequencies (exceeding audio rate), therefore some selection switches are provided for clock pre-scaling.

Dimensions:
6 HP

Current Draw:
25 mA +12V
30 mA -12V
0 mA 5V

Notes: Updated expander module for the Moskwa II sequencer. The Ostankino adds additional connectivity to the Moskwa II, allowing CV control of most parameters, plus extra outputs.

Supplier's Notes:
Ostankino II expander adds CV inputs for many Moskwa II functions, as well as a transpose input, clock out and individual gate/bit outputs for each step.

Notes: Gera is a component of the Leibniz subsystem that allows masking individual bits of the digital data by the use of logical AND operation.

It features 8 individual gate inputs that affect the individual bits of data, as well as 8 illuminated tact switches for manual inverting of each control input. When connected to Drezno that is processing a waveform or voltage, masking of individual bits yields various forms of quantization. However, Gera can function on its own. The AND operation is a basic building block for sequence automation, chaos and rhythm generation, and various computer-like modular patches.

Bit processing logic in Gera is hardware based, hence there is virtually no latency, and the binary signals may change at extreme rates.

Main features:

Logical AND operation on Leibniz data
Masking of individual bits controlled manually and by gate signals
Visual indication by illuminated buttons
6HP
30 mm depth (including ribbon cable brackets)
- +12V: +45mA / -12V: 0mA / +5V: 0mA

Notes: Lipsk facilitates the inversion of the individual bits produced by Drezno (or any other module connected to its input header at the back), and delivers the resulting code to its output header. Bit inversion can be manually controlled by pressing any of combination of its eight illuminated buttons, or it can be automated by patching gate signals into its gate input sockets. An active (5V) gate flips the state of the respective bit. If the button is active (bit already flipped), then the gate flips the bit again yielding double inversion (no inversion). The corresponding LEDs show the combined effect of both manual and gate actions. The bit processing logic is hardware-based, so there is virtually no latency, allowing the binary signals to be manipulated at extreme rates.

Notes: A simple noise generator and 4 band fixed filter bank.

The noise is normalled to the Filterbank input. The cutoff frequencies are matched to the Bark Filter, so that four bands of the Bark Filter correspond to a band on the Noise & Filter.

It is a small and quick noise source and pairs well with Scan & Pan and Amp & Tone.

HP : 4

Notes: The 8S is an 8 step sequencer in 8 HP with control over some parameters of the sequence as reset, hold, random step and direction. The inputs have been designed to work with clock related signals like triggers or gates but any type of CV signal can be used. The output signal path is completely analog and its range can be set to unipolar (0 to +5 volts) or bipolar (-5 to +5 volts) via jumper on the back of the module.

Technical specifications:

8HP

38 mm depth

Consumption: +12V: 25mA ; -12V: 5mA

Notes: The "Luskellader Frekans Izel" is a Low Frequency Oscillator (LFO) that can be used to modulate various parameters of the synthesizer, including pitch, filter cutoff, and amplitude. The module has 2 ouputs, with continuous morphing shapes available at the same time, one Square/PWM, one Saw/triangle/inverted saw. The LFO has a speed switch going from low to audio rates. The 2 knobs are : Speed and Morph. The module is 6HP wide and is made with quality components such as Nichicon/Panasonic caps and alpha pots.

HP : 6

Notes: The Fold Processor is a voltage-controlled wave multiplier and sub-octave generator. The circuit is based on a classic diode design that adds odd harmonics by folding the incoming signal, followed by subdivided square waves.

The wave folder creates new waveforms from standard sine, triangle, sawtooth, and square waves and includes a CV input with an attenuator, making it very easy to create beautifully animated folding sounds. Adjustable voltage-controlled Inject alters the bias point creating an even wider palette of sounds.

The subdivide generator squares the fold output generating 4 more sounds spaced one octave apart, each with its own gain knob and mixed to the Subdivide output jack. Mixing the four can create anything from discordant square wave swarms to sweet harmonic oscillator stacks, from a stable square version of the folded wave to freaky PLL-like glitched slides.

Overall results can sound evil at times and sweet at others, a true multi-faced devil.

Size: 12HP
Depth: 31mm
Power: +12V 60ma / -12V 55ma

Notes: Introducing the SD808, part of our new series of drum modules that brings analog percussion to the modular synth world, instantly turning your system into a self-contained music machine.

The SD808 is the TR-808's analog snare drum circuit adapted for use in Eurorack modular synthesizer format and was designed to sound like a fresh-out-of-the-box, 1980s TR-808 snare. Adapting the circuit to the modular format has allowed us to add special features like independent accent levels, a high-powered gain stage, a dual-input pulse-shaper, and an adjustable noise source - all without compromising the signature sound of the TR-808 snare drum.

The SD808 sounds tight and extremely snappy because it's analog - the real thing, not samples. The sound is made with three analog sound generators mixed together: two oscillating sine waves and a noise source. The SD808's front panel controls have a lot of sweet spots with sounds that are not just limited to snare drum sounds; it can also create other electronic percussive elements.

The noise source generator in the original TR-808 machines were revised in later production batches, resulting in variations in sound across the production run. The SD808 uses this later, revised circuit to create a snare drum hit that is slightly darker, has more body, and is more realistic. Just like other drums in this series, the SD808 includes a high-powered output gain stage capable of producing signals up to 20Vpp, allowing you to get an array of harmonized snare drums sounds with even tighter attacks. On the inputs, we have designed a dual-input pulse-shaper circuit so you can trigger the SD808 with Trigger/Gate signals from step sequencers, clock dividers, or any other pulse/clock sources. This eliminates the need to shape pulses sent to the module and ensures the same stable sound at peak power, regardless of your pulse source. All these unique features make integrating this legendary sound generator into your modular synth easy, unleashing the power of real analog drums.

Notes: Introducing the HATS808, part of Tiptop Audio's new series of drum modules that bring analog percussion into the modular synth world, instantly turning your system into a self-contained music machine.

The HATS808 is the TR-808's real, analog closed and open hi-hat circuits adapted for use in Eurorack modular synthesizer format and tested to sound just like it did back in the 80's. Adapting to modular foramt has allowed Tiptop Audio to add some special features for each voice, like independent accent levels, a high-powered gain stage, and a dual-input pulse-shaper. Filter Q and VC-Q knobs were added to the main band-pass filter for additional tuning and to allow you to generate crushed tones and self-oscillation at the knob's max position - all without comprimising the signature sound of the TR-808 hi-hats.

The HATS808 sizzling sound is made using six analog square wave oscillators mixed and processed by band-pass filters. This multi-oscillator design is what give the 808 hi-hat sounds their unique metallic character and akes each HATS808 sound slightlty different from one-another. The original "choke" circuitry that makes it sound so dynamic and tight is fully implemented, just like the original, but can also be disabled if needed, by disconnecting the internal connection between the two hats.

Just like the other drums in this series, the HATS808 high-powered output gain stage allows you to further harmonize the sound using distortion and clipping. On each input, there is a dual pulse-shaper circuit so you can trigger your HATS808 with Trigger/Gate signals from step sequencers, clock dividers or any other pulse/clock sources. This eliminates the need to shape pulses sent to the module and ensures the same stable sound at peak power, regardless of your pulse source. All these unique features make integrating this legendary sound generator into your modular synth easy, unleashing the power of real analog drums.

Notes: The CP909 is the TR-909 clap sound analog generator in Eurorack format. This is yet another low-cost analog drum generator from a legendary drum machine in your modular synthesizer, expanding your Tiptop Audio modular drum machine even further.

The CP909 is an exact reproduction of the original analog circuit and, with the addition of just one extra knob, "trashing" the frequency of the internal noise generator, we have added greatly to the spectrum of sounds that can be generated - all that without compromising the signature sound of the TR-909 clap.

The CP909 clap effect is made by a special triple-saw envelope generator that controls the gain of a VCA. The sound source feeding into the VCA is made by a quasi-random logic based noise generator; some might call it "digital noise" though this term might be misleading in today's world of microcontrollers and sound samples. What really makes the noise generator is a ring of logic gates, so primitive, so BO's, and that's the sound of the 909 Clap!

The CP909 includes a high-powered output gain stage capable of producing hot signals. On the inputs, we have designed a pulse-shaper circuit so you can trigger the CP909 with trigger/gate signals from step sequencers, clock dividers, or any other pulse/clock sources. This eliminates the need to shape pulses sent to the module and ensures the same stable sound at peak power, regardless of your pulse source. Based on the architecture of the 909, the Accent input is versatile and able to take in both CV and Gate signals for continuously changing dynamics. All these unique features make integrating this legendary sound generator into your modular synth easy, unleashing the power of real analog drums.

Notes: Welcome to the Forbidden Planet, an all analog multi-mode filter design influenced by the 1975 Steiner-Parker Synthacon model. Control the Forbidden Planet manually or through CV and take the sound of your Eurorack into new orbits.

Forbidden Planet has three filter input jacks: High Pass, Low Pass and Band Pass. The High Pass section is this module's signature sound - a crisp sharp-cut with no residue, designed to add High Pass filtering capability to Tiptop Audio's wide range of Eurorack modules. Send a throbbing kick drum through the High Pass section and filter out the the rumbling lows while maintaining the pulse of the beat. The Bandpass is clear and useful in isolating a pie-slice-range-of-frequencies while cutting off the low and highs, great for accurate sound design or sculpting audio into that sweet spot. The Low Pass is an airy classic 12db two-pole analog slope ideal for monophonic synth patches and filtering down to the essential low-end bass we all love.

The Forbidden Planet Resonance utilizes an internal feedback path which can sound smooth or aggressive depending on the knob setting. At a low setting, it emphasizes the cutoff harmonics, at middle settings it begins to self oscillate, and towards maximum setting it forms interesting tones and all sorts of chopped grainy bits of self-oscillation perfect for entering into a sci-fi world.

The Forbidden Planet is an impressive multi-mode analogue filter which adds a broader filter spectrum to the Tiptop Audio modular family and unlocks forbidden creative possibilities in a small package.

Size: 8HP
Depth: 30.5mm
Power: +12V 10ma / -12V 10ma

Notes: SOLINA, an emulation of the 70ies string machines!

The SOLINA module is based on th excellen work of Jan Ostman, who has developed a very good digital based emuation of the sound of the string synths that were popular in the music of the 70ies and 80ies, like ARP Solina (who gave this module it's name), Logan String and others.

Their unique sound is based on several, minor detuned sawtooth oscillators and an ensemble effect.

This module produces chords, which can be shaped in different ways, like selecting the base scale (minor, major), adding the 7th or a bass note and different variations of the chord. The sound can be shaped with a variable oscilator spread/detune, adding a phaser/ensemble and a tone knob for choosing the overall character between bass focused to only higher parts of the sound.

Notes: Stereo effects processing for Tangible's affordable AE modular system. Offers a total of 15 digital effect programs with CV control over three parameters each. Can run in Eurorack via an optional adaptor frame.

Supplier notes:
The MULTIFX module offers 15 different stereo audio FX programs, a wide variety from common FX like reverb and delay to unique effects like Ring Crusher or Glitch delay. Also a nice shimmer effect is onboard.

Each program has 3 parameters that can be adjusted and additionally be CV-controlled.

With a switch the sample rate can be reduced to half the normal rate, resulting in doubling the effect times (with reverb, delay...) and introducing a nice portion of aliasing.

It is based on the FV-1 DSP chip that is well-known from other FX-modules in the Eurorack world; the MULTIFX module offers the 7 factory programs of the chip plus 8 new and unique ones created by Tangible Waves.

Notes: DRONX is a special mixer designed especially for the DRONE38 module; if has 6 input channels (so you can connect two DRONE38 modules) and offers some sound processing capabilities: A tone control with bass and treble control, a distortion, and finally a dual delay with different algorithms. Two insert points allow to add up to two more audio effects to the internal signal chain. Together with the DRONE38 module(s) you get a quite nice drone synth for dense, dark soundscapes.

Of course, it can be used with any other sound sources!

Notes: The Octave Fuzz is SynthRotek's take on the classic 70's SuperFuzz circuit, made into a Eurorack module, which has improved on some aspects of the original as well, including an increased output.

Two distinct voices like the original: switchable between scooped midrange and massive midrange bump.

Aggressive: It will sound massive and in-your-face like no other circuit can. This is for sonic explorers and heavy music only. In short, it's not useful for EVERYTHING, but the things it DOES do it excels at. Sounds especially killer for keyboard and bass sounds.

Tuned to give a subtle distorted waveform one octave up via wavefolding (see the video to view this on an oscilloscope). (Completed modules come pre-tuned; there are calibration instructions at the end of the assembly instructions for the kits)

This circuit has been optimized for Eurorack. You can find a guitar pedal version here.

Current Draw:
32mA @ +12v
24mA @ -12v
0mA @ +5v

Notes: ***B-STOCK: Box opened, product in perfect working order***


OBEY is a dual-function module: one half envelope follower and one half attenuverter / offset generator.

Envelope Follower:
The OBEY takes an audio or CV signal and uses it to trigger an envelope or gate for use in a Eurorack system. It is designed to work with a wide variety of input levels: plug a Eurorack module, passive microphone, piezo, guitar, drum machine, Game Boy into your Eurorack system.

Attenuverter / Offset Generator:
Attenuvert your voltage sources up to two times in the positive or negative! The offset generator provides up to 5 volts in the positive or negative.

Specifications:
Module width: 4HP
Module depth: 48mm
Current draw:
+12V: 25mA
-12V: 18mA

Notes: ***B-STOCK: Box opened, product in perfect working order***


A LS1lightstrip but in THREE fat dimensions!

A matrix of awesome and a powerful and unique CV controller for your system.

LP1lightplane is an expanded, tri-dimensional LS1 lightstrip. The same functions are exposed on either axis plus pressure (z) for three times the fun!

Notes: Pont-Neuf is an adapeor module which converts between eurorack jacks (3,5mm / 1/8") jacks and banana plugs, providing a simple link between eurorack and Serge 4U systems. The module provides 8 bidirectional channels, is superslim and passive, i.e. does not require a power connection. It does provide a GND-banana-jack to establish a common ground between the systems.

Dimensions:
10 HP
24 mm deep

Notes: SPICE VCF is a 3 state (LP, BP, HP) Voltage Controlled Filter based on the SEM filter.

1 input and 3 individual outputs for High Pass, Band Pass and Low Pass.

CV inputs for Cutoff and Resonance.

Resonance system based on the SEM VCF one. It's capable of A controlled super round and nice resonance. With a bit of modulation this unit will make to talk your sawtooth wave.

The XMOD potentiometer sends the BP output the CV Cutoff input adding some distortion and a variety of resonance effects to the processed sound.

Dimensions
6 HP
34 mm deep

Current Draw
15 mA +12V
12 mA -12V

Notes: The Beautifier is a flexible OTA based filter, featuring a lowpass/bandpass switch and a selectable slope of 24db and 12dB. Two attenuated CV inputs for frequency cut-off and resonance. The filter self-oscillates at a given point and can be driven quite hard if you crank up the gain. All in all, a versatile analogue workhorse with a lot of character; from smooth and creamy to quite raw and screamy.

47 mA +12V
19 mA -12V
0 mA 5V
26 mm deep

Notes: KR is based off of the concept of a guitar tonestack: you get a gnarly drive on the top and a super clean two-band shelving EQ with switchable midpoint after that. There are separate ins and outs, too, so if you want to EQ a thing and distort the other thing at the same time you can!

Kith Ruina's inspiration comes from the world of guitar amps. A drive into an EQ is an extremely common configuration for shaping guitar tone, and we find that it works extremely well for synths as well. A grungy drive into a pristine EQ gives excellent tone control, and with separate ins and outs for the two sections KR can be configured to fit into any patch you throw at it.

Notes: Terci Ruina combines three classic distortions in 4 hp. Distortions are reinterpreted in classic NE style and routed through each other for complete sonic annihilation of any sound. Patch in and out anywhere in the signal chain to pick the best sound for your purpose (because modular). Looking for a pretty distortion? This is probably not your module. Unapologetically gross and dirty.

Notes: Yep, it's an attenuator. With a fancy name! And LEDs!

Sinc Defero's inputs are circularly normalled, too, so you can use it as a mult by leaving inputs unpatched.

Features:

Size and power:

4HP Eurorack
+12v: 45mA
-12v: 40mA
Sinc - from Old English sinc for "treasure" and Greek clastic for "easily removable"

Defero - from Latin for "sloping down"

"Portable treasure reduction"

What's in the box:

Module
Power cable
To reduce excess materials, screws will no longer be included with Noise Engineering's modules beginning in 2023.

Notes: 8-input CV expander for Xer Mixa

Expando Expandi adds 8 freely assignable CV inputs to the Xer Mixa in just 4 HP. Connect up to two Expando Expandi to Xer Mixa for easy CV control over channel levels, pan, aux sends, and more.

Expando Expandi is not for use on its own and is currently compatible only with Xer Mixa.

Notes: Babel is a tool for creating massive intermodulation, and a workhorse for analogue logic, depending on your use and interpretation of its function. It provides three inputs, which can be arbitrarily increased with the chainable expander (see below). For each of those inputs, Babel outputs the maximum value (ANY), the minimum value (ALL), and the balanced middle value (XSOME), which follows along the centre values of the input waves. What CENTER means is adjustable via knob and CV control. XSOME is particularly interesting, as it has the same general shape as a multiplication function, but with sharper edges. What this means it that Babel will create ring-mod like intermodulation-but with extra harmonics like those produced with a wavefolder, and with an arbitrary number of inputs, instead of just two.

When viewed as a logic module, Babel takes any group of truth values and tells you whether any of them are true (ANY, the equivalent of "or" with just two values), whether all of them are true (ALL, the equivalent of "and" with just two values), and whether some, but not all of them are true (XSOME, the equivalent of "xor" with just two values). Turn CENTER all the way to the right for 0-+5V logic, or leave it cantered for -5V-+5V logic-handy when your "logic" modules are really LFOs.

Specs

Size: 6HP
Depth: 22mm
Power Consumption: +12V 44mA -12V 44mA
Output Swing: -10V-+10V peak
Input Range: -10V-+10V peak
Input Impedance: 30kO
Output Impedance: 150O
Output Drive: 2kO (min), 20kO+ (ideal)

Notes: The New Systems Instruments VCA module gives you four well-calibrated VCAs in 6HP. These VCAs use operational transconductance amplifiers (OTAs) at their core, for true linear operation. However, unlike most OTA VCAs, the New Systems VCA is extremely low noise and distortion, coming in at < 0.2%, with ~0.05% typical.

There's no such thing as "transparent," particularly in synthesis, where the concept of an original signal that could be faithfully reproduced is often altogether absent. In a VCA in particular, a desirable envelope response can be even more important than accurate reproduction of the input at some fixed level.

The New Systems Instruments VCA has an extremely neutral, open sound. The envelope response sounds noticeably fast and accurate. If you want a dirtier VCA, stay tuned. New Systems are in the process of designing a different VCA with some control over signal and envelope linearity.

Specs

Size: 6HP
Depth: 22mm
Power Consumption: +12V 25mA / -12V 25mA
THD+N at 1kHz: 0.2% (max), ~0.05% (typical)
Output Swing: -10V - +10V peak
Input Range: -10V - +10V peak
CV Unity: 5V
Input Impedance: 85kO
Output Impedance: 150O
Output Drive: 2kO (min), 20kO+ (ideal)

Notes: Unlock the potential of the Quad LFO with the LFO Phase Expander. Each expander gives you three outputs that duplicate the LFO with a fixed phase difference. The first ranges from 0- to 180-, the second from 90- to 270-, and the last from 180- to 360-. Along with the original output, this gives you four phases of modulation. These are easily tuneable to quadrature (all knobs centred), but also any arbitrary phase relationship. You can attach up to four expanders, one for each LFO, giving you up to sixteen modulation sources.

A multiphase LFO is extremely useful for building rhythmic modulations, particularly when paired with analogue logic, such as provided by Babel. Further, regardless of the waveform selected on the Quad LFO, the output of the Phase Expander is always a sine wave. This gives you the useful possibility of having three rhythmically related phases of an LFO synced to a clock signal.

Other than rhythmic modulations, the most common use of a multiphase sine LFO is in creating panning and crossfade controls that sound correct using only one or more VCAs. This is useful in panning sounds back and forth, rotating a sound in quadraphonic space, creating Shepard tones, etc.

Even when you don't have a specific need for exact phase relationships, a multiphase LFO gives you a convenient way to expand your palette of potential modulators, adding three related but distinct waves.

Specs

Size: 6HP
Depth: 22mm
Power Consumption: +12V 21mA, -12V 21mA
Output Swing: -5V - +5V peak
Output Impedance: 1kO
Output Drive: 2kO (min), 20kO+ (ideal)

Notes: QMS does quadraphonic mid-side processing. Given a left front, right front, left back, and right back signal, it produces a mid and three side signals: left-right, front-back, and cross or diagonal. Then given these latter signals, it again produces left front, right front, left back, and right back. It has intelligent normals for passthrough, -6dB lowered mid and side signals to avoid clipping, and is equally useful for stereo mid-side when quadraphonic is not available.

Rather than merely creating an image of a sound, something that you passively look at, this module allows you to create a sonic texture that fills a room. Listening becomes active exploration instead of passive observation. Ambient music is all about space. But stereo can only provide a passive experience of this space. It's like there was a wonderful landscape glimpsed from a train window, and many experiments in stereo imaging attempt to reproduce the experience of being in that train, looking through that window. With quadrophonic sonic textures, you get to leave the train and run with the caribou.

Specs

Size: 6HP
Depth: 22mm
Power Consumption: +12V 75mA, -12V 75mA
Output Swing: -10V-+10V peak
Input Range: -10V-+10V peak
Input Impedance: 94kO
Output Impedance: 150O
Output Drive: 600O (min), 2kO+ (ideal)

Notes: WarpEx is an expander module that adds polyphony and MIDI to Warp.

- 4-Voice polyphony
- MIDI input and MIDI Thru
- MPE compatibility (MIDI polyphonic expression)
- Dedicated trigger and V/Oct inputs for each voice
- Illuminated pushbutton to quickly toggle between the MIDI voice modes: Mono, Poly and MPE.

Inputs:

- +/- 8 Volts (V/OCT)
- 0.0 Volts to +5.0 Volts (TRIG and MIDI)
- Overvoltage protection on all jacks.
- 4 TRIG Inputs: Gate inputs for Voices 1-4
- 4 V/Oct Inputs: CV input for pitch of voices 1-4 (i 8V, up to low audio rate ~100Hz)
- 1 MIDI In: Input Type-A for Midi signals. Use provided MIDI-to-DIN adapters.
- Button Toggles between MIDI voice modes: Red = Mono, Blue = Poly, Purple = MPE (Poly)

Outputs:

- Midi-Thru, 5v signal

WarpEx is fully managed by the Warp master

Scope of delivery:

Module, 3mm screws, ribbon cable for connection to Warp, 2 Midi-to-Din adapters Type A

Power consumption: Warp powers this expander via the included grey bus cable
Depth: 30mm
HP : 4

Notes: FONT is a massive sounding liquid filter- designed to bring you powerful basslines, tons of FM modulation and a clean resonance over your audio path.

It features two simultaneous outputs:
2-pole Low Pass
2-pole Band Pass

It can also work as a sine oscillator, tracking 1V/OCT when the resonance is at its maximum level.

FONT can be used to make basslines, acid patterns thanks to its organic and musically sounding resonance.

Ping it to produce percussion sounds such as, bongos, congas or toms.

Applying a pitch envelope, it really shines as a kick-drum machine!

22 mA +12V
25 mA -12V
0 mA 5V
15 mm deep
O 4.60 (10 Votes) Average Rating

Notes: CEQ is an analogue 3-band Equalizer and Compressor module in 4HP. Enhance your synth voices, get some punch and have fun playing with the DJ-style EQ.

CEQ is perfect for your final live mix or you can even use several on individual synth voices.

Great versatility.

CEQ Compressor can be used to subtly tune the dynamics of your voice, saturate or distort it heavily and everything in between. Want to sound a little fatter? This one is for you.

Synth tracks will love it.

Thanks to a switch on the back of the module, you can adjust the compression speed between FAST and SLOW depending on your needs.

CEQ is an analogue module.
NO digital noise.
BIG headroom.

Specifications:

EQ Cuttoff Frequency
High: 2567Hz
Mid: 256Hz to 2567Hz
Low: 256Hz
Filter type Sallen Key configuration.
Filter Q 0.5

Dimensions 4HP - 20×128,5mm

Notes: ST.MAR is a 3-channel Stereo Mixer with individual and master volume controls, CV modulation and mute switches. All the basics to blend your stereo signals in only 8HP.

Voltage controls for each channel.

Modulate the volume of each audio source using external control signals, such as envelope generators or sequencers.

Details

Dimensions 8HP - 40×128,5mm
Current 50 mA +12V / 52 mA -12V / 0 mA +5V
Input & Output Signals +/-10V
Impedance Input 47k - Output 10k
Materials PCB and Panel - FR4 1,6mm
Depth 35mm - Skiff friendly

Notes: ***B-STOCK: Item refurbished, repaired and in perfect working order.***


The MST Low Pass Filter is a precision analog dual slope output 2 & 4 pole filter. Simultaneous -12 DB and -24 DB outputs with CV control over all parameters. Can be used as a 1V/O sine wave oscillator

Specifications:

Current draw: V+ max 23.5mA, V- max 15.5mA

Width: 6HP Depth: 3.5cm (1.75 in)

Notes: For Intellijel's 1U rack format, Mosaic serve up a handy quantiser with a clever built-in arpeggiator, meaning you can generate melodic sequences from within the module.

Supplier's Notes:
Craft melodic sequences out of random voltage, LFOs, and more with the Mosaic Quantizer. Don't have a voltage source? Enter Arpeggiator mode to create a sequence from your current scale or note pattern, and modify it on the fly using the chromatic note interface. Pull musicality out of the unknown with Quantizer!

Tech Specs:
Width: 20HP
Depth: 38mm
Front Panel: Intellijel format, Pulp Logic replacement panels available here.

Notes: The Morphor Distortion - LED Based module is a compact and characterful analogue clipping distortion module. Loosely based on the legendary MXR distortion circuit this module is perfect for adding some extra crunch to your patches.

With CV-controlled gain setting, three distortion modes and a dry/wet mixing control, this module gives you lots of options to spice up your sound without taking up too much space. Internally the clipping is performed by LEDs which are also shown in the front of the module, so you can see your sound getting destroyed with your own eyes.

Weight: 53 g
Dimensions: 128.5 × 20 × 40 mm
Width: 4 HP

Notes: ***B-STOCK: Box damaged, product in perfect working order***


The Morphor Mixer - 5 Channel Amplifier is a flexible analogue mixer module that can find a home in every type of Eurorack setup.

Each of the five channels feature an attenuator knob and mute switch to allow for instant playability, for example in live settings.

Input signals can be AC or DC-coupled depending on your preferred setting.

The output stage also features an extra attenuation/gain stage that allows you to double the mixed signal. An additional master mute switch, clipping LED are nice-to-haves that complete this intuitive mixer module.

Weight: 102 g
Dimensions: 128.5 × 40.3 × 30 mm
Width: 8 HP

Notes: The Morphor LFO - Dual is a slim (6 HP) dual LFO. Each channel features analogue triangle, square, sine, saw and inverted saw outputs and a cycle reset input.

Frequency ranges:

Low: 0.005 - 1.5 Hz
Med: 1.5 - 425 Hz
High: 15 - 4250 Hz

Features

100% analogue
Dual channel
Triangle wave output
Square wave output
Sine wave output
Saw output
Inverted saw output
Cycle reset input
Low/Med/High frequency selector

Specifications

Panel width: 6 HP
Panel height: 3 U
Module depth: 25 mm
Current draw: 12 V : 22 mA | -12 V : 22 mA | +5 V : 0 mA
Dimensions: 128.5 x 30.3 x 25 mm
Weight: 71 g
Power Socket : 10-pin

Notes: The Morphor Envelope - Dual ADSR is a slim (6 HP) dual envelope generator. Each channel features standard ADSR (Attack, Decay, Sustain, Release) analogue circuitry, providing the classic, rich envelope shaping tools essential for any modular enthusiast. It features separate control knobs for the attack, decay, sustain and release parameters, two independent channels for versatile envelope shaping and each channel comes equipped with gate, re-trigger, output, and an inverted output.

On the back of the module you can find tiny switches for each channel to change the overall length of the complete envelope:
Short: 5 ms - 30 s
Med: 25 ms - 60 s
Long: 60 ms - 200 s (=3.3 min)

Features

100% analogue
Dual channel
Attack length control
Decay length control
Sustain level control
Release length control
Inverted output
Re-trigger

Specifications

Panel width: 6 HP
Panel height: 3 U
Module depth: 40 mm
Current draw: 12 V : 32 mA | -12 V : 32 mA | +5 V : 0 mA
Dimensions: 128.5 x 30.3 x 40 mm
Weight: 111 g
Power Socket : 16-pin

Notes: Sindikat is made to be placed in the heart of every modular setup: copy, invert, attenuate, scale, get different polarity versions simultaneously of two pair of mixes, mix CV as well as audio (up to 8 sources in total), mute or switch to add desired source to a bigger unity mix, scale two separate mixes with chosen gain.. All circuits can preserve their independent use and/or be combined!

Details & use:

The module consists of circuits designed to group the most useful operations for signal mingling in modular synth setups -but in the more fun manner!

It is designed in the way that the circuits can function independently -be patched to the other modules- or to be combined inside the module at the same time!

On the top of the module there is a buffered multiple (the bi-color led is indicating signal input and its polarity) : Next to the input there are two outputs giving the exact copy of the incoming signal. On the third output you'll get the 'attenuverted" version of that signal which is controllable by the dedicated attenuator/inverter potentiometer.

This signal can be further added (or muted) via its switch, internally to a unity gain mixer situated on the bottom of the module via its SUMM OUT.

This mixer has its own 3 inputs who will accept CVs as well as audio signals with an output gain of 1/3.

Its bi-color led will indicate the polarity of the incoming signals.

In the center of the module there is a CV Processor consisting of two mixers each mixing two signals- in the way that:
The first one takes two signals (A and B) and outputs simultaneously the positive version of their mix (AB+ OUT) and the negative version (AB- OUT).
Their gain is scaled by the potentiometer: going on 1x in the middle position to 2x fully turned. (After middle position with a stronger signal and due to higher gain it will start to saturate producing an distortion-like effect)
Further, via their switch, those mixes also can be added to a unity gain mix (SUMM OUT) and therefore creating a larger mix.
You'll do that by choosing which polarity output you want to send to a summing mix.
In the middle position of the switch the signal is "off" so you can use this to mute/un-mute the signal in the unity mix. Also, even if it is in "off" position this only breaks the internal link to a unity mix but you can still use their distinctive outputs to send your positive and negative mixes elsewhere in your system.

Goes the same for the second one: C and D inputs giving positive (CD+) output result and negative (CD-) simultaneously , all with gain select and the switch choice for summ positive or negative (or none) to a bigger unity mix.

You can also choose to use those two circuits as a simple attenuators for ex. by patching only one signal so you'll get an attenuator and polarizer at once!

The module can process CV and audio as well in every circuit.

Therefore, by summing eventually all the signals to a final "SUMM OUT" output you can create up to 8 sources -in the module- large mix!

Made for more fun with a modular!

This module fits perfectly well with Modulaire Maritime "Decca" switch-based manual control module.

As these modules are developed from practicing recording in "one take" (same for a live performing), combining them you get an extended control over CVs, gates and audio going on in the system, allowing to switch- stop/mute, change polarity, introduce/mix more gates, drums,.. on the fly.

8hp
25mm deep
Reverse voltage protected

Notes: The modDemix music synthesizer module features 2 identical direct-coupled balanced modulator circuits that may be used together or independently for Ring Modulation, VCA, Mixer, Signal Multiplication, Voltage Controlled Polarization, Attenuation and more.

Features

Unique balanced modulator circuit turns OFF around zero volts at the Carrier/ Control INput, making the circuit behave well as a VCA.

STRENGTH is a Combo Knob, with nothing patched to STRENGTH CV IN, it works as a standard panel control, setting Level. With signal patched to STRENGTH CV IN, it works as an attenuator, setting the strength of the modulation.

Both circuits feed a summing stage, allowing the module to be used as a voltage controlled mixer.

AUXiliary IN allows for the stacking of multiple modDemix and/ or Optomix to create larger mixes.

Part of a decentralized mix console integrated throughout the system along with Optomix, X-PAN, Dynamix, and RxMx.

Able to introduce warm distortions to audio signals, sounds like no other VCA or Ring Mod.

MAX BLINKENLIGHTS, 8 LEDs packed into a small 6hp module.

Pairs well with MATHS and Optomix.

Specifications

Width: 6hp
Max Depth
(incl. power cable): 32mm

Power:
30mA@ +12V
30mA @ -12V

Notes: An ultra-compact 10HP VC filter with bags of personality. Camber can be treated as a subtle, non-intrusive sound design tool, or something much more lively.

Camber is designed to be a fun, tactile filter with a small footprint. It's sound is neutral enough for basic filtering without a fuss, with a much more aggressive tone available using high resonance settings in three-pole mode.

Filter Core

The core of the filter is based on a state variable topology using 2164 VCAs and 1% tolerance integrating capacitors. Resonance and feedback control is provided by the fantastic circuit design originally by Neil Johnson "Voltage Controlled 3-Pole State Variable Filter" recently made available in Sound Semiconductor documentation.

Operation

Camber is switchable between low pass and high pass responses with one pole (6dB) and three pole (18dB) flavours of each. It has full CV control of both cutoff frequency and resonance amount. The input is DC-coupled allowing LFO and CV signals to be routed through the filter. The filter will also act as a simple oscillator producing a clean sinusoidal signal with the resonance control turned *almost fully clockwise, and no signal at the audio input. Dialling in the resonance so that it is just under the point of self-oscillation allows the filter to be "Pinged" by sending gate signals to the audio input. This is useful for tuned percussion sounds and FX.

Specifications

Intellijel 1u format
Width 10HP
Depth 33mm
Power requirements ~40mA +12V/~40mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: An ultra-compact 10HP VC filter with bags of personality. Camber can be treated as a subtle, non-intrusive sound design tool, or something much more lively.

Camber is designed to be a fun, tactile filter with a small footprint. It's sound is neutral enough for basic filtering without a fuss, with a much more aggressive tone available using high resonance settings in three-pole mode.

Filter Core

The core of the filter is based on a state variable topology using 2164 VCAs and 1% tolerance integrating capacitors. Resonance and feedback control is provided by the fantastic circuit design originally by Neil Johnson "Voltage Controlled 3-Pole State Variable Filter" recently made available in Sound Semiconductor documentation.

Operation

Camber is switchable between low pass and high pass responses with one pole (6dB) and three pole (18dB) flavours of each. It has full CV control of both cutoff frequency and resonance amount. The input is DC-coupled allowing LFO and CV signals to be routed through the filter. The filter will also act as a simple oscillator producing a clean sinusoidal signal with the resonance control turned *almost fully clockwise, and no signal at the audio input. Dialling in the resonance so that it is just under the point of self-oscillation allows the filter to be "Pinged" by sending gate signals to the audio input. This is useful for tuned percussion sounds and FX.

Specifications

Intellijel 1u format
Width 10HP
Depth 33mm
Power requirements ~40mA +12V/~40mA -12V
Control voltage range 0-8V
Impedance Input 100K / Output 1K

Notes: Volume 1 pot: regulates the volume for the mini jack input 1.

Volume 2 pot: regulates the volume for the mini jack input 2.

Volume 3 pot: regulates the volume for the mini jack input 3.

Send out the mixer signal before the resonant equalizer, mini jack out, to use with external effect or as mixer dry out.

Return pot: regulate the volume for the mini jack return input, to use with external effect or as a 5- input.

Resomix has one mono mini jack out.

High pass, band pass, low pass switch; selects the filter type.

High, mid, low switch; selects the filter frequency range.

Cutoff pot: regulates the cutoff frequency of the filter, the 0-10v CV input affects the cutoff frequency to obtain the CV in maximum effect keep the cutoff pot to 0.

Resonance pot: regulates the resonance level.

Gain pot: regulates the gain level at the filter input, work as general mixer gain.

Resomix works with a +/-12v 10pin modular connector.

Dimensions

8 HP
38 mm deep

Notes: An analogue oscillator with through-zero phase modulation. The core of the T-ZED is the SSI2130 integrated circuit. Voltage controlled wave shape and phase modulation index allow for automated sonic versatility, and 2 separate frequency ranges mean the T-ZED can be used as an audio or CV source.

Features

Simultaneous SINE, TRIANGLE, SAW, SQUARE, and variable SHAPE outputs
Phase MOD input with bipolar INDEX circuit
V/OCT input tracks 10 octaves
FREQ spans 10 octaves, TUNE spans 1 octave
Hard SYNC input
SHAPE output (Sine to Triangle to Saw) with CV input and attenuator
Frequency range HI: 10hz-25khz
Frequency range LO: 0,1hz-200hz


Dimensions
12 HP
25 mm deep

Current Draw
55 mA +12V
45 mA -12V

Notes: Strom+ is a strong, reliable and safe 4HP power solution for your modular system. The Strom+ power module includes many safety mechanisms to prevent your modules from being damaged. These include most importantly short-circuit protection, overvoltage protection and a replaceable main input fuse. See the full list below.

Strom+ also offers a current sensing technology that indicates current consumption of your system. LEDs of each rail will turn orange then red, when current consumption reaches or crosses the maximum load of that rail.

Strom+ has extremely low ripple, even under full load. This means better sound and stability for your modules.

One module can power multiple skiffs via Strom Passive Module, a Strom Connector Cable, or a KOMA Strom Busboard.

Technical Specifications

Inputs and Outputs

Output: 1.5A @ +12V | 1.5A @ +5V | 1.0 A @ -12V
Input: 15V, 4.6 A (center positive)

Safety Mechanisms

Replaceable input fuse. Protects the wall-plugged adapter. The KOMA Strom AC/DC adapter actually has its own protection mechanisms and will itself shutdown in most cases before the input fuse trips.
Input overvoltage. Strom+ works up to specification from 15V - 20V input and works out of specification up to 28V input.
Input reverse polarity protection
Output overvoltage protection
Output short-circuit protection
Output over current protection
Output undervoltage protection
All above output protections independent for each rail. If any rail fails, the whole module shuts down.
Connectors and Controls

Main DC-Input (15 VDC)

On/Off switch
Front panel connector to a passive Strom module
2 standard Eurorack 16-pin connectors (for modules or a flying busboard)
Back panel Strom connector to solid busboards

Dimensions

4HP
48mm without Eurorack power connector connected (distribute power via Strom connector cable)
52mm with Eurorack power cable connected

Notes: Focused versatility seems an oxymoron when describing the features that led us to design the Mixwitch.

With only a pinch of mixing, inverting and controlled switching, we brew up a plethora of combinations and uses.

This is voltage processing magic!
The Mixwitch design comes from a frustration with attenuvertors (bipolar attenuators-inverters) whose off (neutral) position is difficult to retrieve, especially in live situations.

We went for a digitally-controlled analog path where polarity inversion would be at the touch of a button. So, the usefulness of attenuating/inverting can be realized by turning the pot down, swiftly pressing the inversion button and reopening the level. The zero level is where you expect it, with the pot full down.

Once we had a clean polarity control, we easily added a mute function offering the benefit of pre- adjusted pot settings ready to be activated at will.

The next step was to bring something extra, useful and creative. There are plenty of analog switches controlled by a clock; but arbitrarily selecting an input with a voltage is less known. Having both control capabilities combined with our specific mixer features creates a unique fusion: welcome to the Mixwitch !