Modular

The DROID master is the central Eurorack module of the DROID system, providing eight precision CV inputs and eight CV outputs and serving as the hub for attached controllers and expanders.

The MASTER18 is a compact universal CV processor with integrated USB and MIDI, offering eight CV outputs, six gate jacks and connectivity for DROID controllers and expanders.

The G8 v2 is a Eurorack gate expander module for the DROID master offering eight additional gate jacks that can each be switched between input and output.

The R2M/R2C is a pair of Eurorack modules that lets you connect a chain of DROID controllers to a master over a standard 3.5 mm stereo cable, providing power and stable signal transmission over longer distances.

The system that launched the Eurorack format, Doepfer's A-100 is a fully analog modular synthesizer offering over 65 interchangeable modules for virtually unlimited sound design.

A Eurorack DSP development platform built around the Electrosmith Daisy Patch Submodule with additional CV, gate, MIDI, and SD card I/O for firmware development.

DRIP is an 8hp stereo multimode filter Eurorack module based on the Mutable Instruments Ripples V1 filter section, offering separate 12dB/oct, 24dB/oct and bandpass outputs for each channel.

A 2hp Eurorack ADSR envelope generator designed by Kraakenstuff, based on René Schmitz's original circuit design.

KALI is a Eurorack DSP module with community firmware development, skiff friendly at 29mm deep.

A 2HP Eurorack panning mixer that mixes and pans seven inputs across two outputs, remixed from Jesper Särnesjö's Nearness module.

An attenuverting matrix mixer Eurorack module with 4 inputs, 2 attenuverter outputs, inverted outputs, and buffered bipolar LEDs for monitoring.

Discontinued

The E-mu Modular Systems were custom-built analog modular synthesizers produced in limited quantities from 1973 to 1981, featuring drift-free oscillators and clean filter designs that competed with ARP and Moog modular instruments.

A Eurorack-focused submodule built on the Daisy platform for embedding custom synthesizer and effects designs into modular systems.

A Eurorack module platform built around the Daisy Seed for building custom synthesizer and effects modules.

Pendulum is a digital clock generator with a wide range of tempo. It provides two independent clock outputs, along with a third output that can be set to divide or multiply the primary clock.

ACCESS is a Eurorack module providing attenuation/attenuversion and bias controls for three video or CV signals, usable with a full RGB set or three separate luma/control voltages. The topmost input normals to a 1 volt reference so the module can act as a bipolar control voltage source when unpatched.

DAISY is a chainable matrix mixer module for modular synthesizers, offering alternate gain configurations and positive or negative mixing options. Multiple Daisy modules can be chained together to expand the number of matrixes.

GAMMA is a Eurorack module featuring dual squaring and logarithm functions used to shape control voltage or luma ramps into curves, circles, and four-point star shapes.

LUMA is a Eurorack module that converts an RGB image into its greyscale Y equivalent using ITU-R BT.601 luminance weighting. It also buffers the original RGB inputs and offers an inverted Y output.

NVRT is a Eurorack module that inverts luma levels of a video signal from light to dark and dark to light across four independent circuits. It inverts around a 0.5 volt reference rather than around 0 volts as an audio inverter would.

A Eurorack module offering two clipping and frequency doubling sections that process a video-rate signal. One output clips signal below mid-grey to accentuate bright portions, another clips above mid-grey to accentuate dark portions, and a third produces a solarization or frequency-doubling effect.

SHUTTER is a Eurorack video-rate multiplexer with three independently controllable multiplexers that switch between two full color RGB signals using control voltages.

SW6 is a passive Eurorack expander module with six DPDT switches that let users toggle reverse-side module functions without removing the module or manually flipping jumpers.

VEIL is a three layer subtractive video compositor that stacks luma signals to create the effect of perceived depth. Knobs adjust the opacity of top layers to obstruct or reveal lower layers.

Quadrant 2 is a modular effects plugin that functions as both an audio processor and a self-generating sound source, built for experimental sound design and electronic music production. It provides 50 configurable modules — including oscillators, sequencers, effects, and utilities — connected via a graphical patching system with virtual patch cables.

Discontinued

A discontinued Eurorack LFO PCB and front panel kit based on the classic 8038 analog function generator, since replaced by a new OTA-based LFO design.

A Eurorack PCB and front panel utility kit that distributes CV and audio signals via buffered outputs without voltage drop, functioning as a 1x8 or 2x4 active multiple.

A Eurorack PCB and front panel kit powered by the 4017 Decade Counter chip, offering multiple clock division options for creating rhythmic sequences and polyrhythms.

A DIY Eurorack PCB and front panel kit providing two independent envelope generators that shape the rising and falling edges of gate or trigger signals. It includes gate-to-trigger conversion and switched jack routing to trigger both envelopes from a single source.

A DIY Eurorack LFO PCB and front panel kit built around an OTA-based core, offering Square, Triangle, and Sine waveform outputs with voltage-controlled rate and a Ping input for trigger-based resets.

A DIY Eurorack polarizing mixer PCB and front panel kit that combines signals while accounting for phase, adding or subtracting voltage per channel. LED indicators show output polarity for monitoring signal behavior.

A 16HP Eurorack DIY module combining four independent voltage-controlled amplifiers with onboard stereo panning and mixing. Features individual and stereo/dual mono outputs, a CV Link switch, and per-channel pan controls.

A compact 4HP Eurorack full DIY kit featuring dual independent attenuverter channels with a symmetrical design. The top channel is normalled to an internal +5V reference, allowing it to function as a standalone CV generator sweeping from -5V to +5V when unpatched.

A classic DIY Eurorack modulation utility that samples an incoming signal on each clock pulse and holds that value, generating stepped control voltages. It includes a built-in white noise generator internally routed to the input, plus a buffered noise output and Depth control.

A compact 4HP Eurorack DIY summing mixer that blends five separate audio or CV channels into a single unified output. It features a 3-step gain switch to multiply output gain by 1, 0.5, or 0.2, useful for preventing clipping or attenuating to line-level.

A complete DIY Eurorack kit for a four-channel OTA-based voltage-controlled amplifier, with SMD components pre-assembled at the factory and only through-hole parts left to solder. It offers stereo pairing via normalled inputs/CV and a summed Mix Out.

A fully assembled four-channel OTA-based voltage-controlled amplifier for Eurorack designed for precision signal shaping and mixing. It features internal normalizations allowing use as two stereo pairs, plus a summed Mix Out for voltage-controlled mixing.

A Eurorack expander module for the Quad Operator that adds algorithm save/recall and crossfading of FM modulation routing configurations.

A Eurorack synthesizer module with four variable waveshape operators for linear FM synthesis, offering a one-knob-per-function design and a modulation matrix for building custom FM algorithms.

DISENTANGLER is a 4hp mid-side encoder/decoder and stereo width processor module for Eurorack. It allows adjusting the width of a stereo signal and enables creative processing of stereo signals or CV via DC-coupled mid/side inputs and outputs.

Warp Core is a complex stereo phase distortion oscillator for the Eurorack modular synthesizer format, designed for deep and uniquely digital timbral exploration. It features multiple phase distortion algorithms, phase modulation, tone thickening, and precise tuning controls.

WC:EX is a 4hp expander for Warp Core that adds a controllable ADSR envelope generator and internal digital VCA, converting the oscillator into a full stereo voice. It requires Warp Core to function.

A wireless CV interface for Eurorack modular synthesizers that connects motion sensors, Ableton Link, OSC applications and Bluetooth MIDI controllers to generate control voltages. It features 16 multimode CV outputs, built-in LFOs and a web-based configuration app.

A generic multifunctional DSP Eurorack module offering more than 50 synthesizer and effect plugins, with support for implementing custom DSP algorithms as an open source project. It features stereo audio I/O, CV inputs, trigger inputs and a WiFi-based web interface for configuration.

Discontinued

Great starter. Great expander. You're either looking to get started in eurorack or you're hooked and it's time to expand.

Backpack Modular. Your Palette case is the ideal solution for your space conscious and/or portable needs. With either 62hp or 104hp of rack space, you can piece together powerful but focused mini systems and control surfaces.

Have modular. Will travel. Studio, cafe, stage, floor, coffee table—the 7U Performance case doesn't care where you play with it. Two 3U rows house and power all the modules you love, while the additional 1U row accommodates an extensive selection of specialized utility modules.

Get Amped Amps contains two precision linear VCAs that have been carefully designed to offer a wealth of flexibility and additional functionality. The front panel controls and signal normals allow these two VCAs to also be configured to function as: line level boosters, crossfaders, ring modulators, mixers, and much more. They can also be chained together by way of an included cable to form larger, more complex systems.

Patching Heaven Adds 14 dedicated ouputs and a Ring Mod to the already powerful Atlantix module.

Patching Heaven Adds 14 dedicated ouputs and a Ring Mod to the already powerful Atlantix module.

This passive attenuator has a 100K linear potentiometer that is DC coupled. Perfect for adding attenuators to those 1U/3U modules without one.

Discontinued

Better Together Dual Balanced ins and outs for the studio or the road. Interface your rack with the balanced line level world; send and return to pedals or desktop FX units; patch in and out of your DAW, external synths, drum machines and other line-level instruments. Our 7U cases have the 1/4" TRS jacks built-in, but we have a 1U Jacks module for the rest of you.

Discontinued

TRS jacks for interfacing external 1/4" equipment with the Audio I/O 1U module. Our 7U cases have the 1/4" TRS jacks built-in, this 1U Jacks module is for the rest of you.

Discontinued

Panner/Stereo Balance/Cross Fader/Dual VCA in 8HP.

Discontinued

Dual VCA / pan / balance / xfade / stereo enhance.

Mighty Multiplier Multiply one audio/CV signal into eight perfect copies or two signals into two sets of four. Multiply your sequencer out to multiple oscillators and send a third copy to your favorite modulation input.

Discontinued

Official expander module for the Cylonix Cyclebox v2 complex VCO, unlocking a wealth of extra features on the already feature-packed main unit.

Discontinued

Expander module for the Cylonix Cyclebox II complex VCO, unlocking a wealth of extra features on the already feature-packed main unit.

Discontinued

A complex, digitally generated VCO with a wide 22-octave frequency range, dual primary oscillators plus a suboscillator, and 16 nonlinear waveform combinations.

Discontinued

Do not let the small size fool you, this is a very powerful full featured and precision VCO in a tiny package. The core is a completely new type of VCO design with a lot of potential.

Discontinued

Triangle Core VCO/LFO.

The Heart+ The beating heart(s) of your rack, the analog oscillator. If the Dixie2's six waveform outputs don't offer enough shapes for you, the PWM, sync, and FM inputs have you covered. Unique to the Dixie2+ is PWM control, exponential FM, and an Octave switch for quick and precise musical tuning.

Discontinued

This simple but essential expander can connect up to four Dixies via the supplied 6-pin ribbon cables.

Discontinued

Snappy, classically analog envelopes with visually intuitive controls. Add trigger buttons, cycling and a variety of control voltage outputs—then double it—now you've got the Dual ADSR.

Voltage Controlled Amplification You can never have too many VCAs! Amplify, dynamics, mix, boost, AM synthesis and much more in a super compact package.

Half a Quadratt (and a little bit more) A super compact Dual Attenuator, Inverter, Attenuverter, Multiplier, Mixer and DC Voltage Source. The little brother of the mighty Quadratt 1U module with added gain multiplier switch and half the size.

Discontinued

CMOS jk and d flip-flop in 4hp

Flurry collects and connects a number of practical modular synthesis tools, focussed on clocks, noises, and randomness to create a module that is rife with opportunities for exploration and experimentation. Equally capable as a synthesis source, modulator, clock, or signal modifier; It is bound to find a way to bring new life and dimensions to your synth patches.

Add a pressure point to your modular The FSR (Force Sensing Resistor) senses touch and pressure to add another level of expression to your synth.

Open up the gates Expand the functionality of the modules like Metropolix with eight additional gate/trigger outputs.

Discontinued

Six high quality VCAs + Summer in 8HP

Discontinued

Expander module for the Korgasmatron II: adds auxiliary inputs to each filter and VC of resonance

Direct Injection Desktop gear is popular for a reason, but your eurorack system is like no one else's. Patch and process your favorite line level audio (balanced or not) through your rack. Adjust the volume as needed.

Go Out And Play Get your signal out of your modular and into your favorite effects boxes, daw, sampler or any other line level device. No fuss patching and level control.

A big-sounding microphone module in a small 2hp package. Turn your voice, instruments, environmental sounds, or even wild feedback experiments into audio for your Eurorack system.

Discontinued

Add-on module for the Livewire Vulcan LFO in 8HP. The Mind Meld is an expansion module for the Livewire Vulcan dual LFO, providing switched waveform source selection of the Vulcan's logic circuits and reset control for both LFOs.

Connectivity Conduit Take your clock signal to three different modules, then split an audio signal into a crazy mix of filters and effects. The Mult takes one audio or CV signal, and routes it to up to three outputs. Because the Mult is passive, it requires no power to operate. Multiply anything by three, twice.

Connectivity Conduit. The Mult 1U takes one audio or CV signal input, and (mult)iplies to up to four outputs. Because the Mult is passive, it requires no power to operate. Multiply anything by four, twice.

Building Bridges Make it easy on yourself when you pack up for you next gig. Connect up to 8 patch points between 2 cases with a shielded ethernet cable. Disconnect multiple racks from each other with a single cable while maintaining the main elements of your patch.

Gate Mixer You have that kick drum ready to trigger and your sequencer is all set; OR do you want to trigger it with that big shiny button? OR with that random source? You get the idea. Dual Logic OR Gates.

Get out of my rack, and into my.... ? Record everything. You never know when you're going to hit that groove and when you do you'll be glad you captured it. Eurorack signals are really hot — tame them down to line level for your mixer, amp, or recorder. Monitor your patch through the low noise headphone amp.

Rack meet Guitar; Guitar meet rack. Open your rack to the world of guitar effects: delays, choruses, flangers, phasers, fuzz boxes, tremolos, wah-wahs, amp simulators, compressors, pitch shifter, and more. Open your guitar to the world of eurorack: filters, ring mods, wave folders, sequencers, and, most importantly, the unique CV modulation delights inherent to your rack.

TS jacks for interfacing external 1/4" equipment with the Pedal I/O 1U module.

Modulator Joy The most complex modulator is you. The Planar 2 puts macro control over six outputs—including a quad panning mixer—into your hands with a buttery smooth joystick. Record up to 30 seconds of your own movements, stretch it or mangle it with scan mode, use a trigger for playback, or just loop it—synced or not. Add yourself to your patch.

Discontinued

Derive complex rhythmic sequences from basic sparse sources like a gate sequence or random source. Add CV from an envelope, LFO, or controller to modulate the logic types for even more complex results.

A DC barrel jack and power switch for connecting power to the TPS30 or TPS80 powered busboards.

Discontinued

You can almost always find a use for an inverse voltage. Use a single voltage source for panning and crossfading your VCAs and filters.

When you get into eurorack, you'll inevitably come across the old adage: you can never have enough VCAs. Each of the four VCAs has independent level control, bipolar CV inputs with attenuators and LED indicators, adjustable linear/exponential response, and a +6dB boost switch.

Discontinued

Control voltages can be thought of in terms of shapes: vertically you change intensity and horizontally you play with time. Quadra offer four channels, each one linear or exponential, triggered or cycling, held or release.

Discontinued

Take your Quadra a step further, allowing you to modulate your shapes with other shapes or with themselves. Triggers fire as the cycles complete, attach shapes to each other for never ending evolutions.

Voltage Control Sometimes you just need a quick audio mixer; a voltage offset; a CV mixer; an attenuator; an attenuverter; or just a voltage. Mix and match the four controls to your needs.

Whether you are exploring the unique channel functions, CV modulation matrix or chaining options, it is quickly apparent that there are infinite possibilities to explore. This powerful and tactile modulation generator will quickly become the beating heart of your modular system.

Open up the gates Expand the functionality of the Quadrax with eight additional gate/trigger outputs.

Discontinued

The Rubicon is an analogue triangle core VCO that is capable of through zero frequency modulation.

Discontinued

This is not a set it and forget it oscillator. It’s an oscillator that demands to be tweaked, modulated and explored.

Creativity Router Patching is all about creativity. You could simply mult your sequence across your rack or let Shifty spread the notes across time, holding, swapping and routing them. Queue up notes or CV for distribution to up to four modules and dive into the world of hocketing, shift registers and pseudo polyphony.

Discontinued

CMOS boolean logic device in 4HP. Dual two input CMOS logic device with AND, OR and XOR outputs, plus a dual logic inverter.

Another Pair of Jacks 1/4" TRS Jack panel in 1U for the Stereo Line In 1U module

Mono/Stereo audio from your Modular to Stereo Balanced Line Level Outputs.

Another Pair of Jacks 1/4" TRS Jack panel in 1U for the Stereo Line Out 1U module

Put Your Pedal to the Metal. Expand your palette of possibilities by fully integrating your favourite guitar and bass fx pedals into the world of Eurorack modular.

Switched Mult 1U is an expandable, dual-bus, 6-jack passive signal multiplier, with a 3-position switch to facilitate asymmetrical routings — enabling each jack to be a mult of the X bus; a mult of the Y bus; or to be turned off entirely.

Get In Shape. Tangrams, like our Dual ADSR before it, is a dual analog core-envelope inspired by the Roland SH-101 / System 100m design with several enhancements.

Touch Your Music Nothing is more unique to your music than you. Press and slide your fingers along the four pads to turn your movements into CV and smooth out the rough edges with built in slew. Use it as a keyboard, drum pads, faders, LFOs, voltage memory or more. Add yourself to your music.

The TPS30W MAX is a low noise 30 Watt studio grade Eurorack power supply and busboard, delivering +12V and -12V at 1.5A and +5V at 1A, for cases up to 6U x 84HP.

Discontinued

Lunch Time. You've been thinking about it for years. What should I do with this Flintstones™ lunch box. Get started on your conversion with a low noise TPS30 Mini 30W power supply.

The TPS80W is a low noise 80 Watt studio grade Eurorack power supply and busboard, delivering +12V and -12V at 3A and +5V at 1.5A, for cases up to 7U x 104HP.

Discontinued

Voltage Control Sometimes you just need a quick audio mixer; a voltage offset; a CV mixer; an attenuator; an attenuverter; or just a voltage. Mix and match to your needs.

Triple the control Sometimes you just need a quick audio mixer; a voltage offset; a CV mixer; an attenuator; an attenuverter; or just a voltage. Mix and match to your needs.

More Power To You Convenient USB power source for your handy peripherals. Whether it's an LED Light or a small desktop synth, this jack provides 1A of power from an Intellijel power supply to an attached USB device.

A triangle core, Syncable, Multi-Waveform Analog Oscillator & LFO in an extremely compact form factor.

Convenient Connections Use this module to tap into the 3-pin LINK connector used in several Intellijel products, including Mixup, Switch Mult 1U, Pedal I/O and the Palette Case and 2nd Generation Audio Jacks Board in a 7U case.

Discontinued

Quad log/lin attenuator in 4HP. Simple but essential module for all your attenuation needs (audio, cv etc.).

Discontinued

CV quantizer and musical interval generator in 4HP. A highly versatile and very musical device for creating interesting, beautiful and harmonious musical riffs from just about any analog CV sources.

Discontinued

Your modular system is capable of generating complex, fluid and interesting voltages. Use the µScale to transform these voltages into musical pitches to control your oscillators and other sound sources.

Discontinued

Dual log/lin VCA in 6HP with continuously adjustable curve response from linear to exponential.

Tight, But Perfect Fit A great fit for a small system or to fill in that last bit of space in your performance rack. Dial in the exact sweet spot with the variable control response. It can also act as a 2 channel mixer in a pinch. There's always room for a couple more VCAs in your patch.

Maths is an analog computer designed for music by Make Noise. It is the do-it-all analog function generator for eurorack modular synthesizers, combining the functionality of envelope generators, LFOs, slew limiters, attenuators, and more in a single 20 HP module.

MD-001 Juniper is an 8-channel Eurorack clock and modulation source with a modulation matrix for generating complex waveforms. It can record its output channels to an SD card with time quantization, functioning as a CV looper.

MD-002 Gin is a Eurorack expansion module for the MD-001 Juniper that adds eight additional CV inputs, a potentiometer for knob recording and modulation, and dedicated recorder controls for recording, playback, overdubbing and stopping time-quantized recordings.

MD-004 Tonic is a Eurorack expander for MD-001 Juniper that adds a full octave keyboard, advanced quantization options, and transposition controls for live performance including semi-tone, whole-tone, minor 3rd, major 3rd, perfect 4th, perfect 5th, and octave shifts.

Discontinued

A compact desktop virtual modular synthesizer from Clavia that uses companion PC software for visual patch design, offering deep synthesis capabilities in a minimal four-knob hardware interface.

Discontinued

The Nord Modular is a virtual modular synthesizer from Clavia that combines a compact 25-key velocity-sensitive keyboard with a computer-based patch editor offering over 100 modules. Patches are created graphically on a connected PC or Mac using the Nord Modular Editor, then stored in the keyboard's internal memory for standalone performance.

A passive Eurorack module that converts signals between 3.5mm patch cables and banana plug connectors, allowing interfacing between Eurorack-style and Buchla-style banana-jack synthesizers.

A DIY PCB and panel set that adds input and output jacks to the ISO-001U Eurorack module, using Thonkiconn 3.5mm mono jacks for patching.

A DIY PCB and panel set consisting of two circuit boards and a front panel for building the ISO-001E Eurorack module.

A DIY PCB and front panel set for building the ISO-001U Eurorack module, which has no input or output jacks of its own and requires a separate I/O module.

A Eurorack polyrhythmic gate/trigger generator that creates complex gate patterns by patching signals into four CV inputs, changing its sixteen gate/trigger outputs as the CV input states toggle between high and low.

A Buchla 4U format polyrhythmic gate/trigger generator that creates complex gate patterns by patching signals into four CV inputs, changing its sixteen gate/trigger outputs as the CV input states toggle between high and low.

The self-assembly kit for the KPG 4U polyrhythmic gate and trigger generator, supplying the panel and board with the SMD parts pre-soldered.

A Eurorack low pass gate module recreating the circuit of the Model 292C, offering natural percussive sounds through to aggressive tones via an added resonance effect, following the interface layout of the Model 208's LPG section.

A compact 6HP Eurorack version of the KPG that generates complex polyrhythmic gate patterns from three CV inputs, changing its eight gate/trigger outputs as the CV input states toggle between high and low.

TIMBRE is a Eurorack module that recreates the wavefolder circuit of the Model 208 (later version), adding harmonics by folding the input waveform. It includes an input attenuator/booster and a Sine to Tri waveshape converter to expand the range of folding effects.

A compact 8HP touch controller for expressive CV and 1V/Oct control, built on the Electrosmith Daisy Seed and programmed in C++ for precision and low-latency performance.

Discontinued

The Lifeforms Systems 301 is a complete analog modular synthesizer system by Pittsburgh Modular featuring the Lifeforms SV-1 dual oscillator synthesizer voice and the Lifeforms KB-1 pressure-sensitive keyboard controller. It functions as a stand-alone synthesizer with a hardwired signal path while remaining fully patchable for advanced sound design. The powered case provides 112hp of additional Eurorack space for expansion modules.

A fast, precise, punchy envelope generator eurorack module in a tiny 2hp footprint.

A sine wave-based eurorack voice for bass and percussion sounds, offering thick, snappy kicks, low rattling subs, and tom-like tones with CV control over pitch.

A eurorack module combining glitch, delay, and chaotic distortion effects, allowing users to freeze oscillations, create scrambled gated delays, and add over-the-top distortion.

A eurorack module that starves, bit crushes, splatters, and filters audio sources, featuring an 8-step sequencer that interacts with a destruction effect for gated and filtered glitches.

A eurorack module that emulates vintage reel-to-reel tape overdrive and echo, providing saturated tape tone and delay repeats with a freeze function and CV control for time.

The Sound Destruction Device is a Eurorack module with a variable resistor distortion and twin T-notch filter that distorts, glitches, clips, and filters sound. It has CV control over its five parameters for creating fuzz, splatter, and sonic malformations.

Discontinued

Roland's professional analog modular synthesis system offering over 20 interchangeable modules, allowing musicians to design fully customized signal paths for sound creation and processing.

Discontinued

The Roland System 700 was a flagship professional modular analog synthesizer produced from 1976 to 1982, designed to compete directly with large-format Moog and ARP modular systems. Its main console featured three VCOs, two VCFs, two VCAs, two LFOs, and integrated effects, with five optional expansion blocks for extensive customization. Notable users include Vangelis, Hans Zimmer, Vince Clarke, and Aphex Twin.

A six-channel polyfunctional Eurorack module offering oscillators, noise sources, modulators, sample and hold, random sources, triggers, rhythm patterns, and quantization across each channel.

TRITON is a 100% analog, triple-oscillator Eurorack module offering a synchronous ensemble of VCOs with a technique called Zing Modulation that produces harmonic overtone spectra. It can also be used as three independent, wide-range analog oscillators.

Discontinued

The RSF Modular Model 11 is a rare analog modular synthesizer created by French company RSF (Ruben & Serge Fernandez) in 1976. This towering monophonic system features three oscillators and resembles the ARP 2600 in architecture and capability. It excels at generating dense bass, growls, and textured tones through its generous overdriven sounds and punchy ADSR and filter sections.

The Boundary is a multi-purpose modulation and signal control module combining a cycling slew with a four quadrant multiplier VCA. It can generate envelopes, act as a modulation oscillator, and provide ring modulation or distortion via its VCA output.

Boundary Layer is a triple cycling slew module that can act as a modulation oscillator, voltage controlled slew, or AR/AD envelope generator on each of its three channels. It provides combined MAX, MID, and MIN outputs and can be patched for stereo drone synthesis at audio rate.

BTMX (BitMix) is a four channel selectable logic function module offering hands on control over logic and rhythmic gate signals. Gate outputs are summed with binary weights to generate stepped voltages for melodic or modulation signals.

Cascade is a passive expander for the Eddy mixer that provides access to individual VCA outputs for use as a triple stereo VCA, as well as access to feedback filter outputs and simultaneous clean, compressed, and distorted bus outputs.

Discontinued

The Serge Modular is an analog modular synthesizer system designed by French electronic musician Serge Tcherepnin, first produced in 1974 in Los Angeles. Featuring unique designs such as the Wave Multiplier module and banana plug patching, it offers a compact and cost-effective alternative to Buchla and Moog systems. Production continues today through Sound Transform Systems, which acquired Serge's circuit designs in 1993.

Discontinued

The Quad Modular Filter is a limited edition analog filter processor from Sherman Electronics, with only 100 units produced worldwide. It combines four independent Filterbanks into one sleek modular machine with enhanced features, extensive patching flexibility, and classic wood side panels. Each filterbank has separate inputs and can operate independently or be linked together for combined filtering with up to 96dB slope capability.

Fantastic for fun experimentation, happy accidents and creative inspiration. Two independent envelope generators that can be pinged by external sources, with extensive envelope shaping options and cycle length multiplication/division capabilities.

4ms Spectral Multiband Resonator is an innovative multiband resonant filter, created in collaboration with 4ms as a Modular expansion. It features six channels of resonant bandpass filters, and can process audio like a classic resonant filter, vocode, re-mix tracks, harmonize and so much more.

Eurorack in your computer. A modular synthesizer plug-in developed in partnership with Doepfer, featuring component-modeled versions of seven analog hardware modules.

A compact semi-modular analog synthesizer from Sonicsmith featuring a single VCO with square and triangle waveforms, a dedicated LFO, two VCAs, and patch points for integration with other analog gear, powered by a standard 9V DC supply.

A Eurorack envelope generator module providing classic attack, decay, sustain, and release control with normal and inverted outputs, plus a manual trigger button.

A Eurorack module featuring two multi-waveform voltage-controlled LFOs with cross-modulation, each offering saw, square, triangle, sine, and combination waveforms up to about 120Hz.

Synthesizers.com Portable Systems are USA-made classic-styled custom analog modular synthesizers designed for portability and road use. Available in QSP22 (22-space) and QSP44 (44-space) cabinet configurations, they use the same form factor as Moog modulars with an upgraded power supply. The systems feature stable oscillators, ladder and state variable filters, a 14-bank fixed filter bank, and 24-step analog sequencers that can be daisy-chained.

Synthesizers.com Rack Mount Systems are contemporary analog modular synthesizers offered in pre-configured rack configurations compatible with Moog modular standards. The QSR8 is an 8.75-inch frame accommodating eight single-width modules, while the QSR24 consists of three stacked QSR8 units in a wooden enclosure. These systems feature hyper-modularity allowing any module to be placed anywhere without rewiring, including power modules.

Synthesizers.com Studio Systems are custom analog modular synthesizers built in the USA using Moog-compatible form factors with modern reliability and upgraded power supplies. Available in QSS22 (22-space) and QSS44 (44-space) wood cabinet configurations with an optional 5-octave MIDI-to-CV keyboard, the systems feature hyper-modularity allowing unrestricted module placement. They deliver classic analog synthesis with modern engineering, making them a practical alternative to vintage modular systems.

A quadrature low frequency oscillator with triangle, sine and square waveform outputs, each with 4 outputs 90 degrees apart. Features coarse and fine tune controls and a CV input to modulate frequency.

Expander module that adds 4 additional waveforms (saw, trapezoid, shark, chainsaw) to the Animate oscillator, connecting via two 4-pin connectors for power and shared waveforms.

A triple multiplier with three identical channels, featuring manual and voltage control over amplitude, and a mode switch selecting between VCA/crossfade and two four-quadrant multiplier modes.

A circuit bent video enhancer meant to process Composite video, generating effects ranging from soft color shifts to heavy distortion, with a CV input and attenuator to control contrast. Requires a Eurorack case and power supply.

A circuit bent video enhancer meant to process Composite video, generating effects ranging from soft color shifts to heavy distortion, with a CV input and attenuator to control contrast. This standalone version comes assembled in an enclosure with a +12V DC wall wart.

A triple analog combiner aimed at combining two signals in various ways such as average, difference, min, max, XOR and mix, useful for combining video signals to create 2D shapes.

A triple exponential and logarithmic shaper with three identical channels, featuring manual and voltage control over the curve of the input signal, transitioning from exponential to linear to logarithmic.

A Composite/Component video filter based around a lowpass/highpass filter that can soften/blur or enhance/sharpen the incoming video signal, with frequency, resonance and dry/wet controls. Requires a Eurorack case and power supply.

A Composite/Component video filter based around a lowpass/highpass filter that can soften/blur or enhance/sharpen the incoming video signal, with frequency, resonance and dry/wet controls. This standalone version comes assembled in an enclosure with a +12V DC wall wart.

A Component to RGB colorspace converter and luma processor that decodes SD/HD Component video to 1V RGBY outputs, with a processor section featuring attenuverter and offset controls.

A triple wave shaper that shapes a triangle signal into sine, antisine, exponential, logarithmic, trapezoid, antitrapezoid and asymmetric folding wave forms, pairing well with oscillators and ramps.

A triple 3-bit posterizer that quantizes an input signal into 8 equal steps using an ADC/DAC, with a bitswap feature that swaps bits together to create colorization effects.

A 1x3 matrix mixer with its outputs normalized to 3 VCAs, allowing any of three inputs to be mixed to any of three outputs with dedicated attenuators, plus a VCA section for amplitude control.

A dual video rate oscillator featuring two independent oscillators with selectable sync, frequency and amplitude modulation, square and triangle/sawtooth wave outputs, plus a mix output.

A video ramp generator and sync extractor producing horizontal and vertical ramps, mirrored ramps, sync outputs, and 2D shapes such as diamond, rectangle, cross, star and ellipse.

Seuils is a Eurorack module built around a comparator and boolean logic circuit designed to phase shift ramp/saw signals. It generates pulse and shift outputs with three channels offering AND, OR and XOR logic combinations.

Solaire is a Eurorack module combining a quad full wave rectifier with a triple 2:1 mixer, with normalisation between rectifier stages and mixers. It can convert ramp/saw waves into triangles, double triangle frequencies, and create solarization-type folding effects.

Sortie is a Eurorack RGB to Composite/S-video/Component encoder and sync generator supporting SD and HD standards. It automatically selects the video standard when an external sync signal is present.

Stable is a Eurorack module combining a processing amplifier and glitch stabilizer for Composite/Component video. It provides control over contrast, brightness, hue and saturation while extracting and re-inserting synchronization to keep the output signal stable.

VU001B is a video distribution amplifier used to distribute a Composite video signal to multiple monitors or capture devices, or to distribute sync across multiple modular systems.

VU001C is a triple video distribution amplifier module aimed at distributing Component video to multiple monitors/capture devices, or three independent Composite or sync signals.

VU003B is a Eurorack Component to RGB decoder and luma processor, converting SD/HD Component (YPbPr) video to 1V RGBY outputs with a normalized processor input for contrast and brightness control. Sold as a DIY PCB set.

VU004 is a quad inverter Eurorack module that inverts a signal while keeping it between 0-1V. Sold as a DIY PCB set.

VU006 is a low frequency to audio rate quadrature oscillator Eurorack module, outputting four sinewaves 90 degrees apart, based around two self-oscillating filters. Sold as a DIY PCB set.

VU007 is a Eurorack module that encodes 1V RGB video into SD Component video, using a 14pin sync cable for composite sync and blanking. Sold as a DIY PCB set.

VU007B is a Eurorack RGB to Composite/S-Video/Component encoder with an integrated sync generator supporting multiple SD and HD video standards. Sold as a DIY PCB set with pre-populated SMD parts.

VU008 is a Eurorack module that phase shifts ramp/saw signals, resulting in horizontal/vertical displacement, and waveshapes sine/triangle signals. Sold as a DIY PCB set.

An analog 1:8 switch controlled by three gate signals. It works bidirectionally to switch gates, control voltages, or audio signals, using the three control gates as a binary number to select the active input/output.

Virtual Eurorack studio providing a complete modular synthesis environment. Includes 30+ built-in modules, access to 2000+ community modules via the VCV Library, polyphonic cables, module preset sharing, and total patch recall.

Paid edition of the VCV Rack 2 virtual Eurorack studio. Rack 2 Pro runs as VST2, VST3, Audio Unit, CLAP and standalone, with free and Pro modules and professional support.

Discontinued

The Wiard Modular System is a contemporary analog modular synthesizer featuring extensive patching capabilities with numerous knobs and LEDs. Affordable individual modules begin under $400, and each can function independently with other vintage analog CV/Gate equipped instruments. The system holds up to six modules with over 20 combined functions in a single rack.

A dual zero-crossing VCA and polarizer Eurorack module with digitally controlled CV and attenuation for clickless amplitude changes. It includes trigger mode, built-in sample and hold, and bipolar polarizer/ring modulation capability.

Javelin is a Eurorack ADSR envelope generator with an integrated VCA, featuring 3 level ranges, 3 time ranges, and a unique Accent input that climbs higher with consecutive gates for expressive sequences. It also includes Choke and Reset inputs plus CV over Attack and Release.

Modbox MKII is a dual-LFO and multifunction modulation module featuring a three-phase LFO, a variable-skew LFO, a digital sample & hold with Turing-machine mode, and an analog noise source, all with clock sync.

An 8-stage analog wavefolder Eurorack module that mangles simple waveforms into complex shapes using thresholds and target voltages, with internal modulation sources for animating multiple parameters simultaneously.

A dual channel gated slew Eurorack module that adds acid-style pitch slide effects to voltage signals, functioning as two independent slews, tied A/R envelopes, or an envelope follower.

A 4x4 passive matrix mixer that routes multiple input signals to multiple output destinations for flexible custom mixing.

A 2HP passive multiple module that distributes one input to six outputs, ideal for oscillator signals rather than control voltages.

A three-channel passive mixer with DC-coupled inputs, suitable for mixing CVs and modular-level audio signals.

A DIY PCB/panel set for the PMX3.2 passive mixer module, requiring the builder to solder surface-mount resistors and supply the remaining components.