Erica Synths

12V center positive PSU

High quality Erica Synths 3.5A PSU (12V, centre “+”) for skiff cases and modular systems.

5V@1A Eurorack Rail Adapter

CV and audio processor.

Quadrople VCA in compact size.

Quality VCA with bargraph.

Module for smooth cross-fading.

Add an ADSR envelope to your Bullfrog.

Erica Synths Modulator is an advanced modulation and pitched noise source with focus on rhythmic (but not limited to) compositions in mind. It features two identical syncable to the BPM LFOs/noise sources with selectable morphing waveshapes. LFO frequency can be manually adjustable, as well as they provide frequency divisions and multiplication in Sync mode. Each LFO has two outputs- main one and secondary one with adjustable phase, so you can create evolving modulations. Furthermore, LFOs can be linked to work at the same frequency and the first LFO has built in VCA to control output signal amplitude.

ASR envelope with looping.

Simple yet efficient dual VCA.

LINK is the module that bridges eurorack to destop mixers — it has 5 sections that attenuate eurorack signals to line level signals and send them to 6,3mm jacks for quality connection to the mixer. The module is 8HP wide.

Envelope and VCA combo.

Precision scaler for Moog synths.

Active buffered multiple.

Output module with headphone preamp.

Advanced CV quantizer.

LFO & random source.

Compact VCA module.

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Erica Synths Black 8-splitter is an advanced replacement for stackable patchcables – it is active buffered multiple with signal status LEDs.

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Erica Black CV Processor allows you to manage CV signal levels and polarity.

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Erica Synths Black Dual EG/LFO has two full ADSR EGs and two unique LFOs with plenty of features just in 10HP!

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Erica Synths Black Quad VCA, despite its compact size, is designed in line with the Black Series Hi-Fi philosophy, our custom pre-emphasis – de-emphasis circuits preserve all the nuances of the original signal.

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Erica Synths Black VC Clock is the beating heart of your modular system.

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Erica Synths Black Voltage Controlled Envelope Generator gives you the ultimate control over envelopes in your modular synth.

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Erica Synths Black Voltage Controlled Envelope Generator brings you the ultimate control over envelopes in your modular synth.

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Erica Syths Black VC EG Expander takes the Black VC EG to the next level – it outputs gates or CVs for each active stage of the envelope so you can design some really advanced patches. Inverted and bipolar envelope outputs are also available.

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Erica Synths Black VCO Expander essentially is an advanced waveform mixer plus two octaves down suboscillator, it allows you to explore wave design in brand new areas.

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The core of the Envelope Generator is borrowed from the famous Russian synth Polivoks.

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Erica Synths DIY Polivoks-inspired VCA is 35mm deep, skiff friendly, has solid mechanical construction and doesn’t require wiring.

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Complex analogue modulation source.

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The Fusion VCA/Waveshaper/Ringmodulator is a complex sound processor that combines VCA, waveshaper and ringmodulator. It’s not a regular VCA; it can operate as one, but most of the power of the module is in advanced modulations – with two CVs applied simultaneously to different stages of the VCA, audio rate modulations, using ringmodulator as a waveshaper – your imagination is the limit!

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Erica Synths Pico A LOGIC module is our CERN Hadron Collider for CVs! It takes two incoming CVs and outputs momentary SUM and DIFFERENCE of both CVs as well as follows curves MAXIMUM and MINIMUM values of both CVs.

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Erica Synths Pico Attenuator is a dual passive attenuator.

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Erica Synths Pico CV Mixer is a simple 3 channel DC coupled mixer, intended to mix CV signals in order to obtain complex modulations. It can also serve as a CV attenuator.

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If you wish to upload your own drum samples to Pico DRUM module or upgrade firmware for several Erica Synths modules, you’ll need an Erica Synths Pico DRUM programmer.

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Pico EF is Erica Synths take on envelope follower module in 3hp! Pico EF features a preamp with +40dB gain (enough to boost even guitar and dynamic microphone signals for use in a modular system), envelope output with adjustable attack time and a gate output with adjustable threshold. The Pico EF can be used as a preamp, overdrive unit or for controlling VCFs with audio signal, or to use with external instruments to control your modular system in other creative and experimental applications.

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Erica Synths Pico Envelope Generator brings you a straightforward AR/ASR linear or logarithmic envelope generator and LFO in a 3HP module.

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Pico LFO/S&H is full analogue modulations source – LFO and Sample and Hold – to provide some controlled randomness to your modular setup.

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Erica Synths Pico LOGIC is a Boolean logic module that allows yout to manage several Gate signals in advanced ways.

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Erica Synths Pico Mask is an advanced random CV signal generator that generates sample and hold CV signal within user defined mask.

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Erica Synths Pico Multi is an advanced replacement for stackable patch cables – it is active buffered multiple that will work for signal splitting (audio, clock etc.) in any circuit.

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Erica Synths Pico SCALE module allows you to manipulate audio or CV signals – attenuate, boost, invert and offset – in order to achieve interesting modulation effects.

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Erica Synths Pico SEQS is an advanced 4 channel sequential switch with sophisticated control over switching the channels – it combines clock and/or CV signals to advance to the next step and to define the number of steps.

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Erica Synths Pico Switch is designed for simple audio (several VCOs) or cv signal (sequencers, EGs, LFOs) routing.

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Erica Synths Pico Trigger to Gate module is one of the few modules around that converts triggers to gates using smart algorithms that enhance your musical compositions and rhythm patterns.

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Erica Pico Dual VCA is a simple, reliable LM13700 based linear voltage controlled amplifier that can be configured as two independent VCAs or a stereo VCA with the same CV control.

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If you consider to use rack ears to mount Erica Synths 84HP enclosure in the studio rack, you may want to access the PSU connection from the front of the case, instead of the top. Then the 4HP PSU connection module is a solution. PSU Input module is intended to be used with external PSUs which provide an output voltage from +9V to +12V ("+" in the centre).

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Erica Synths 8 channel Sequential Switch is the first assembled module for Erica synths, and it allows you to sequence up to eight sound sources in advanced ways or route one sound source sequentially to eight different sound modifiers- VCFs, waweshapers, VCAs, etc.

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Erica Synths 8 channel Sequential Switch is a unique module that allows you to sequence up to eight sound sources in advanced ways or route one sound source sequentially to eight different sound modifiers – VCFs, waveshapers, VCAs, etc.

Full aluminum 104HP 57mm deep 1 row eurorack skiff enclosure + lid with aluminum rails of unique design.

Full aluminum 42 HP 40 mm deep 1 row skiff enclosure with aluminium rails of unique design.

Full aluminium 84HP 57mm deep 1 row eurorack skiff enclosure with aluminium rails of a unique design.

Erica Synths all aluminum travel case is slimmer and 25% lighter than regular plywood travel cases. It houses 2x104HP of eurorack modules and the lid is deep enough to transport your modular with a patch ready for performance.

We believe it will soon be possible to travel & now lighter than ever! Erica Synths gives you one of the lightest and most durable eurorack travelcases available – the Carbon Fiber Travelcase! Weighing just 3,2kg it houses 2x104HP of eurorack modules and the lid is deep enough to transport your modular with a patch ready for performance. The Erica Synths Carbon Fiber Travelcase will be a reliable companion when traveling to gigs and keep your precious system protected.

Full aluminium 2x84HP 57mm deep skiff eurorack enclosure with aluminium rails of unique design.

Takes the Code Source to the next level.

Envelope which can turn triggers into gates.

Module with 24 custom FV-1 effects.

Movement recorder, distinct LFO and drone/noise oscillator.

Our take on genre defining FX – Krautrock Phaser.

Compact, high quality audio mixer.

4x splitter / 4x mixer combo.

Modulation and noise source.

Buffered multiple.

Versatile filter with overdrive.

Compact mixer with mute switch.

Octagonal LFO with phase shift and CV control.

Analog VCO with SAW waveshaper.

Erica Synths Clap is developed together with French company e-licktronic and it's our take on analogue clap circuits adapted for modular systems. Sharp, punchy sound, Accent & CV control over Tone make it distinctively expressive in studio and live performances.

Erica Synths Cowbell module is an extended, modular version of Yocto (808) cowbell. For more sonic versatility we have added Tune and Decay controls, as well as Tune CV with an attenuator for nice vibratos.

Erica Synths Cymbals is a distinct topology digital/analogue module, where cymbal samples are passed thru AS3330 based VCA and controlled via envelope generators of unique design. The module features 10 sets of custom Crash and Ride cymbal samples with Tune control and individual Decay control. Accent and CV control over Tone and Decay allow you to create lot of variations in the Cymbals track. An extra feature is sample looping – when it’s on, a certain part of the sample is looped while the envelope decay is on, thus creating a distinct, delay-like effect. Cymbal samples are developed by producer and musician Nero Bellum.

Case for ed.edu x mki modules.

Contemporary version of the synthesizer.

The beauty of Eurorack is that you are not limited to a specific synthesizer form factor. This can vary anywhere from super-compact, specialized performance systems to huge studio installations. While we have many options available for the former, the latter was missing from our Eurorack case lineup and we have finally created the missing piece – a large Eurorack case that provides exceptional value for money.

The Megarack S is the (slightly) smaller sibling of our Megarack – a large Eurorack case that provides exceptional value for money.

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The Erica Black CV Expander is the satellite module to our HADSR envelope generator, it allows each envelope parameter to be controlled via external control voltage CV.

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The Erica Synths Black DADSR (Delay-Attack-Decay-Sustain-Release) is a fully analogue envelope generator that gives you extended control over events in your modular synth. It’s a looping exponential envelope generator that has voltage control over each stage of the envelope. An independent Gate Delay section adds extra functionality to design advanced soundscapes, like delayed modulation effects, wave morphing, etc.

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Erica Synths Black Envelope Generator is a compact, fully analogue envelope generator with some cool bonus features like gated loop and gate delay for nice acid basslines and veeeerrryyy slow drones.

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Erica Synths Black HADSR Envelope generator is a feature-rich yet easily operated five stage envelope generator. If you wish to add more versatility, you can use it with the Black CV Expander.

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The Black High Pass VCF is designed for analogue purists, who take sound design seriously. It’s highly stable, 24dB/oct resonant high pass VCF with voltage control over cutoff and resonance. Bonus features are built in post-filter overdrive circuit with user adjustable drive amount and the Black Filter Coupler connector.

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Erica Synths Black Hole DSP by default has 16 effects, each with 4 adjustable and CV controllable parameters and CV controlled effect select.

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Erica Synths Black Joystick Controller is a manual command center for your modular setup, it also generates several sets of CVs and alters incoming CV signal. The joystick doesn't have a spring.

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Erica Synths Black LFO is a broad function module, but some of it's features set it apart from other LFOs, like for example the gate input for a key follow function and a built in VCA circuit that controls LFO amplitude in both auto and gated modes.

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Erica Synths Black MIDI-CV is a compact, highly accurate and easy to use duophonic MIDI interface.

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Erica Synths Black Modulator is a fully analogue modulation and noise source.

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Erica Synths Black Output Module is high quality output mixer and stereo panner with balanced outputs and a headphone amplifier for monitoring your modular masterpieces.

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Erica Synths Black Polivoks System is a Polivoks-inspired 84HP two-VCO modular system with 55 patch points that go well beyond classical monosynths.

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From rich synth leads, massive bass-lines and cosmic sounds to impressive drones in stereo Erica Synths Black System II – a well-considered selection of Black Series modules - is designed to be a reliable instrument for work in studio or for live performances.

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The Erica Synths Black System III is a self-contained & performance oriented system, featuring well-considered collection of the best sounding and the most versatile Black Series modules. It will be a reliable companion for experienced musicians and unlimited source of inspiration for any eurorack enthusiast.

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Erica Synths Black Voltage Controlled Clock is a module with advanced features (tap tempo, shuffle, divided/multiplied clock out, random clock out, CV input) and a bright segment LED display.

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Erica Synths Black Wavetable VCO is a compact, fat sounding wavetable VCO that features 16+ banks of selected waves: classical synths, FM synths, Erica modular, vowels and others.

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Das Kleine Fusion is a younger sibling of our Fusion System II – a vacuum tube based eurorack modular synthesizer for sounds of unprecedented pressure. Das Kleine Fusion is intended to use with an external FXes therefore we omitted Fusion Delay module and made the system more compact and affordable.

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Erica Synths DIY Bassline is a fully analogue synth voice module for ultimate acid basslines. It features highly stable AS3340-based VCO with three wave-forms, a filter inspired by Erica Synths Acidbox and a unique feature - transistor based suboscillator. Accent provides more expression to the bassline by adding volume and slightly opening the VCF.

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The core of the VCO is borrowed from the famous Russian synth Polivoks VCO and in exponential converter we use the original matched transistor IC that was used in Polivoks.

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Erica Synths Fusion Drone System is here for those, who want to explore the dark territories of the sound, where only few have stepped in.

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Vacuum tube based eurorack modular synthesizer for sounds of unprecedented pressure.

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The Quadraphonic Surround Panner is expander row of modules for the Dada Noise System II.

A black wooden stand for your 104HP wide (one or two row) eurorack case

Black side panels for Erica Synths 2x84HP case.

Rigid, 2mm aluminum powder coated and 300mm wide studio cable holder can host over 80 studio cables in perfect order! Two screws for fixing the cable holder are included.

Make juicy basslines on your Bullfrog

Enable patch save on your Bulfrog

Electric organ sound for your Bullfrog

Add a Highpass filter to your Bullfrog

Instant generative wind sounds

Enable the sampler/looper functionality on Bullfrog

Add a sequencer to your Bullfrog

Protect your setup from damage at home, in the studio or on the stage

Protect your setup from damage at home, in the studio or on the stage

Illustrated book that teaches drum sequencer design.

Fully-featured circuit design playground.

Spare PCB for Labor Potentiometer/jack socket

Power eurorack from Labor!

Spare PCB for Labor Switches

Ready-to-use mki x es.edu Labor unit.

We wanted to organize patch cables that were hanging on all possible objects in our Lab, therefore we decided to make patch cable holders.

Bundle of 3 voice cards

Illustrated book that teaches analog kick drum design.

KONSTRUKT-8 Enclosure + Power Supply

Panels for DIY series modules with new look.

Our aluminium case kit for the TubeOhm Jeannie synthesizer turns the DIY Jeannie into a proper, studio-grade instrument.

Limited run of e-licktronic YOCTO2 full aluminum cases from Erica Synths!

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A third Black Wavetable VCO expansion ROM chip brings you 8 great sounding custom wavetables and a whole new palette of sounds for your Black Wavetable VCO.

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DSP FX expansion ROM adds third extra bank with 8 new effects to your Black Hole DSP! Shimmer reverbs, gritty distorted delays and fun mini loopers will take your Black Hole DSP unit to the next level of fun.

Core of the famous Polivoks VCF in stereo.

VCF and VCA combo with that classic sound.

Smooth DJ style VCF.

Versatile LPG with envelope.

Authentic Polivoks VCF emulation.

Authentic sounding emulation of Polivoks VCF.

Satellite for Black HP and LP modules.

As its name suggests, the Erica Synths DJ VCF STEREO module provides sound treatment functionality typically found on DJ decks – it is fully open when the cutoff knob is at 12:00. When turned counter-clockwise, lowpass filtering is applied and when turned clockwise, highpass filtering is initiated. Additionally, there is a nice-sounding, adjustable resonance parameter. This provides hands-on control over the sound during performances as well as unconventional timbre modulations that are hard to achieve with conventional state variable filters.

Beating heart of any subtractive synth.

The Graphic Resonant Filterbank (FB) is a ten-band analogue filterbank with digital control over each bands’ boost or cut. Each band can be controlled individually via CV or manually, while complex control configurations turn the filterbank into an unconventional multimode filter and even an instrument in its own right when played with various resonance settings. The Expander module (works exclusively with the Graphic Resonant Filterbank and is available separately) provides hands-on adjustment of boost and cut for all bands.

Polivoks based VCF.

Performance and studio-ready analog stereo filterbank.

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Erica Synths Black Dual VCF is a dual multimode filter with CV control over cutoff and resonance for serious modular patches.

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The Erica Synths Black Low Pass VCF is designed for analogue purists, who take sound design seriously. It’s highly stable, 24dB/oct resonant low pass VCF with voltage control over cutooff and resonance. Bonus features are post-filter overdrive circuit with user adjustable drive amount and the Black Filter Coupler connector.

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Dtech VCF has all buffered inputs with diode protection, diode protection on reversed power supply voltage, 1V/oct response. Designed by our friend, genius engineer and musician Edward Dtech, PCB by Girts, Erica Synths. B- stock consists of items from demo systems and items sent back from our costumers. They may be used therefore they may have some minor visual defects, however all modules are fully tested and in perfect working condition. We also give 1 year warranty to all our B-stock products.

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Erica Synths DIY Multimode VCF is a multimode filter with a CV control over cutoff and resonance and simultaneous LP, BP and HP outputs for serious modular patches. The core of the VCF is a highly stable, custom multimode VCF chip AS3320 (produced in Riga, btw).

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Polivoks VCF is famous for its’ crazy resonance sweeps and deep, bassy sounds that make it ideal for acid basslines.

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Erica Synths Fusion VCF is our take on a four pole lowpass filter. Each side of the double triode drives signal between 2nd and 3rd stage of the filter, while germanium diodes are used to limit the output signal.

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The Fusion VCF3 is resonant 24dB/oct lowpass filter of unique design that combines vacuum tubes and vactrols, providing distinct, soft filtering. For more versatility, the independent audio mixer and buffered multiple is incorporated in the module, and, most importantly – a CV recorder that records motion of the potentiometer, so you can design advanced modulation patterns.

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Erica Pico LPG is our take on classical Don Buchla LPG designs. We use vactrols in the circuit for that signature sound, and we added some more features, like configurable resonance and built-in decay envelope.

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Erica Synths Pico VCF3, despite its small size, is a mighty, classical sounding 24dB/oct lowpass filter that makes Pico System sound like much larger setups.

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Analogue modulation for any audio source

Erica Synths Bassline is fully analogue synth voice module for ultimate basslines and leads. It features AS3340 VCO with three waveforms, a filter inspired by Erica Synths Acidbox and unique features - transistor based suboscillator and two BBD lines that emulate VCO detune creating a sound of massive polysynth from one oscillator. Accent provides more expression to the bassline, by adding volume and opening the VCF slightly.

Educational electronic music instrument.

Educational synthesizer. Teachers edition.

From basslines and rave sounds to massive drones.

Build a real VCO from scratch!

Erica Synths Graphic VCO allows you to draw your own waveforms, arrange them in wavetables and wavetable banks, morph between two selected waves and alter the resulting wave in advanced ways (FXes) – apply FM, phase distortion, ring modulation, wavefold/wavewrap, bitcrush.

Mindphaser is a next generation complex dual oscillator for the Eurorack modular synthesizer format. Its dual oscillator architecture builds on and advances principles developed decades ago, by pioneers of electronic music synthesis.

Build full modular DIY system!

Digital VCO with 32 waves.

Analogue VCO in 3hp.

8 sound generation algorithms.

True physical modeling synthesizer.

Analog synthesizer with a user interface inspired by Synthi.

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Erica Synths in cooperation with the Liquid Sky Artistcollective presents the new Dada Noise System II - a modular synth-lab which is dedicated to create all kind of abstract organic analog noise / ambient soundscapes / industrial noise / bad ass bass / spheric atmospheres / experimental unheard drones / sonic glitches and of course all kind of thrilling horror- and scifi-sounds for the professionals. Every single module of the system is already a sound source of its own, therefore the possibilities for sound-, noise- and atmo-experiments are endless.

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Erica Synths DIY Synth Voice consists of all essential blocks for a versatile monosynth and is 100% patchable for even more controll options.

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Erica Synths Fusion VCO is a special kind of VCO – it fuses the great tuning of a digital VCO with the warm and unique sound of vacuum tubes that work in suboscillator circuit.

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Fusion VCO2 is a full analogue sound source with lots of distinct features.

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Erica Synths Liquid Sky Dada Noise System is an experimental sound-lab for Musique Concrete / ambient noise / abstract sounds and sound design. Created in cooperation with the liquid sky artistcollective Berlin & Portugal. Great for processing field recordings, pads, experimental vocals, extra terrestrial atmospheres and for generating mad noise patterns and pads.

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An 84HP two-VCO modular system with 53 patch points that go well beyond classic monosynths. This is not just a Polivoks clone.

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Erica Synths Pico System II is the world’s smallest modular synthesizer.

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Erica Synths Pico System III is affordable, compact, yet powerful sounding, full analogue modular system. It comes in two formats – eurorack and desktop.

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Erica Synths Pico System III is affordable, compact, yet powerful sounding, full analogue modular system. It comes in two formats – eurorack and desktop.

Output mixer and a stereo panner with balanced outputs.

Compact stereo mixer.

6 – input, 16 - output desktop patch matrix.

Erica Synths Drum Mixer with extended headroom and a dedicated drum compressor of unique design keeps each drum sound clearly distinguishable and adds power to the final mix. Bonus feature - effects send output allows to apply external effects to the signals on the first three inputs. LEDs next to each input give visual feedback on the signal level.

Erica Synths Drum Mixer Lite is compact version of Drum Mixer. It features extended headroom and a dedicated drum compressor of unique design keeps each drum sound clearly distinguishable and add power to the final mix. Bonus feature - effects send output allows to apply external effects to the signals on the first three inputs. LEDs next to each input give visual feedback on the signal level.

Drum Stereo Mixer completes the drum mix and has configurable stereo inputs to receive signals from stereo FX modules and stereo output to interface the modular system with external devices. LEDs next to each input give visual feedback on a signal level.

Mixer with distortion.

Panning mixer with headphone preamp.

4-channel mixer with FX send.

The Mutant Hot Glue is a versatile bus mixer for analog effects chain design. The included analog compressor offers series or parallel compression and a sidechain input, making it particularly well suited to drum processing. The voltage controlled distortion is based on ideas borrowed from the guitar pedals responsible for a lot of yesterday’s acid style techno sounds, but improved over the guitar equivalents, and made specifically for synthesizer and drum processing. The distortion can be used in its default position, normalized to the effects send, or like every other part of the module, broken out and used elsewhere in your modular system.

Mix audio and CV signals!

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Erica Synths Black Pre-fade Listen Expander is a satellite module for Erica Synths Black Stereo Mixer.

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Erica Synths Black Stereo Mixer is just what you need if your setup has several of the nowadays more and more popular modules with stereo inputs or outputs like Black Hole DSP, Erica Fusion Delay, MI Clouds or others.

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Erica Synths Fusion dual Mixer is designed to mix and overdrive audio signals on the vacuum tube.

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Erica Synths Pico Audio Mixer is a simple 3 channel, AC coupled mixer intended to mix audio signals before feeding them in other modules.

Hands on drum machine with 7 sample-based voices

Full-fledged digital drum machine with an integrated sequencer.

Essence of analog drums in a practical form factor.

DIY drum machine that teaches circuit design.

Analog knob-per-function drum machine.

Erica Synths Perkons Voice is a eurorack incarnation of the percussion voices from the PERKONS HD-01 Drum machine. Like on the drum machine, the module has hybrid architecture, featuring a digital sound engine followed by an analogue multimode filter and overdrive. Users can select among 13 sound generation algorithms and save up to 99 presets that can be recalled easily. Tune and Patch CV inputs are configurable for various CV settings and are tuned to 1V/oct. Module also features a 4-voice poly overlap mode and samples on the "Rompler" engine can be easily replaced.

Versatile drum synth in 3HP.

Ultimate tool for rhythm based music production.

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Unique live performance and sound design instrument.

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Erica Synths Pico DRUM1 module gives you two independent and great sounding drums with versatile control over different parameters and a huge collection of drum samples.

Hi-fi stereo delay with a lot of unique features.

Hi-fi stereo delay with BBD, Tape and digital modes.

Hands-on precision delay which can blend into reverb.

Bucket brigade delay.

Inspired by beautiful malfunctions

Delay unit with analog filter and overdrive.

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Erica Synths DIY BBD Delay/Flanger is one of the few BBD (bucket brigade delay) chip based DIY modules. The module is designed to provide variety of effects from flanger to delays with adjustable flavours and plenty of modulation possibilities.

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Erica Synths DIY Delay is hi-fi delay module with unique functionality typically found on advanced factory-produced units.

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Pico BBD is great sounding, full analogue 4092 stage bucket brigade delay module; the smallest BBD in eurorack. Besides nice flanger and delay effects, at full CW settings of TIME and feedback knobs it can produce extreme sonic artefacts. Take note that this BBD unit doesn't have any kind of post delay filter therefore the higher the delay time setting the higher the produced noise in the output!

The Drum Sequencer is easy to use, classical X0X style live performance oriented sequencer module that provides the ultimate control over your system. Erica Synths Drum Sequencer might be the last modular sequencer for drums and basslines you will ever have to buy!

Hands-on rhythm engine.

Compact, yet versatile 5 step sequencer.

Fully featured sequencer in 3hp.

Clock & trigger generator.

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Pico SEQ2 is straight-forward, full analogue 4 step sequencer/waveshaper with adjustable sequence length. If you want to have a simple, compact stepped modulation source in your setup, then this is it! Particularly interesting use of the Pico SEQ2 is waveshaping – just apply any audio source to the CLK IN, tweak the knobs and be amazed!

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Erica Synths Sequential Switch CV Expander turns the Sequential Switch into a powerful CV/Gate sequencer, it connects to the Sequential Switch via ribbon cable supplied with a module.

Bundle for classic analog drum sounds.

New take on the 808 bassdrum.

Bassdrum with more power, grit and flexibility.

Clap inspired by the 909 circuits.

Classic hi-hat reborn.

Erica Synths Toms is developed in collaboration with the French company e-licktronick and it's our take on analogue toms circuits adapted for modular systems. Massive, punchy sound, Accent and Tone CV make it distinctively expressive in studio and live performances.

The Mutant Brain is the central nervous system connecting your modular analog eurorack system to MIDI gear, especially for percussion, polyphonic notes, and sync duties! It packs 16 eurorack compatible outputs into a tiny, super affordable 8HP package.

MIDI splitter and USB MIDI interface with extras.

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Erica Synths DIY MIDI-CV is compact, highly accurate and easy to use duophonic MIDI interface.

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Erica Synths midi thru box is professional quality, no latency, one midi In to 8 midi Through splitter in rigid aluminum case. It allows to connect up to 8 instruments to your sequencer or master keyboard and control them simultaneously without undesired delays and interference.

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Esrica Synths MIDI to Clock V2 is an essential module if you wish to sync your modular system to MIDI devices.

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Erica Synths MIDI to Trigger module lets you control your drum modules and trigger events on your modular from any MIDI sequencer!

Whether you use it for self-sequencing, for adding a dash of randomness to your filter movements, or for rough analog bitcrushing, a sample & hold-circuit can often be the secret sauce that takes your patch from decent to distinctive. That’s why we came up with this super simple JFET-based implementation – and then upgraded it with a couple of extra features like an internal clock generator or a dedicated slew output.Of course, we’ll need an interesting input to sample – which is why you’ll often find sample & hold modules with an integrated noise generator. So we’ll do the same! But instead of just one noise color, we’ll throw in two extra: pink and blue in addition to the standard white noise.We – Erica Synths and Moritz Klein – have developed a series of educational DIY kits under the brand name mki x es.EDU with one specific goal in mind: to teach people with little-to-no prior experience how to design analog synthesizer circuits from scratch. What you’ll find in the box is not simply meant to be soldered together and then disappear in your rack. Instead, we want to take you through the circuit design process step by step, explaining every choice we’ve made and how it impacts the finished module. In total, we have developed 9 kits to build a fully-featured modular monosynth: a sequencer, a VCO, a wavefolder, a noise/S&H module, a mixer, a VCF, an Envelope generator, a dual VCA, and an output stereo mixer with a headphone amplifier. Additionally, an affordable eurorack case with a DIY PSU will also be available. While these kits are easy to build, we did not compromise on design and functionality. We will launch one kit every 4-6 weeks. For each kit, there is an extensive user manual (40+ pages; can be downloaded separately) that will dive deep into not only the electronics behind each circuit but also the fundamental principles of sound synthesis. We hope that the mki x es.EDU project will inspire future engineers and will contribute to the ever-growing diversity of electronic music technology.NB! All kits in these series are simple and come with extensive user manuals which can be downloaded separately, therefore we will not provide customer support in case your DIY build fails to function or similar.EDU DIY Noise/S&H on Modulargrid & Modwiggler

VCNO is a noise oscillator, capable of producing full spectrum white noise and various random signals. But that’s where its similarity to other noise generators stops. VCNO can be used like a VCO – you can modulate the pitch over CV and use its multiple outputs simultaneously, each with a distinct sonic character. As well, you can patch it into a VCA or use it to modulate and trigger other elements in your modular system.

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The Black Digital Noise is our pathological brainchild. A unique noise module that makes wide range of noise effects; almost pure white noise, Atari console-like one bit noise and other crazy, more or less predictable sounds. At the heart of the module is a programmable logic matrix that includes two linear feedback shift registers that generate polynomial noise effects.

Discontinued

The SWAMP is a random CV and audio generator inspired by the famous Wiard Wogglebug module; it’s often the heart of self-generating patches and brings controllable randomness to your modular system.

Discontinued

Pico NOISE is a versatile noise and percussion sounds source. It consists of white a noise generator, a resonant VCF to generate various colours of the noise – from extremely dark ones to high pitched resonant sweeps and a VCA/decay envelope generator combination to create range of percussion sounds to emulate hi-hats, cymbals and even sine tone-based percussions, when the resonance is full up.

Analog punch and metallic tones.

The Machine began as a quest to create a rich-sounding eurorack snare drum synthesis module to complement the existing Mutant Drums. The project quickly became too large and costly to justify the module being capable only of snare drum sounds. So, the decision was made to learn from the architecture of the TR-909’s snare and kick circuits, to develop a module capable of generating multiple forms of analog percussion, and various other effects.

The Mutant Rimshot is a fully analog rimshot and clave generator inspired by the rimshot found in the legendary 909 drum machine; a triple bridged-T oscillator coupled with a state variable filter. The clave sound (not a feature of the original 909 rimshot) is achieved by using just one of the oscillators.

LXR eurorack module is a compact and great-sounding percussion synthesizer based on the sound engine of the LXR-02 drum machine. While retaining the core interface of the LXR-02, this module adds the essential eurorack ingredient - assignable CV control over parameters and many more tweaks in the user interface for better integration in any eurorack system.

Erica Synths Snare Drum is developed in collaboration with the French company e-licktronick and it's our take on analogue snare drum circuits adapted for modular systems. Sharp, punchy sounds, Accent & CV control over key parameters of the module make it distinctively expressive in studio and live performances.

To add some space to your compositions and nuances in sound design Erica Synths Dual FX module brings you two identical sections of 8 custom effects with two adjustable and CV controllable parameters.

BBD based multifunctional analogue effects module.

8x custom effects in 3hp.

Discontinued

Erica Synths Fusionbox is a distinct multifunctional analogue effects unit that combines BBD chip based effects – delay, flanger, chorus – with tube overdrive in the delay output and feedback path for extra thickness of sound.

Simple double wavefolder.

High-voltage distortion.

Unique stereo distortion and waveshaper.

Iconic hi-hat sound.

Erica Synths full analogue hi-hats module with accent and manual and CV control over Tone and Decay (individual for each hi-hat) allows you to create lot of variations in hi-hats track. Closed hat and Open hat can be played independently or exclusively (Open hat will not trigger, if Closed hat is triggered). The module is developed in collaboration with French company e-licktronic.

Hi-Hats D is Erica Synths take on classical digital hi-hats. Instead of using an integrated circuit DAC chip Hi-Hats D are using 6-bit discrete DAC for that unmistakable crunchy sound. For amplitude shaping samples are passed trough AS3330 based VCA and are controlled with an analog envelope generator for versatile and snappy sound. Extra feature is Open Hi-Hat looping – when it’s on, a certain part of the sample is looped while the envelope decay is on, thus creating distinct, delay-like effect.

Erica Synths Bass Drum is developed in collaboration with the French company e-licktronick and it's our take on analogue bass drum circuits adapted for modular systems. Massive, punchy sound, Accent & CV control over key parameters of the module make it distinctively expressive in live performances.

Erica Synths Bass Drum is developed in collaboration with French company e-licktronic and it’s our take on analogue bass drum circuits adapted for modular systems. Massive, punchy sound, Accent, and CV control over key parameters of the module make it distinctively expressive in live performances.

Unmistakable bassdrum sound.

Rack ears for your modular system to sit nicely in your studio setup.

Rack ears for your modular system to sit nicely in your studio setup.

Rack ears to install your SYNTRX in a studio deck.

Spring reverb with built-in feedback FX.

Versatile hi-fi stereo reverb with freeze.

Musical reverb for small spaces and massive textures.

Discontinued

Versatile module for sound shaping

Discontinued

Erica Synths Fusion Ring Modulator – a classic design ring modulator with germanium diode ring + vacuum tube to boost and shape audio and carrier signals.

Discontinued

Erica Pico Ring is a balanced modulator (quadrant multiplier) circuit to create bell-like, metallic or robotic sounds. It has built-in sinewave modulation oscillator for more versatility.

Shape the dynamics of your sound.

Everything sounds better with compression – whether you need a bit of extra pressure for your drum sounds or just that extra touch to make your modular mix more nimble and tight, the Erica Synths Stereo Compressor will make your live performances a joy. The module is optimized for percussion sounds and will be a great addition to any Erica Synths Drum module rig. The Stereo sidechain can be used to animate melodic layers on the beat and to truly bring your Basslines to life.

Control your Bullfrog without touching it.

This Expander module provides hands-on adjustment over all bands’ boost and cut without the need to select bands via pushbuttons on the Graphic Resonant Filterbank module. This makes sound design with the Graphic Resonant Filterbank much easier.

The STEREO FX module brings hi-fi stereo effects into the Erica Synths Drum Series. Based on our new DSP engine, the module provides a wide range of custom delay and reverb effects. CV control over various parameters and the ability to save up to 10 presets will make this module an integral part of any performance rack.

Five-voice chromatic stereo resonator

For extreme, distorted drums Dual Drive module is a must! The module features two identical overdrive sections with adjustable Gain and Drive level, each with three flavors of overdrive. CV control over Gain and Drive adds more expression, while built in limiter prevents output signal to run into undesired clipping. Furthermore, the output of the first section is normalled to the input of the second, so you automatically get extreme, versatile dual overdrive circuit. The module can be used in the stereo appliations as well and it's not limited for drums only - it will turn any sound source into roaring monster.

Small module, big distortion!

Lo-fi music mangled based on RPi Pico.

Sample Drum is 14HP eurorack sample player module with straight-forward, intuitive interface, functionality and great sound quality, designed with live performance use in mind.

Punchy and snappy snare!

Mutant Snare Designed by Hexinverter, from classic electro snares to warping, alien percussion, the Mutant Snare is a radical departure from the static sounds of the TR-808.

Multi-tool for Labor.

Discontinued

Erica Synths Black Double Bass is unique module that combines two transistor suboscillators (-1 and -2 octaves) and lowpass filter. It does not make sound on its own, but it will turn any VCO or beeper into massive bass sound with CV control over octave mix and cutoff frequency. Sync input that resets suboscillators on incoming pulse, provides even more versatility in sound design. The module can be also provide aggressive distortion, when used with percussive sounds like bassdrums.

After the phenomena of the hardware FX unit Zen Delay, its virtual successor is now available. While our engineers have achieved a remarkable implementation of the ZEN Delay hardware’s distinctive sound, we have not stopped there but enhanced the functionality in many ways, not just automation in the DAW but also new functions and routing possibilities. Zen Delay Virtual (ZDV) is not a replacement for the Zen Delay hardware but an addition to it.

Audio signal booster.

Discontinued

The Cursible from Sacrament Modular brings effects morphing (and much more) to the Eurorack format. The Cursible is a 14HP 6 channel, morphing effects-send matrix with an incredible feature set and a vast amount of applications from morphing / sequencing through and blending effects through to cadavre exquis style mixing of sound sources or control voltages.