Synths + Kits

Erica Synths Pico RND is a combined LFO/random source module. Features   Sine and pulse LFO with manually controlled frequency White noise generator LFO rate synchronization to the external clock Internally and externally clocked S&H CV...

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...

Erica Synths Pico VCO2 – powerful, full analogue VCO with great tracking over 8 octaves just in 3HP! Combine two of those, add some PWM and have a sound of real analogue beast! Features Manual TUNE and PWM controls  +-1 octave...

Erica Synths Pico VCF1 is a younger brother to the Erica Black Polivoks VCF, designed on similar topology using rare Russian opamps. Features Lowpass and bandpass modes Self oscillation  Rare russian opamps used Input protection against...

The Erica Synths Pico VCA2 is compact voltage controlled amplifier module, based on reliable AS3330 chip. It features two independent channels, and the first one comes with the manual offset adjustment, useful for full span vibrato effects. Audio and CV...

Pico Mixer is simple 3 channel DC coupled mixer intended to mix AUDIO SIGNALS AND CV SIGNALS in order to obtain complex modulations. Also it may serve as CV AND AUDIO attenuator. Features 3 inputs  Diode protection against overvoltage Technical...

Erica Synths Pico Modulator combines Envelope Generator and VCA in one module and it has straightforward controls for live performances. Features Selectable AD or ASR modes Selectable lin or log envelope shapes Loop mode without Gate in Envelope...

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. Features Classical LPG sound  VCA...

Erica Synths Pico INPUT module is just what you need to interface your modular system with external synths or even your mp3 player or mobile phone. Features   Independent L and R inputs 3,5mm stereo input Independent gain adjustment for L and R...

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...

Erica Synths Pico DSP is a smaller brother to our famous Black Hole DSP module. It features 8 custom effects with two adjustable parameters and CV control over the first parameter. Features 8 great sounding stereo custom effects 2 adjustable parameters...

Pico Drum2 is compact yet versatile percussion synthesizer in a 3 HP eurorack module. It features 8 drum synthesis algorithms created to deliver distinct sounds to your modular system. Each algorithm offers a lot of flexibility therefore a big...

Erica Synths Pico Quant is an advanced CV quantizer with some unique features – quarter tone accuracy and a web-based interface for creating user generated scales. Features 8 preset scales Web based interface for user generated and extra preset...

Erica Synths Pico Trigger module provides a master clock for the Pico System and it generates up to 16 step patterns of 4 triggers, simple clock divider patterns, and more advanced polyrhythmic patterns of different step length for triggering drums...

  this is a full kit to build a michael barton dual simple quantizer it includes everything you need to assemble the module, except for wire and solder power cable components are included and require assembly the module is only 3" deep

  Blacet Improbability Drive 2510 The ID2510 is a versatile noise producing module, using analog noise as the basic source. Digital noise is produced by sampling the analog noise with a window comparator and a sample and hold circuit. The sample...

  Blacet Filthy Filtre 2310 We acquired Blacet research in 2019 after the unfortunate passing of its founder, John Blacet. We will continue to make Blacet products available and support the FRAC format.  Best discussion forum for the frac...

  Blacet VCO 2100 We acquired Blacet research in 2019 after the unfortunate passing of its founder, John Blacet. We will continue to make Blacet products available and support the FRAC format.  Best discussion forum for the frac...

  Barton Dual Simple Quantizer (Frac Banana)  

  barton bmc001 dual simple quantizer frac format

  Barton BMC010 Dual Decaying Noise (Frac)   full kit for 1U frac rack users! barton musical circuits- dual decaying noise 2 digital noise outputs, the knobs set the decay, and the switches select between linear and logarithmic decay...

  from stroh modular, a series of frac-rack format modules for synth DIY this is the fadex plus  bundle includes the fadex PCB and the frac panel: 2U wide, black anodized aluminum, etched graphics with white infill paint.  jack holes...

this is a full kit to build the pt audio dual digital oscillator in frac format.  the panel is 3U wide anodized black aluminum with etched white infill.  the kit includes standard 3.5mm jacks and banana jacks, so you can choose either build...

new for the frac rack format, this is the classic Steiner Microcon synth voice module   It consists of a VCO, VCA, VCF, LFO and EG panel is suitable for banana jacks or traditional 3.5mm jacks   full kit contains all the parts needed to...

  Barton Dual Quantizer (Frac Banana DIY)   this is a full kit to build a michael barton dual simple quantizer it includes everything you need to assemble the module, except for wire and solder power cable components are included and...

  Blacet I/O 2225 The 102225 is a versatile input signal processor module designed to amplify signals from a wide variety of sources to standard modular levels of lOV p-p. In addition, a SV power source is included on the 1/ 4" Input jack to...

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...

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...