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Channel: Products – Thonk – DIY Synthesizer Kits & Components
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4ms QPLFO Kit – Quad Pingable LFO

This is a full kit which includes all required parts. The Quad Pingable LFO is a compact, playable four-channel tap-tempo, clock-syncable LFO with variable skew and reset. The QPLFO is designed to be...

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Befaco ‘Slew Limiter’– Panel / PCB Set

INTRODUCTION A voltage controlled slew limiter, AKA Lag Processor. FEATURES A Slew limiter is a device that smoothes an incoming signal, limiting the maximum rate of change of the output voltage over...

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Befaco Dual Attenuverter – Panel / PCB Set

CV/Audio utility able to atenuate, invert and apply offset to an input signal. With the main pot (atenuverter) at right it will multiply the signal by 1 and at the left will do by -1. Offset control...

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Befaco ‘BF-22 Dual Sallen VCF’– Panel / PCB Set

PLEASE NOTE, THE DIY VERSION OF THIS FILTER COMES WITH A BLACK PANEL ONLY This is a dual Hi/Low pass filter. Inspired by the famous sallen key filter from original Korg MS-20. All SMD parts are...

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Befaco ‘A*B+C’– Panel / PCB Set

Dual four-quadrant multiplier with VC Offset. This unit does an analog multiplication of two signal (A and B) and add an offset (C). It can act as a dual voltage controlled attenvuerter, dual ring...

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Befaco ‘Spring Reverb’– Panel / PCB Set

This is our take on an analog spring reverb module. Featuring VCAs for the two available inputs (with different routing), CV control for DRY/WET and visual feedback for signal levels at input and...

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Befaco ‘Midi Thing’– Panel / PCB Set

MIDI thing is a compact 4 channel Midi to CV/Gate interface. Featuring 12 bit converters that allow v/oct control with around 1 cent precision. Four different modes available: Mono: One MIDI channel...

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Befaco ‘Even VCO’– Panel / PCB Set

This is an voltage controlled oscillator (VCO) with great precision, designed to be stable even in the case of power supply fluctuations.Supplied with an octave selector of 10 positions from 32′ to...

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Dannysound Cali Oscillator – Full DIY Kit

The Cali Oscillator is Dannysound’s new and improved version of the legendary Buchla Model 258 VCO. The oscillator features the classic Sine to Square and Sine to Saw wave shaping with dedicated CV...

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Dannysound EN129 Thru-Zero Oscillator – Full DIY Kit

The EN129 is based on the pioneering work by Douglas Kraul and Bernie Hutchins. You can read the original Electronotes article from 1981 that the design is based upon here. The EN129 Thru Zero...

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Fonitronik Cascade PCB/Panel

There are two options to build this 4hp 66mm deep eurorack module: Eurorack Panel – 4hp Aluminium Panel Full Eurorack PCB Set – Eurorack Panel PCB and Mixer PCB Mixer PCB Only – For building the mixer...

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Fonitronik Cascade Full Kit

This is a full DIY kit to build this 4hp 66mm deep eurorack module. All parts are included right down to the knobs, power cable and screws. Illustrated Build Document  and Fonitronik Manual –...

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Majella Audio VVCA – Full DIY Kit

The VVCA is a fully analog dual linear VCA which can be used for audio and CV signals. The VVCA features two identical VCA’s. What makes VVCA unique is that each VCA has a velocity input, allowing you...

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LPZW.Modules – PO-Series Eurorack Adaptor – DIY Kit

Adapt a Teenage Engineering Pocket Operator for use as a 12HP Eurorack module. This DIY Kit comes with all SMD components already pre-soldered and contains all the other components needed to build the...

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RYO Altered States – Dual SVVCF Panel / PCB Set

Altered States is a dual analog state variable filter in a 20hp module. The filter cores are 12db/oct and based around the clean and reliable 2164 Quad VCA chipset. They offer full voltage control...

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RYO Altered States – Dual SVVCF Full DIY Kit

Altered States is a dual analog state variable filter in a 20hp module. The filter cores are 12db/oct and based around the clean and reliable 2164 Quad VCA chipset. They offer full voltage control...

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Moffenzeef Modular – Eurorack Power Breakout PCB

The Eurorack Power Breakout is a simple and effective way to get a Eurorack power supply connected to your breadboard. The EPB has footprints for a shrouded header, reverse polarity protection diodes,...

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Entrospec IUNGO – Full DIY Kit

Iungo is designed to bridge the worlds of modular synthesizers and MIDI controlled instruments. This module lets you create both monophonic and polyphonic sequences to play your MIDI gear, all...

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Moffenzeef Modular – M.S.G. PCB & Chip

The “MSG” (Mini Søund Generatør) is a standalone desktop noise synth whose brain is a small, swappable computer chip (Attiny85). Once your MSG is built you have the opportunity to interchange chips to...

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Befaco ‘Even VCO’– Full DIY Kit

This is an voltage controlled oscillator (VCO) with great precision, designed to be stable even in the case of power supply fluctuations.Supplied with an octave selector of 10 positions from 32′ to...

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