MATRIXSYNTH: POLYKIT-6 - New DIY Digital Controlled Analog Polyphonic Synthesizer

Monday, December 20, 2021

POLYKIT-6 - New DIY Digital Controlled Analog Polyphonic Synthesizer


video upload by Polykit

"Over the last year I built this digitally controlled polyphonic synthesizer. All schematics and PCBs I created myself (except of the chorus). It was harder than I thought to finish this project but I learned how to layout PCBs and a lot about vintage synthesizers.

Specs are:
- 6 voice polyphonic analog DCO based on Juno 106
- Sawtooth and pulse
- PWM control (manual, LFO)
- MIDI input
- CEM3350/AS3350 state variable filter
- Lowpass and bandpass output
- Frequency cutoff controlled by ADSR and LFO
- Resonance control (manual, LFO)
- LFO
- 2x ADSR based on CEM3310/AS3310 (SVF, VCA)
- Juno 60 chorus clone

All schematics and PCB layouts can be found on https://github.com/polykit

Attention! This not for beginnners in electronics nor a finished product."

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