DIY and Pre-Assembled Eurorack Products


Created by potrace 1.16, written by Peter Selinger 2001-2019

LjunggrenAudio RYO Optodist: an OptoVCA with distortion and LED limiting.

- Distortion with characterful overdriven sound.
- VCA. - on board LED limiter circuit soft-clips signal through 4 LEDs on front panel for a different flavour of distortion.
- Basic manual attenuator.
- Analogue optocouplers used for Non-intrusive voltage control of VCA.
- All analogue circuitry.
- Hi-fidelity signal chain with low noise opamps.
- Buffered inputs and outputs.
- Sim 6HP footprint.
- Compact 31mm Depth (with power cable attached).
- Low power draw: 16mA+12V / 16mA -12V /no +5V required.
- Works for audio as well as CV.
- Plucky dynamic CV response.


RYO Optodist

Optodist User Manual

Optodist Quickstart

Look in the User Manual for a selection of inspiring patch ideas and tips!

Optodist assembly guide

Optodist BOM

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Optodist Schematic

Optodist Datasheet