https://github.com/polykit/kosmo-sidechain
Kicad PCB and schematics for sidechain/ducking module in Kosmo modular synthesizer format
https://github.com/polykit/kosmo-sidechain
Last synced: 4 months ago
JSON representation
Kicad PCB and schematics for sidechain/ducking module in Kosmo modular synthesizer format
- Host: GitHub
- URL: https://github.com/polykit/kosmo-sidechain
- Owner: polykit
- Created: 2022-12-15T22:28:43.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2022-12-17T13:55:57.000Z (over 3 years ago)
- Last Synced: 2026-02-06T13:33:01.845Z (4 months ago)
- Size: 1.95 MB
- Stars: 9
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
# Kosmo Sidechain (Ducking) Module
This repository contains schematics and PCB layout files of a Sidechain/Ducking module in Kosmo format originating on a design by Juanito Moore. Gerber files can be found in the [plots](plots/) directory.
## Schematics & PCB


## BOM
|Ref |Qnty|Value |Name |Description |
|--------------|----|----------|-------------------|----------------------------------------------------------------|
|C1 |1 |1u |CP-Device |Polarized capacitor |
|C2, C3 |2 |10u |CP-Device |Polarized capacitor |
|C4 |1 |100n |C |Unpolarized capacitor |
|D1, D2, D3, D4|4 |1N4148 |1N4148 |100V 0.15A standard switching diode, DO-35 |
|J1 |1 |Kick |AudioJack2 |Audio Jack, Mono, 6,35mm |
|J2 |1 |In |AudioJack2 |Audio Jack, Mono, 6,35mm |
|J3 |1 |Out |AudioJack2 |Audio Jack, Mono, 6,35mm |
|J4 |1 |POWER |Conn_02x05_Odd_Even|10-pin IDC Connector |
|R1 |1 |10k |R |Resistor |
|R2, R8 |2 |100k |R |Resistor |
|R3 |1 |33k |R |Resistor |
|R4, R6 |2 |47k |R |Resistor |
|R5, R9 |2 |220 |R |Resistor |
|R7 |1 |1k |R |Resistor |
|R10, R11 |2 |10 |R |Resistor |
|RV1 |1 |Mix 10k |R_POT-Device |Potentiometer |
|RV2 |1 |Amount 10k|R_POT-Device |Potentiometer |
|RV3 |1 |Decay 100k|R_POT-Device |Potentiometer |
|U1 |1 |TL074 |TL074 |Quad Low-Noise JFET-Input Operational Amplifiers, DIP-14/SOIC-14|
|U2 |1 |Vactrol |VTL5C |Low Cost Axial Vactrols |
## References
https://www.youtube.com/watch?v=cXaip9cjlhU
https://www.instructables.com/Freestyle-High-Fidelity-Ducking-Circuit/
https://lookmumnocomputer.discourse.group/t/side-chain-module-ducking
https://www.lookmumnocomputer.com/modular
https://github.com/telec16/kicad
https://github.com/holmesrichards/Kosmo_panel