Loading project Things
README.mdView source
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 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