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MatrixMix

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MatrixMix 4x4

Release status: beta [box doku]

Matrixmix01.jpg
Description A simple yet extendable matrix mixer
Last Version  0.1 (2017-12-11)
Download  GitHub Repo

A simple passive 4x4 matrix mixer. Extendable, and with sync passthrough.

Features

  • 4 Inputs
  • 4 Outputs
  • Extension ports so extend the mixer to many more inputs, or add buffers/amplifiers to the outputs
  • Sync passthrough, to support sync signals on the audio jack, like in Teenage Engineering Pocket Operator synths. Selectable on each input/output

Pictures

Parts

Part of Circuit Part Number Distributor Amount
Potentiometer (10kΩ log) Bourns PTV09A-4025S-A103 mouser 16
3.5mm jacks EBSF 35 reichelt 8
Resistors 1k/10k (?) reichelt 16

Versions

v0.1

  • Potentiometers are wired the wrong way, they all turn the wrong way
  • 10k Pots and 10k mixing resistors don't turn things all the way down

References