MatrixMix

     

MatrixMix 4x4 Release status: beta [box doku]
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

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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

• Doepfer DIY