3 Line Mixer Schematic

3 Line Mixer
source: unknown

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This project is a 3 or more lines mixer. For more than 3 inputs you can repeat the input parts (P=10K R=22K). It powered with 9Vdc.

Componets Layout

PCB (5,5cm x 4,4cm)

Source: http://www.electronics-lab.com/projects/audio/009/index.html