Simple Audio Mixer With FET

Friday, February 17th 2012. | Audio Processor

Description Of Simple Audio Mixer With FET

This simple circuit mixes two or more channels into one channel (eg. stereo into mono). The circuit can mix as many or as few channels as you like and consumes very little power. The mixer is shown with two inputs, but you can add as many as you want by just duplicating the “sections” which are clearly visible on the schematic.

Wiring Diagram Of Simple Audio Mixer With FET

Audio Mixer,Simple Audio Mixer

Part List Simple Audio Mixer With FET :

  • R1,R3 = VR 10K
  • R2,R4 = 100K
  • R5 = 6,8K
  • C1,C2,C3 = 0,1uF
  • Q1 = 2N3819 JFET

Note :

As many or as few channels as are required can be added to the mixer. Do this by just duplicating the input “sections” which are shown on the schematic. A shielded case is probably needed to reduce hum and help stop oscillations. The circuit can be powered by a single 9 volt battery.

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