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 [...]
This relatively simple mixer was designed for three dynamic microphones, but can be re-designed for more or less. Level and tone controls are available to tailor the sound to your needs. Part R1, R2, R3 3 1K 1/4W Resistor R4, R5, R6 3 10K Logarithmic Pot R7 1 1Meg 1/4W Resistor R8, R10 2 10K [...]
As simple as it gets. The mixer consists of two transistor-based preamplifiers. The first one (designated “Mike in”) offers higher gain. it works well with a regular dynamic microphone. The second one can be used to control audio input from a tape recorder/CD player. Source:http://www.geocities.com/tomzi.geo/index.htm Thank you. Related Links Circuits More circuit about audio mixer [...]
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