2-INPUT AUDIO MIXER by 2N3904
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.
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Categories: Audio diagram, Pre Amplifier Tags: 2N3904, audio mixer, transistor audio mixer
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