electret mike amp

Posted on Jun 15, 2012

This circuit amplifies the output of a regular electret condensor microphone quite nicely.. adjust sensitivity by turning R1

electret mike amp
Click here to download the full size of the above Circuit.

all resistors are 5 or 10 percent tolerance, 1/4-watt all capacitors are 10 percent tolerance, rated 35 volts or higher

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