Tone control circuit

Posted on Mar 16, 2013

A simple single-transistor circuit will give approximately 15 dB boost or cut at 100 Hz and 15 kHz respectively. A low noise audio type transistor is used, and the output can be fed directly into any existing amplifier volume control to which the tone control is to be fitted

Tone control circuit
Click here to download the full size of the above Circuit.

The gain of the circuit is near unity when controls are set in the flat position.

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