Stereo Preamp With Tone Control Circuit

Posted on Nov 27, 2012

A Motorola TCA5500 or TCA5550 can provide a stereo preamplifier system with tone controls. This circuit provides a gain of about 10X, a 14-dB tone-control range, a 75-dB volume control range, and it can operate from 8 to 18 Vdc. IC2 provides 15 V for ICl, and the input of IC2 can be supplied from the power amplifier`s power supply (+) rail.

Stereo Preamp With Tone Control Circuit
Click here to download the full size of the above Circuit.

Dl and R5 should be used if over 30 V input will be used.

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