This is a tone-control/karaoke circuit I built for my Circuit Design (EE210) class at Penn State. - karaoke-tone-control-circuit/README.md at main · ahan321/karaoke-tone-control-circuit ...

This classic tone control circuit uses a low noise transistor model which is interesting. The transistor makes the adjustment more suitable for the person to hear. The variable resistor also plays an ...

A simple circuit uses one control device to control bass and treble simultaneously, ... Simple Circuit Offers Single-Adjustment Tone Control. Jan. 24, 2012.