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 ...

Many years ago, audio equipment came with a tone control, a simple RC filter that would cut or boost the bass to taste. As time passed, this was split into two controls for bass and treble, and the… ...

Simple Circuit Offers Single-Adjustment Tone Control Jan. 24, 2012 A simple circuit uses one control device to control bass and treble simultaneously, with a symmetric response that is flat at the ...