They settled on a DTMF system for the control tones ... would switch two different tapped inductors into the circuit to produce the dual-tone audio signal. Other switches controlled power to ...

“I was thinking about doing a split tone control,” Reeves explains. “So a PJ setup, but then I'd have a separate tone ...

Brooklyn-based boutique pedal maker Pigtronix is following up the success of the Cosmosis 1 in January with the all-new Gas Giant, "a single footswitch analog jumbo fuzz pedal with a dual-function ...

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 ...