OD820 Overdrive Pro

OVERDRIVE

In 1994, one Bill Finnegan (and two engineers from MIT) sat down and created the Klon Centaur, one of the most talked-about circuits of all time. While it was at its core an overdrive circuit, it boasted several innovations that put it ahead of the rest of the stuff out there. For one, it included a robust power supply that provided a theoretical 27 volts of headroom from a nine-volt supply. Perhaps more notably, the Centaur thrust the idea of dual-gang potentiometers into the groupthink of pedal development. While these weren’t cutting-edge tech in 1994, very few pedals utilized them. In fact, the Shin-Ei Uni-Vibe is one of the only popular pedals I can remember using one (C100K in fact).