Xotic AC/RC Booster / ACDC Drive

Copy of xotic bb0fc53177f5

General The Xotic AC / RC booster is a Tubescreamer based circuit. Instead of the Tubescreamer like frequency filter tone control (which only filter the mids), the RC/AC has a Baxandall tone stack. This enables to filter the high and bass frequencies. The schematic of the RC and AC booster is basically the same, but … Read more

Heart Throb Tremolo

Heart Throb Tremolo c341bb298509

The Heart Throb is a Schaller Tremolo circuit modified by MarkM, and uses pretty standard parts that you probably have kicking around in your parts drawer(s). The SPDT switch controls the rate. I’ve added polarity protection and power filtering. The LED not only is an on/off indicator, but will pulse to the rate of the … Read more