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

Maestro FZ-1B Fuzztone (2 transistor version)

Maestro FZ 1B f9bdbf032f1d

This was (I believe) the 3rd iteration of Maestro’s Fuzztone fuzz pedal. The first 2 used germanium transistors and AA batteries. This marked the changed to silicon transistors and a 9v battery. Originals had 2N3860 transistors, but 2N2222s or 2N3904s would probably work just fine. Couldn’t find any info on the diode, so socket and … Read more