This fuzz effect for guitars was found in an American 1980s documentation. The transistors may be the BC549 and should be battery powered for noise sensitivity. Diodes are commonly used.
This circuit was found in a January 1981 Radio Electronics magazine. The transistors are the well...
The oscillator shown in the figure generates a rectangular signal with a 50% active cycle (square)...
It is an ideal assembly to be implemented as work by students of digital electronics courses, as...