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.
We found this circuit in a 1972 documentation. The transistor, in fact, is a unijunction that can...
We found this circuit in Radio Electronics magazine from June 1960. The four-transistor circuit is...
This circuit was found in an old documentation. It converts DC voltages and its maximum current...