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 is from 1971 American documentation. Transistors are still common except for 2N2060...
Originally suggested by Popular Electronics to control Christmas lights, this circuit can...
I found this electronic organ in magazine published in 1976 from my vast collection of foreign...