This circuit was found in an Electronics Now from the 90's. The integrated regulator circuit and the power transistor must be equipped with heat radiators.
Found in a Popular Electronics this circuit has double regulation. The integrated circuits used...
This fuzz effect for guitar and guitar was found in documentation from the 90s. However, it can...
This circuit is from a June 1968 Supertena Bulletin of Popular Electronics. The transistors can be...