Found in Electronics Now from the 1980s, this amplifier can also be seen in commercial amplifiers of the time. The integrated used is uncommon nowadays. The power is 33 W.
The transformer inf this circuit is a 6 or 9 V unit and diodes 1N4002. The filter capacitor is 2...
This vibrato circuit was found in Motorola's 1966 documentation. The circuit uses transistors of the...
Found in a General Electric documentation from 1970, this circuit consists of a relaxation...