Operating in class AB1, this high-fidelity amplifier was found in the 1961 RCA tube manual. The circuit has high input impedance and good gain.
This circuit is from an English magazine from 1976. By replacing the transistor for a BC548, the...
This fuzz circuit is more elaborate with the previous ones, as it has a selection switch that...
This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the...