This 8 W amplifier with germanium transistors was found in a Japanese documentation from 1967. The circuit is of the commercial type and is powered by two 12 V batteries or by a symmetrical source.
Found in a 1968 American documentation, this circuit generates 1 kHz signals. The SCR used is not a...
We found this circuit in a 1968 Electronics World. The transistors are from the era and...
This circuit was found in a 1965’s General Electric documentation. It is intended for low voltage...