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.
This shield circuit for lamps and other charges was found in a Popular Electronics from the 90's....
Using the well-known 2N2646 that was popular at the time, this circuit was found in Radio...
We found this circuit in a Popular Electronics of the 90s. The circuit can also be used as a seat...