This circuit is from a 1968 Electronic Design. The characteristics of the output transformer are not given and the transistors are of the time. The circuit provides a power of a few watts.
We found this configuration in a 1974 publication. Transistors can be replaced with equivalents such as...
This circuit was obtained in Motorola documentation from 1969. The transistors are from the time...
The purpose of this circuit is to pass an audio signal from one channel to another in a...