This amplifier stage without an output transformer was found in Radio Electronics magazine from October 1963. The supply is 12 V, and the output is 8 or 16 ohms.
This circuit is from the time when photos were revealed in darkrooms. We found it in a 1968...
With the use of a very sensitive and lockable relay this circuit can be used in intervals of 15 to...
This circuit was found in the April 1971 Radio Electronics magazine. The transformer is the type...