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.
We found this chopper circuit in a 1967 publication. The transistors are of the time, and current...
This circuit was found in a 1977 Radio Handbook. The ports used are CMOS like 4001 and the...
Ohmite TGHD non Inductive High Power Resistors Available in SOT-227 enclosures, these Ohmite...