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 low-power transistorized amplifier was found in documentation from the 90s. The circuit uses...
This circuit is from Popular Electronics from March 1991. It can still be assembled with the...
The voltage of this symmetrical power supply depends on the regulating integrated circuits, which...