This amplifier with fixed AC bias was found in a 1947 documentation. The circuit uses two transformers in the power supply and two full-wave rectifier tubes.
Found in an old Radio Electronics, this circuit uses common components today. The resistors of the IC...
Found in a 90s Popular Electronics, this circuit uses common components. The power transistors can be...
Found in a Popular Electronics from the 90s, this amplifier uses an integrated circuit from the...