This old amplifier, with germanium transistors, was found in a Japanese technical magazine in 1967. The circuit has a fractional power of watts and a gain of 26 dB with 40 mA of resting current.

This old amplifier, with germanium transistors, was found in a Japanese technical magazine in 1967. The circuit has a fractional power of watts and a gain of 26 dB with 40 mA of resting current.