This high-power amplifier with only 4 integrated circuits was found in the 1990 special issue of Radio Electronics Experimenter magazine. The circuit reaches 100 W per channel.
Using power transistors of the time, this source was published in Radio Electronics magazine in...
Found in an American publication on transistors from the 60's, this circuit uses a transistor...
This circuit is from a very old publication, from the 60s. It uses germanium transistors from the...