This a 24 Watt Class A Amplifier circuit made from discrete semiconductors like 2N3055. This audio amplifier can drive up to 24W Class A into 8 Ohm. ... 24 W audio amplifier circuit diagram.

Better Class AB amplifier designs slightly outperformed the current dumping designs. The Leach amp by Marshall Leach is a good example. Of course once Class D amplifiers started becoming good ...