This 20W amplifier was found in 283 circuits from the 90s. The MOSFET admits equivalents. The power supply must be dual, and the transistors must be mounted on good heat sinks.
This circuit was obtained from the 1995 Encyclopedia of Electronic Circuits Volume 5. The circuit...
This circuit was obtained in an old American manual. The circuit is valid for any operational. The...
This circuit is from Motorola documentation from the 70s. The transistors support modern...