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 can be implemented with almost any operational amplifier. For the circuit shown, the...
This circuit was found in a 90s American documentation. The circuit uses still common components...
This power supply uses integrated voltage regulators for 1 A of the 78xx series. The output...