This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
Found in a Popular Electronics of the 90s this configuration can be seen elsewhere on our site....
This circuit for receiving or transmitting low power was found in old American documentation. It is...
This power supply can be implemented with a TIP32 providing an adjustable output at the 2k2...