This circuit has tone control, and its power depends on the supply voltage. The circuit is from the Philips integrated circuits manual from 1990.
This circuit is suitable for automotive signaling applications. The integrated circuit is not...
Found in a 1967 Delco documentation, this circuit can deliver power from 40 to 50 W at 8-ohm load....
The circuit in the figure is from a source with the possibility to adjust the output voltage from...