This 50 W amplifier was found in the November 1983 Radio Electronics issue. The circuit is suitable for the case and includes a preamp with tone control using off-the-shelf components.
This circuit was obtained in a Motorola manual, but it applies to almost any operational...
Found in a 1990s Motorola documentation, this circuit aims to protect a triac that drives an...
Found in a 1968 documentation, this small amplifier was very popular at the time being used in...