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.
SIDACs are not yet common components in power applications that involve voltage tripping. However,...
This circuit was found in a 1994 Electronics Now. The circuit uses an old analog TV flyback and...
Any high-gain Darlington transistor can be used on this touch circuit. The load can be formed by...