We found this circuit in the November 1992 issue of Radio Electronics magazine. The circuit has two integrated circuits, one of which is a preamplifier stage. The power supply must be dual.
This amplifier provides 20 W of power on each channel, containing separate filters to power a...
This circuit of a few watts of power shows a typical configuration from the 70s using driver and...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...