This amplifier provides up to 15 W of output when powered by a simple 12 V source. The integrated circuit must have an excellent heat sink.
This power supply for model railroad was found in a February 1961 Radio Electronics Magazine. The...
This interesting circuit of the American publication Electronics Handbook Volume XIII 1993 shows a...
Found in a 1978 publication, this circuit uses germanium transistors and drives a small 20 to 50...