This amplifier, whose mounting on a printed circuit board was described in Radio Electronics of October 1960, has 35 W of power. The power supply uses a transformer and a set of 5 tubes.
This circuit was found in Delco documentation from 1966. The components are from that time....
This circuit was found in the November 1989 Radio Electronics magazine. Power supply depends on...
This circuit was obtained from ancient American documentation. The circuit combines a JFET with a...