This amplifier was found in a 1957 Rayrtheon documentation. The circuit can be fitted with a BC558 transistor. Driver and output transformers can be obtained from unused transistor radios.
August 2017 - Heat sinks for use with Arcol / Aluminum resistors can be obtained from Mouser...
Can be used as a shield, this old American documentation circuit offers digitally selected...
This circuit charges a battery to power a flashlight at night. The circuit is from an English...