The signals from this circuit obtained from the 1965 Radio Shack documentation are picked up from a medium wave receiver. L1 and L2 have 80 to 100 turns of yarn 28 on a ferrite rod.
This receiver for the AM band with 6 transistors was manufactured in the 60's in Japan. The power...
Found in General Electric's 1969 documentation, this circuit uses two Foto Darlingtons to control...
This circuit is placed between the instrument pickup and the amplifier input. The same version can...