This circuit is placed between the instrument pickup and the amplifier input. The same version can be found from other sources in this section. This is from an English magazine from the 80s.
This circuit for ceramic cartridges was found in the March 1993 issue of Electronics Now magazine. Q1...
This circuit is an alternative to the previous circuit. We found it in the same article in the...
Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR...