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 is a circuit that should not be used for readers interested in a fair game. The circuit...
This circuit has a general-purpose transistor to compensate for the non-linearity of the generated...
This circuit was found the Optoelectronics Sourcebook by Texas Instruments. Any phototransistor...