This circuit makes use of a mechanical delay line to produce the reverberation effect. This is a '80s setup, showing both channels for a stereo system.
This JFET amplification stage was found in the April 1993 issue of Electronics Now. The input...
This circuit with TTL output was found in a 1968 EEE. The transistor can be of general use. The...
Using a piezoelectric sensor of the time, this circuit was found in the February 1994 issue of...