This guitar effect circuit was found in a 2002 documentation. The circuit can be powered by a 9 V battery as it has low consumption. The connections of the input and output audio signals must be shielded.
This circuit was found in a Popular Electronics from the 90s. The circuit uses a general purpose...
Found in Precision Monolithics documentation from the 90's, this circuit equalizes octave signals...
This circuit that appears in similar versions on this site was found in a Popular Electronics from the...