We found this circuit for vocal effects in the September 1990 issue of Radio Electronics magazine. The circuit works with signals from two inputs of a stereo system.
This circuit is from an American documentation from the 90's. The SCR can be of any type and the...
Designed for battery-powered applications with output voltages from 0.8 V to 1.2 V the regulator shown is...
The transducer used in this configuration that appears elsewhere on this site is a piezoelectric...