This circuit was found in the September 1989 issue of Radio Electronics magazine. The circuit uses components that support modern equivalents such as the operational amplifier.
This circuit was found in an American documentation from 1970. We can increase the number of...
This sound effect for guitars uses a 555 to modulate the signal from an instgrument pick-up. The...
With NAB equalization we found this circuit in an English documentation from 1967. The transistors used...