Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be replaced with equivalents. MOSFET is the critical component of the circuit.
This effects circuit can be used with microphones or guitars. The circuit is from an American...
This low Power output stage can source a fraction of watt to a small loudspeaker. The transformer...
This circuit turns off after a time that depends on C1. The circuit is from an Electronics Now...