the final layout

She’s big and bulky, but you can’t ask for too much when you’re dealing with pre-printed PC boards. The 22k resistor in the…

the first of four…

This was my first attempt at building the circuit on the PC board. Unfortunately, I think I’m going to have to get a…

two ears. two channels.

Double the circuit for stereo. This is a breadboard representation of a single “channel.” Each channel will have its separate PCB with controls.…