How to design a basic overdrive pedal circuit - Wampler Pedals
Build Your Own Guitar Distortion Pedal Circuit
Designing the Hard Bargain distortion pedal – Electric Druid
Schematics — Electronic Audio Experiments
GEO's Effects Schematics
GEO's Effects Schematics
from schematic to reality
I plan on building a diy guitar pedal based on this schematic, but I'm not sure what the circled part could be. My electrotechnics profesor told me that I need a Time
Doctor Pedal - Pedal Effects Dissected
ElectroSmash - Selected Schematics
StompBoXed - The Guitar Pedal Builders Repository: Japanese Guitar Effect Schematics