How to design a basic overdrive pedal circuit - Wampler Pedals
Very Simple and Cheap Guitar/Bass Distortion Pedal : 4 Steps - Instructables
Circuit diagram of the home-made overdrive effect pedal. | Download Scientific Diagram
Simple distortion effect circuit. A few parts such as chip TL072 and a few others, and you're done with a simp… | Diy guitar amp, Diy guitar pedal, Distortion pedal
Design Your Own Distortion | General Guitar Gadgets
Pedal effect circuit design: getting started - EDN
Designing the Hard Bargain distortion pedal – Electric Druid