The Valve Caster 2.0: Tube Boost and Overdrive : 7 Steps (with Pictures) - Instructables
Switchable vacuum tubes on a guitar pedal... - General Electronics - Arduino Forum
MOD Kits DIY Introduces Persuader Deluxe Pedal Kit — Vacuum Tube Overdrive | Guitar World
A DIY valve overdrive pedal – Goldie – Dave Mac's Window on the World
DIY Tube Overdrive / Valvecaster Demo - YouTube
A DIY valve overdrive pedal – Goldie – Dave Mac's Window on the World
Soldano Preamp | DIY Fever
Mod Kits DIY Persuader Pedal Review - Premier Guitar
DIY "Tube" Distortion - High Voltage Neon Drive Pedal - YouTube
While I know we've posted this previously, I found this layout to be one of the more useful ones. Look into our arch… | Guitar pedals, Boost pedal, Diy guitar pedal