The Valve Caster 2.0: Tube Boost and Overdrive : 7 Steps (with Pictures) - Instructables
While I know we've posted this previously, I found this layout to be one of the more useful ones. Look into our archiv… | Guitar pedals, Boost pedal, Diy guitar amp
Tube Driver kit, 43,50 €
OD-S - NUTUBE OVERDRIVE KIT | KORG (USA)
My first pedal build: Matsumin Valvecaster 12AU7 tube overdrive (video in comments) : r/diypedals