Search for: Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Topic Tag: Supply Voltage Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Supply Voltage for Tube Screaming Preamp V2 – Pedal Parts and Kits Started by: Anonymous in: GuitarPCB Build Support 1 1 4 years, 3 months ago Anonymous Viewing topic 1 (of 1 total)