Search for: Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Topic Tag: rototone. Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Combination pedal signal path Started by: Anonymous in: General DIY Pedal Discussion 3 3 6 years, 3 months ago Anonymous Viewing topic 1 (of 1 total)