Search for: Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Topic Tag: PURP P.U.R.P. hiss Rangemaster Viewing topic 1 (of 1 total) Topic Voices Posts Last Post P.U.R.P. Rangemaster, why many builds without C4 Hiss Filter? Started by: Anonymous in: General DIY Pedal Discussion 3 5 3 years, 5 months ago Anonymous Viewing topic 1 (of 1 total)