Search for: Your Source for DIY Pedal PCBs and NostalgiTone! › GuitarPCB Forum › Topic Tag: Apollo tremolo LED wiring Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Apollo Tremolo sw1 speed switch LED question Started by: Anonymous in: GuitarPCB Build Support 2 6 4 years, 6 months ago Anonymous Viewing topic 1 (of 1 total)