Home Forums GuitarPCB Build Support Tube Screaming Ultra (answered) Reply To: Tube Screaming Ultra (answered)


In the basic RT circuit, the switch selects 2 different diode combinations to provide 2 different tones.  If you elminate the switch, you will need to choose which set of diodes you wish to use and then jumper the switch pads between 1 and 2 or 3 and 2.