messenger
Well-known member
I modded my Weber 50W Plexi clone and have a couple of issues. I'm getting a hum until I max out the gain knob (preamp volume). Also if I don't have a cord plugged in I get a squeal. I think it has something to do with the "switch" on the jack. Everything worked fine before the mod.
Here's a pic of the diagram
Here's a pic of the diagram
