Dave,
I bought a JCM800 2203 Reissue that you had modded for somebody a while ago. It has BE,HBE,JBE,SAT,C45,MODERN,FULL Clean, dual footswitchable masters/gains and a marsha OT. The HBE mode is on a toggle switch. My problem is if im in HBE mode with the gain at more than say 12:00, i get...