Amp: Mark IIb
Year: 1982
Style: Blonde
EQ: None
Reverb: Not Working
Schematic: http://issuu.com/mtjames2010/docs/mkiib_schemo
Under Chassis Layout: http://issuu.com/mtjames2010/docs/mark_iib_tube_chart
Problem 1: Under Chassis Footswitch Jack seems to control a slight gain boost on both...
