Ampaddict Well-known member Mar 27, 2013 #1 Anyone know what the back knobs do? 1973 MARSHALL SUPER BASS 100W HEAD - MODIFIED BY MARK CAMERON http://bit.ly/ZqhT71
Anyone know what the back knobs do? 1973 MARSHALL SUPER BASS 100W HEAD - MODIFIED BY MARK CAMERON http://bit.ly/ZqhT71
LP Freak Well-known member Mar 27, 2013 #2 He says the one is the gain and the other doesn't work. I'd guess it's a resonance.
