jackpiazza
Active member
- Joined
- Aug 10, 2010
- Messages
- 29
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hi there, I've bought 1 month ago a brand new Mark V amp with a 2x12" stiletto's cab
when I set clean channel (gain: h12, Master: h12) and the output knob (with loop fx activated) more than h12 it starts to make noise VERY a loud!! like a thin and crazy whistle, even with my guitar unplugged
when I control volume only by channel (so whit loop fx switch off), no problem, i can crank it all the way up and have MORE volume without any issues.
I'm scared about tubes... what do you think is the problem?
sorry for my english, I hope to have been clear.
Sal
p.s.
when I use the fx loop on, to use the output konb for the overall volume, I tryed also to link send&return with just 1 cable, bypassing all my pedals but the problem still remains
when I set clean channel (gain: h12, Master: h12) and the output knob (with loop fx activated) more than h12 it starts to make noise VERY a loud!! like a thin and crazy whistle, even with my guitar unplugged
when I control volume only by channel (so whit loop fx switch off), no problem, i can crank it all the way up and have MORE volume without any issues.
I'm scared about tubes... what do you think is the problem?
sorry for my english, I hope to have been clear.
Sal
p.s.
when I use the fx loop on, to use the output konb for the overall volume, I tryed also to link send&return with just 1 cable, bypassing all my pedals but the problem still remains