Using Petrucci settings...

[Hendog]

Maybe there is something wrong with my amp.

Have you tried contacting Mesa at all? I would call them and tell them about the situation. I'm sure there's a way to fix it.

To be honest, I'm sure that mine doesn't have a problem. There a quite a few people on this forum with the same complaint. It's just the amp.

If I used TWEED on CH1 and I used less gain on CH3 and I didn't use EXTREME mode and I...