HELP PLEASE!!!!

[line6guy]

my line 6 amp seems to have a problem. i have a spider 3 75 it vibrates really bad when you turn it up loud with distortion on. any suggestions??

[Jack1962]

sounds like a mechanical problem, try tightning everything up( tightning all the screws , nuts and bolts) if that doesn't would try installing some renforcment(pieces of wood at the joints and such)

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