I was wondering if you guys can help me. I am not much of a gear head. I have a fender hot rod deluxe. When I play a C# note, my amp has a loud rattles, it almost sounds like chimes. Pretty high pitch. I have no idea what to do...Also when I play a B note there is a bit of a gurgling? noise. Do you guys have any idea what the problem may be? I dont have much knowledge of tube amps.