Amp Problem, Help!

[Astyl]

ive got a little bit of a problem

I own a PA A3000DB, which was mounted onto the sub box with screws, its played fine until recently, everytime i hit a bump, or tap the amp, or something of that nature, the amp will output random tones, when im playing music it also does this.. it plays the song but at the same time its like its trying to play something else at the same time and it just distorts and sounds like ***. I fear that having the amp mounted on the sub box might of messed with the amp and vibrated something loose etc, i opened up the case and absolutely nothing is fried or burnt and it plays music fine half the time, i couldent tell of anything that was loose from my untrained eyes, it just sounds like its shorting out everytime i hit a bump or play at high volumes and it outputs random tones when this occurs, any help is appreciated, thank you

also any idea how much it would cost to have the amp sent into PA and repaired if thats whats needed? nothing burnt or fried, it plays fine, its just like ****ed up from the vibrations and plays random **** whenever its tapped / going over a bump / high volume / randomely

[Astyl]

bump

[jeepintn]

i am beginning to have that same problem with my goliath

[Astyl]

how do i go about fixing it / finding out whats wrong when you cant really tell because its not like anythings visually loose or burnt to really point itself out

[luvinthebass]

Make sure the amp is mounted securely and doesn't move around maybe causing a short with the signal, maybe put it on the trunk floor and see if it does the same thing