I BOUGHT AN AMPEG BA115T USED RECENTLY, THERE WAS A MEDIUM PITCH CRACKLING ELECTRIC FUZZ SOUND COMING OUT OF THE TWEETER WHEN I PLAYED, SO I REPLACED THE TWEETER, AND SAME THING THERE, SO IM WONDERING IF ANYONE KNOWS WHAT IT MIGHT BE. IT'S NOT THE COMMON TWEETER HISS, ITS SOMETHING COMPLETELY...