After playing through my amp quite a but lately, I've noticed that my tone is either muddy or clanky. It really depends on how I am playing the notes. Soft=mud Agressive=Clank. I know it's probably not the bass because I have half dead roto's on it, and I have played through other amps, and it sounded more like it should have. My setup includes a QSC RMX850 an Ampeg SVP and an Ampeg BSEhlf 4x10 cab. I have tried messing with the tweeter, fully on=super hiss and clank, I've tried it in the middle(see top) and off=more mud. I am trying to get rid of the cab for two new ones, in the wanted forum. But only because the 4x10 is too heavy, not loud enough, and just too hard to move around. So is my tone problem in my rack, or my cab, or in my hands/bass?