i wish i had an SPL meter just to see, i think it would be really fun to get a really powerfull amp. i mean a monster. and just turn the volume up until the speakers die. just to see how loud it gets... via remote control of course! when i read about how axiom stress tested the M80 with a Bryston amp at near clipping levels for 100? hours. or was it 10 i forget. playing rock. Man, i would have loved to be there for that.