First off here is my rig: Warwick Corvette Standard Tech 21 Sansamp RBI QSC PLX1602 Tech 21 B410 & B115 cabinets Furman power strip I've never had a problem with this rig before either at home or in the practice room. Tonight was our first show since reforming our band back together. I had everything setup and turned everything on. I turned everything to a low volume just to make sure that I had sound. At the low volume that I had it at my LED light on the poweramp would be real low, and then all of a sudden shoot up to the red clip light. This would make my speakers pop like crazy. I ended up borrowing someone elses amp to finish the show. The amp was a real old Peavey of some sort, which sounded like crap and hardly had any volume to it at all. When I got home to figure out the problem.......there was no more problem. Everything works fine. Any suggestions what the problem was? Could it have been a problem from the outlet that I plugged into? Should I invest in a power conditioner instead of my power strip? Any help from all you experienced TBers would be great. Thanks!!!