I think this cabinet is blown...It sounds awful on the low notes(E or lower...5 string). It's distorting and crappin' out every low note. Anyone have a problem like this? I don't know how I could have damaged the speakers though. I never pushed it to hard. Yes, I checked the obvious things, bass, amp, cables, and the complete rig sounds great until you plug that cab in. All other cabs sound good.