First off all sorry about my English. I'have just purchased a SWR SM-900 with 2 possiblities of amplfication: stero (400w + 400w ) or bridged-mono (800W) all of them over 4Ohms. I'm trying to select the best cabinets, for rock playing with a P-BASS. I've prove AMPEG but I am not very sure about the definition of this cabinets in mid-high and also low frequencies. Bassed on your experience with this head wich cabinets recomend me? ... another sorry about my english. Raul.