Originally Posted by American Viking

Of course in doing so you would be better off just A/B/Y'ing two preamps into the same side of the power amp. If you split the power amp you won't be able to use all four speakers within a cabinet at once. You'd have to stereo the cab to make it work. So essentially you're cutting your speaker cab in half if you can run stereo. If you can't run it stereo than you can't do it at all unless you have another cab or a quad stack! That'd be the way to go, get four 4x12's and make the singer carry them to keep his ego in check!