The bugger is that it is rated for something like 320-watts at 2-ohms. I don't remember exactly, but I seem to recall those numbers. That means maybe 220-watts into 4-ohms and a piddly 150-watts into 8-ohms. And that's full volume! It'll likely distort then, so you turn it down to get a clean sound and get even less output. My math ain't what it used to be, but it's something like that. The point is that with an 8-ohm cabinet you'll fart louder, and most drummers will drown you out. Recording it, well it should sound fine. But live? With a loud band? Not these days.