So the concensus is that the head would work, but we'd have to find a different cab.
Side bar - what would 2 4x10" columns be super useful for? Could they be side fill monitors? Maybe monitors behind the drums? Are they 8 ohm, 4 ohm, or 2 ohm? I blew up a channel of my PA power amp because I didn't know that my old Peavey 4x12 column speakers were 4 ohm, and my old amp couldn't take 2 ohms for several hours.