I Moded a laney Cab with a analog poweramp from gallien krueger
http://www.ebay-kleinanzeigen.…cabinet/339442077-74-7447
you can still use it passive or aktive, it sounds best with merged profiles and cab turned off in my opinion, but some profiles are also cool with cab on and some tweaking on the separated eq for the monitor out ...
the cool thing is the highs are never harsh