VMPS RM/X's. They are 7 ft tall 350 lb ribbon-based speakers with 2-12" and 1 15" (passive rad) each, and rated to 20hz. I have them pulled out inot the room some (for imagiong and soundstage) and not surprised by their lack of great low end, but to have them roll off after 160hz instead of running full out to 200hz is surprising.

I can send you screen shot....the low end has a bump and I have a trough at 38hz which is not surprising, but after sub placement and EQ it has worked very nicely. Net, net, I've been able to get a decent "flat" curve with the two subs and EQ'ing, with little boost, but it's the 160-200 (non-SMS issue) that's bugging me.