I have the OBX-R2's. They are fantastic. I used them to replace a much loved pair of Reynaud Offrandes, which, at 89 db sensitivity, were not quite an optimal match for my 25 wpc SET integrated.
I would strongly echo Lokie's comments. I listen mostly to acoustic jazz and vocals. The jump factor is indeed mesmerizing, but not at the expense of musicality. None of the many speakers I've owned over the past 30 years or so can match the OBX-R2's reproduction of drum skins or shimmering cymbals. Cello and strings are stunning. These speakers don't have quite the heft of some others, but are capable of combining delicacy and sheer transparency in a way that portrays an enthralling sense of intimacy. They also do the disappearing act as well as well as any mini-monitors I've owned, including Spica TC-50's and Totem Model 1 Sigs. Solo vocals are incredible. Chet Baker, Norah Jones, Linda Williams, and Damien Rice have all been keeping me up late recently.
One thing I have read is that these speakers love being placed on the long wall. My room is similar to yours in size, but I don't have that flexibility. I sometimes wonder what else I may be missing.
I have found them to be cable sensitive. The Audience AU24's that I had used initially were not an ideal match with my system. I was surprised to find out how much I liked Radio Shack magnet wire, and now, Speltz Anti-cables. I'm thinking of trying the Auditorium 23's also.
Good luck with your decision.
Gary
