The K612 is no slouch in regard to soundstage and imaging. Its not as wide as the K702/Q701and K712/Annie, but its still pretty wide. I'd imagine it would score a 9/9.25 in that regard compared to the 9.5/10 of those others.
Put some K702 pads on the K612, however, and the soundstage opens up a little more.
Edited by Change is Good - 3/14/14 at 3:11pm