moskaudio
The only real basis I have for comparison are inifity r.s. 2.5 tower speakers with the 10" subs and 4 electrostats per tower. Which needless to say, blow the polks out of the water in the mid range and vocal area.That is one sweet speaker system. Watkins woofer and they sound great biamped. Those are magnetic planar drivers, btw, not electrostats.