I have a pair of refreshed Quartets in an open floorplan space about 25x35 and more open space off to one side. The listening position is only about 10 ft. away. The speakers are about 7 ft. apart about 18" from the wall, slightly angled in towards the main listening position. They sound pretty good all over the main area, and great in the main listening position. I also have a subwoofer, but you don't really need it.