I am sure it has been asked a million times before, but I can't find good info on how HIGH on the rear wall to mount my ancient Polk M3's. I have 8 ft. ceiling and would prefer to mount as HIGH as possible. Also, I am open to how far apart they should be separated. Room is 20 ft X 12 ft. One of the rear speakers will have to be mounted at least 4 feet from one side wall due to door opening. That leaves 8 ft. to other side wall. Perfect symmetry would be 4 ft. apart. It would look great and be perfectly centered, but is that too close to each other?
My surrounds (also M3's) are 4-5 ft. from back wall with seating just in front of them. My front speakers are centered on front wall 5-6 ft. apart. I am blown away by how good this 20 year old Polk RM7000 satellite system sounds in 5.1 and i just want to make sure I nail the rear wall sound in 7.1 also.
Receiver = Yamaha RX-V777BT.
Mostly movies.
I really do appreciate all the folks that have helped me on this site the last few weeks. Thanks again!