James, if you'll have room for an M22 in the center there's no good reason not to use it and have identical speakers across the front. As long as the rear port has at least 3-4" of "breathing room" there's no problem. I don't see any reason for adding the complication of a wall bracket instead of simply putting the M22s there and using something as a wedge under the front to tilt them back slightly.


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Enjoy the music, not the equipment.