i have heard wall mounting them is fine. The FMBS which axiom offer put the speaker i think 2 inches away, which alan told me was fine. Just dont put it flush against the wall/cabinet.
its not about reverberations, its about letting the speaker breath. Ideally all you need is to have the speaker 2 inches inches out from the cabinet. This prevents the cabinet interfering with the soundstage/sound quality of the speaker
basically if you have it a little in front of the cabinet, the cabinet will have no effect on the sound.
