Axiom Home Page Forums General Discussion Home Theater Thoughts on M3 in-ceiling transparency

On-walls, I assume use the wall to reinforce the base frequencies. So, The FMB mounting of on-walls leads to some questions ...

1) is that assumption correct
2) how far from the wall can one get before you hear a difference
3) Is the distance of an FMB ok?
4) Does tilting it in various directions change the sound ...