I just set up my system in a new room and I cannot for the life of me figure out why the hell there is no bass at all in the listening position. I had a friend come over who knows way more about audio than I and he was pretty baffled as well.

Maybe someone could shed some light as to what the problem is.

see pic of room

http://i66.tinypic.com/2yyy1qc.png

The yellow lines are where the bass is nice and full, but in the center it is COMPLETELY FLAT. No bass.

Thanks.