Ok I finally took some time to play with REW and this was the results of my current positioning.

A full spectrum reading


I jacked up the XO to 250 to eliminate the mains as best as possible.

sub in 20hz tune


15hz tune


10hz tune


sub ports sealed


and finally all the sub readings super imposed


Last edited by jakewash; 12/08/08 06:50 AM. Reason: added XO info.
Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70