The area below 20 Hz was a surprise to me. I haven't plugged any ports, so I expected a drop off at 20 Hz or so. The sub is sitting in the corner of a small room...perhaps that makes a difference. Anyway, I feel I used too many filters...but I am not sure it matters.

--------- NEC 42" Plasma Axiom M60s(x3)/QS4s/M22s Denon 3805/3910 Outlaw 7700 SVS PC-Ultra