I've hit a point where I could use some help.
Here's the equipment I'm using:
Dayton Audio EMM-6 microphone with calibration file from Cross Spectrum
Windows 8 laptop interfacing to a Creative X-FI external sound card.
VTF3 - Mark 4 Sub
First picture is subwoofer only, EQ applied to follow house curve
2nd picture is when mains turn on, receiver cross over at 80hz.
3rd picture is longer sweep for main's volume. As you can see mains are already few Db below target on average. However activity is heavy in bass region and...