Originally Posted by beastaudio
And yep. I am still at a loss here, but only other things to rule out is laptop incapability, or the 3.5mm to RCA cable I am using, sound card, or my system just can't get below 10hz. With 8 subs, that still should not be the problem though...Just saying. I will have the calibrated OM mic back sometime this week I think, so I will measure that too. If three mics, two different systems, amongst other things all show the exact same stuff, then I guess I am missing something pretty serious somewhere.
Funny (interesting more like it) to read about your measurements with different systems, mics, etc because it took me about six months of EQ'ing using the XTZ analyzer to notice a pattern. Every single system regardless of whether it was in a home, car, or outside, had the same tiny rise at a certain frequency. It's been too long now so I don't remember what frequency it was. At the time I tried EQ'ing out that tiny bump but it left everything sounding a little dull. Come to find out it's apparently a sensitive spot in the mic because I used a different setup and the tiny hump wasn't there at all.
Back OT, that's a very good response curve. Solid output down to 10 Hz is impressive!
And yes, the size of the woofer does impact your perception of weight. I have two prototype 12's for Obsidian Audio in my office that weigh about 60lbs each and they feel a lot heavier than an 18" Nightshade v3 that weighs 70+lbs. Everyone that tires to pick up the 12" usually has to try twice because it's heavier than it looks.
Maybe we all just expect big woofers to weigh a lot so we're ready for it when we pick them up. IIRC there is less than a 5 lb difference between the 15" and 18" but it doesn't feel like it when you pick them up.