Originally Posted by Randall.White
Thanks for the help. I do enjoy listening to these speakers. Maybe I'll look into upgrading my subs instead?
Actually a sub upgrade can make a huge difference. Again, preference will come into play. I very much prefer the sound of sealed subs - much tighter and more defined IMO. Again my preference. Greater output and usually lower extension goes to ported subs, but for me a sealed sub just sounds much better (and yes, I have heard many and have both types in my home - but only sealed for the media room and editing room).
Check out the ones from SVS sound and PSA (there are more out there of course).
The SB13-Ultra is awesome, but pretty expensive.
(awesome, but pretty expensive!)
Of course NHT's subs are also sealed, but I think you'll get more bang for the buck with SVS or PSA
There are others:
Monitor Audio W12
JL Audio E-Sub e112 ($2000 from Crutchfield or AudioAdvisor)
If you prefer ported, there are LOTs of them, including those from SVS and PSA
If one of your friends has a decent sealed sub, you should borrow it and try it (you'll have to re-run your room correction of course). Also, I find after calibration, I run my sealed subs 3db hot (not that much, you can add more if you're a bass head).