Hardwood floors vs carpets


I have a new home that has a large 16 by 13 room but has hardwood floors. I’m wondering if carpeting would be better for sound? I have Wilson Watt 8’s with Wilson center and Wilson rear speakers for when I listen 5.1 sub is REL S5, Macintosh Amp MC-206 and Macintosh MX-120 Oppo 105d and VPI Scout TT. Also with such a large room I wonder if a 2nd Sub would be needed. Thanks for the help!  
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stretch -- one of the magical things about what happens when you fit an LP inside a square cardboard jacket and put a bunch of 'em edgewise into bookcases is that very little of the disk is actually close enough to the out-facing edge to harden those lovely tube-generated sound waves.  But yeah, you're right.  When I finished converting the discs to mp3's, I used the LPs themselves to construct a condo for my pet pooch.
I prefer the combination of both carpet (rug) with hardwoods. You can tailor your needs with larger rug or smaller but get the advantage of the look and some of the sound hardwoods allow in a room.