SVS Subs
Wess,
I went with the SVS SB12-Plus to meet the size and WAF requirments of my family room HT. The rosenut wood veneer looks great and complments the rosewood veneer on my Onix Ref 1's. You also get lots of features on the amp like balanced inputs, single PEQ, room comp switch, etc. This sealed sub needs more power to produce the same output as a larger ported design. Email SVS for more specific advice based on your room dimensions and listening preference. I suspect that both subs would be great down to 20 Hz and the big ported box will give you more output <20 Hz.