hey, I agree that the SVS are a great sub, however, since you can get the Klipsh RSW-15 from a unautherized dealer for about 1200 dollars, pairing 2 of them I believe would outperform a pair of SVS. As we all know, the larger the driver, the more air the subwoofer will be able to displace, and more displacement, more spl! The total surface area for the 2 12 inch SVS subs would be 226.08 inches, while the klipsch would be 382.5. Plus, the klipsch would also be 650 watts RMS per channle rather than 500. I own an RSW-15 and I'm very happy with it, so I will naturaly be defensive, however I think it's a very good sub.
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-Trevor