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Are big subwoofers viable for 2 channel music?

In thinking about subwoofers to get for a large future listening space (30' x 30'). So far there seems to be a lot of great options for smaller subs for music.. such as the rel s812. Now my main focus will be music but I do plan to do some home theater on the system and I do enjoy subs that reach low and have strong but clear sub-bass. Would a large sealed sub still be able to provide clean tight bass that digs low and thus satisfy both duties. Can it ever match the speed and precision of a pair or more of rel 812s? Something like PSA S7201 or Captivator RS2?

A realize a smaller sub has a smaller moving mass and thus for a given level of power would be faster than a bigger sub with a bigger moving mass (driver mass). But a large sub would have to move less to achieve the same SPL and would reach lower.

Anyhow what do you guys think? Thanks.
smodtactical

Showing 1 response by dentdog

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dentdog
469 posts
 
I have a pair of REL 212s, main speakers with their own powered subwoofers. So far the best sub position has been to place them just a bit beside the listening position, slightly to the rear. Without one of the various room measurement programs everything seem like a crapshoot. 
Not to say they haven't improved the bass and overall presentation, but there remains questions as to whether they are optimized. 
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