Sub placement - set up high above listening position - AVS Forum
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post #1 of 3 Old 01-11-2013, 11:05 AM - Thread Starter
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I have the classic case of a small footprint for a home theatre subwoofer with a large room to fill. 25' square and 11' ceilings. I'm looking at the PC12-NSD from SVS which has a small enough footprint, but is too tall for my bookcase at the bottom. The bookcases are built in and more than capable of supporting the weight.

My question is, could I put it on top, which would leave the bottom of the sub 6' above the listeners. What would the impact on the sound be and would it fill the room the same way?

Has anyone done this?

Thanks in advance.
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post #2 of 3 Old 01-11-2013, 11:42 AM
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Quote:
Originally Posted by caiiidus View Post

could I put it on top, which would leave the bottom of the sub 6' above the listeners. What would the impact on the sound be
Little to none. People don't do it this way because it's not an easy spot to place a sub.
However, whether the sub will work well in that room position, be it on the bottom or the top of the bookcase, is a different story entirely. Subs need to go where they need to go, and that tends not to be where it's most convenient.

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post #3 of 3 Old 01-11-2013, 03:43 PM - Thread Starter
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Thanks for the quick response. Let me clarify.

I can put it anywhere along the front wall, giving me plenty of options for placement. From what I understand this is where most would place their subs and where I've always gotten the best results in the past.

What I don't have a clue on is whether the height of the placement is going to have a similar impact to the lateral movement along the wall. Typically, the logical placement is on the floor, although I've heard of installs where they have added downfiring subs in the ceiling (different from this again).

With the PC12-NSD having ports on top, this puts the sub about a foot away from the ceiling. I suspect most of the sound is going to be reflected because of this. Is this placement a bad idea for this particular product.

My next option is to buy the PB-1000 ported 10' sub and move the wall back 2 inches in that part of the bookcase so that it has the clearance. Again, I can place it anywhere along the wall (minus the exact center), I just don't have the depth to fit it on the bottom shelf. This wouldn't be the funnest of the projects, although possible if necessary.
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