Subwoofer 2.5 feet from floor? - AVS Forum
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post #1 of 9 Old 04-13-2012, 09:13 PM - Thread Starter
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Due to space constraints, could a subwoofer be placed on a 2.5 foot high end table (not a shelf) without negative consequences, or do they need to be on the floor for best effects?
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post #2 of 9 Old 04-13-2012, 09:25 PM
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Might end up better on table. Depends completely how it interacts with your room.

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post #3 of 9 Old 04-14-2012, 06:44 AM - Thread Starter
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I should also add that this is a downward firing sub and there is carpeting on the floor.
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post #4 of 9 Old 04-14-2012, 08:11 AM
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Hi Punman,
I have one of my subs elevated to 4 feet to effectively reduce a height induced bass null and it's works very well. Mine is fwd firing however.

How many subs do you have? Do you have an acoustical measurement tool to see what your ears are hearing?

If you have only one sub then you will get more room gain by placing it on the floor next to a wall or corner. If room gain isn't an issue then I suspect the table location will work but tools to measure it are kinda important.
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post #5 of 9 Old 04-14-2012, 10:37 AM - Thread Starter
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Just the one sub. I use Audyssey for set-up.
I have room in corner near the Receiver but I thought corner placement for subs somehow was not ideal. I could do floor in the corner.
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post #6 of 9 Old 04-14-2012, 10:46 AM
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Quote:
Originally Posted by punman View Post

.........could a subwoofer be placed on a 2.5 foot high end table (not a shelf) without negative consequences...............

As long as it is stable and doesn't move itself around when in use, it should be fine.

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Originally Posted by punman View Post

I should also add that this is a downward firing sub..........

Should still be fine.

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Originally Posted by punman View Post

..........and there is carpeting on the floor.

No problem. Although carpeting might have some affect on the upper range of frequencies that a sub produces, it's going to be there no matter where you place the sub or how its driver is oriented. Essentially, irrelevant.

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...........but I thought corner placement for subs somehow was not ideal.

It depends. It can be a good thing, or it can be a bad thing. Depends upon how the sub interacts with the room when placed there. What version of Audyssey does your AVR have?

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post #7 of 9 Old 04-14-2012, 10:47 AM
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Quote:
Originally Posted by punman View Post

Just the one sub. I use Audyssey for set-up.
I have room in corner near the Receiver but I thought corner placement for subs somehow was not ideal. I could do floor in the corner.

Nothing wrong with corner placement in my opinion but nothing beats testing/measuring and like someone said, moving it from the floor can actually be better depending on your room. Like on mine , the 40hz gets improved when I moved from my listening position to a bit higher one..at least my ears

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post #8 of 9 Old 04-16-2012, 03:14 PM - Thread Starter
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I am trying it on the elevated stand. For the few minutes I have listened, I think it may be as good as on the floor.
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post #9 of 9 Old 04-17-2012, 04:52 PM
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Theoretical Foundation Behind Risers

http://forum.blu-ray.com/showpost.ph...75&postcount=2

I prefer mine to be risen for aesthetics as well as changing the room boundaries:





I have OC 703 under the tables as well.

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