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Room extension subwoofer enclosure?

3047 Views 9 Replies 4 Participants Last post by  bpape
Hey guys,

I do a lot of lurking, but this is my first question. Should be an easy one for you guys. Hope this hasn't been covered before.

I've included a diagram, hopefully, to make this easier to understand.

I want to get my subwoofer out of my main home theater area. I want to build a small (3x3x3) insulated box behind the screen wall, in an attic area, big enough to hold a subwoofer enclosure. NOTE: this box will NOT be the subwoofer enclosure, just a box to protect the actual subwoofer from attic temps. It's, basically, just a small addition to the main room space with the sheet rock removed and a speaker grill covering the removed sheet rock.

My question is how do I calculate the size the sheetrock cutout needs to be? I don't want to restrict airflow, but I only have ~16" between the bottom of the screen and floor.

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Sorry, I currently have an Audiosource SW Fifteen, but will probably build something else one day.

I believe I can get about 12" vertically and 24"-30" horizontally. Would that be enough to accomodate my current sub and future upgrades?
Ideally, you really don't want to do what you're suggesting. Any time you put a sub or any other speaker back in a recessed 'tunnel' like that, you're going to completely change the frequecy response and cause all kinds of resonances that you really don't want.

hadn't thought of it that way. this might not be a good idea after all.
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