Which way should my rear subwoofer port face? To wall or sliding glass door? - AVS | Home Theater Discussions And Reviews
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post #1 of 4 Old 02-25-2004, 06:56 PM - Thread Starter
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I have my Klipsch KSW-15 behind the couch in my theater in the back right corner of the room. The couch is almost centered in the 16' deep room, so there is room to move the sub some.

Anyway, along right side of the back wall behind the couch, I have sliding glass doors. The sub has a port in the back, and right now its facing back toward the glass door... In theory is it better to have it facing back to the glass or sideways toward the right side wall?
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post #2 of 4 Old 02-25-2004, 07:55 PM
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I have mine facing the slider, have nowhere else to point them. It's fine
most the time, but when the sub start pushing some air the screen rattles
loudly...not for long thought, having french doors in. Hope those don't
rattle as much as the screen.

I would try both positions and hear/feel what sounds best.
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post #3 of 4 Old 02-25-2004, 08:39 PM
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It should make little to no difference for the frequencies being produced by the port. Just be sure to try to allow for 3 times the port diameter distance to the boundary, so as not to interfere with the port tuning.
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post #4 of 4 Old 02-25-2004, 11:49 PM
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Since 200Hz and lower is omni-directional port direction is the minority. What matters most is the placement of the sub and the room acoustics it is in.

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