Does port positioning affect sound? - AVS Forum
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post #1 of 5 Old 07-28-2012, 06:03 PM - Thread Starter
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I am putting a 3" x 12" slotted port on my subwoofer. I was originally planning on front firing port, but I then I realized I could just do a down firing and it would be completely hidden. Note the subwoofer will be front firing.

So my question is, is it ok to have a front firing subwoofer with a down firing 3"x12" slotted port? Thanks.
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post #2 of 5 Old 07-28-2012, 06:23 PM
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that's fine. the wavelength of the sound from the port dictates where it will be ok. in your case, up down left right front back (sounds like a cheat code :-) doesn't matter. just make sure that you give your ports enough room to function--at least one port diameter to a boundary.

Listen. It's All Good.
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post #3 of 5 Old 07-28-2012, 06:31 PM - Thread Starter
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Quote:
Originally Posted by LTD02 View Post

that's fine. the wavelength of the sound from the port dictates where it will be ok. in your case, up down left right front back (sounds like a cheat code :-) doesn't matter. just make sure that you give your ports enough room to function--at least one port diameter to a boundary.

one port diamater to a boundary? What do you mean? Like I can't use the walls as part of the port? Or do you mean when the port ends, there needs to be at least one port diameter for the "air intake" ?
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post #4 of 5 Old 07-28-2012, 07:09 PM
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Decent article on ports/placement:

http://www.trueaudio.com/st_ventq.htm
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post #5 of 5 Old 07-29-2012, 06:21 AM - Thread Starter
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Quote:
Originally Posted by Prmntgen View Post

Decent article on ports/placement:
http://www.trueaudio.com/st_ventq.htm

Thank you that answered my question.
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