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how close can vented subwoofers be placed behind a screen?

202 Views 1 Reply 1 Participant Last post by  David600, 
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I did not find the distance in the main JBL cinema sound installation. The woofers are 4645c (2) and often the amount of air coming out of the ports (17cm diamater) is huuuuge.

I am concerned about eventual turbulence caused by the screen , currently at about 20cm from the subs.


thanks
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anyone ? oops.... there must be some guys here with vented, front radiating subs behind their screens, no ?
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