port holes? - Chevy Impala SS Forum
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post #1 of 3 (permalink) Old 03-10-2002, 06:26 AM
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took some friends out in da SS tonight... they suggested that i port my rear deck so the bass can come into the cabin~???? is this a good suggestion or are they talking outta their ass?? i currently have two freeair 10's in the back... its sounds as it should, loose... my friends claim that it'll be tighter if i put some port holes....

can anyone advise on this?
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post #2 of 3 (permalink) Old 03-10-2002, 10:10 AM
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Where are the free air subs at? On a baffle right behind the seat? If so porting the rear deck will hurt your bass.

When a speaker moves it creates a front wave and a rear wave. If the front wave and the rear wave interact, they will cancel each other out.. Normally a box contains the rear wave or in a ported box it tunes the rear wave to double, not cancel the front wave.
post #3 of 3 (permalink) Old 03-10-2002, 03:14 PM
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thanks for the reply zoso~ my subs are on the baffle board behind the back seats... thats what i told them and thought would happen, yet they insisted that i needed the port holes... buncha dummies... [img].gif[/img]
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