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Message: <blockquote data-quote="Deathstalker" data-source="post: 5594636" data-attributes="member: 607238"><p>Basicly It has to do with the resistance of the air flow going through the port(s). When your port is too small the Vent Mach goes up causing you to hear the noise of the air going in and out of the port. Normally anything under .06 you can't hear because by the time you get the sub pumping hard enough the sound of the music is drowning out the port noise unless you got your ear right up to it. Anything over .10 your just asking for trouble, although some people say .15 and lower is fine. I beg to differ, if your vent mach is at .15 your just going to kill yourself cause you can't stand the noise. I try to keep my boxes at .05 and lower</p></blockquote><p></p>

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