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Message: <blockquote data-quote="Buck" data-source="post: 7378717" data-attributes="member: 591582"><p>Yes.  Tuning a box to a frequency changes the phase of the frequency that it's tuned to the most.  In free air, that frequency would be loudest.  The farther away from the tuning frequency you go, the more the phase changes (farther away from 180 degress different than rear wave), which means basically the less sound is produced.  That's what a ported box does, if I understand and explain everything correctly.  Basically switches the phase of the rear waves of the woofer 180 degrees so that they compliment the front waves of the woofer, thus having more output.</p></blockquote><p></p>

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