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<blockquote data-quote="Trixter" data-source="post: 1585567" data-attributes="member: 542668">oh yaeh, also remember that you need to add 4&quot; to the total port length. so if you did go with the 28hz and the port was to be 24.6, then your box would need to be at least 28.6&quot; tall. but if you did them on the outside of the box, this would not matter.also, these ports only come so long. 12&quot; inner piece and with the flares come to 17&quot; total. in that case these numbers i posted before would not work. the lowest freq. you could go is about 32hz.is there any reason that you don&#039;t want to go with a slot port?if you did, let&#039;s say at 32hz, you could have 40sq&quot; or port (10&quot; x 4&quot;) ((don&#039;t know if you need quite this much)) and the port would need to be 16.4&quot; long and your box would be trimmed down to 3cu&#039;. doing this you have 40sq&quot; of port rather than 25sq&quot; with the areos. you&#039;d only loose and extra .15cu&#039; of box volume and add a ton of port area.i don&#039;t know the deminsions of your box so the 10&quot; x 4&quot; is a guess...going by your pic i guessed the box at 10&quot; deep.again, knowing the deminsions of your box and your desired tuning freq., would make things a lot easier.</blockquote>

[QUOTE="Trixter, post: 1585567, member: 542668"] oh yaeh, also remember that you need to add 4" to the total port length. so if you did go with the 28hz and the port was to be 24.6, then your box would need to be at least 28.6" tall. but if you did them on the outside of the box, this would not matter. also, these ports only come so long. 12" inner piece and with the flares come to 17" total. in that case these numbers i posted before would not work. the lowest freq. you could go is about 32hz. is there any reason that you don't want to go with a slot port? if you did, let's say at 32hz, you could have 40sq" or port (10" x 4") ((don't know if you need quite this much)) and the port would need to be 16.4" long and your box would be trimmed down to 3cu'. doing this you have 40sq" of port rather than 25sq" with the areos. you'd only loose and extra .15cu' of box volume and add a ton of port area. i don't know the deminsions of your box so the 10" x 4" is a guess...going by your pic i guessed the box at 10" deep. again, knowing the deminsions of your box and your desired tuning freq., would make things a lot easier. [/QUOTE]

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