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4th order design 2 alpine type r 15's
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<blockquote data-quote="SounDrive" data-source="post: 8216285" data-attributes="member: 653833"><p>Tune the ported chamber to the sealed resonance.</p><p></p><p>Post the VAS and Fs (and recommended enclosure sizes) and I can give you some numbers to work with, I made a 4th order calculator of sorts for personal use.</p><p></p><p>You usually don't want to make the sealed size bigger than recommended unless the sub has a high Fs, because you'll drop your Fc really low and have a box with poor response on higher frequencies, and you may end up with a muddy response.</p></blockquote><p></p>
[QUOTE="SounDrive, post: 8216285, member: 653833"] Tune the ported chamber to the sealed resonance. Post the VAS and Fs (and recommended enclosure sizes) and I can give you some numbers to work with, I made a 4th order calculator of sorts for personal use. You usually don't want to make the sealed size bigger than recommended unless the sub has a high Fs, because you'll drop your Fc really low and have a box with poor response on higher frequencies, and you may end up with a muddy response. [/QUOTE]
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4th order design 2 alpine type r 15's
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