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question about port area
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<blockquote data-quote="tehbeermang" data-source="post: 2805492" data-attributes="member: 575319"><p>caraudio.com sends more traffic to my site than any other site, except Google. Thanks!</p><p></p><p>This thread in particular caught my eye.</p><p></p><p>I'll give two reasons for the difference in tuning between my calc and RE's calc.</p><p></p><p>1. RE's calc doesn't have a provision for removing volume due to driver displacement. Given the sample earlier, a 0.17cf larger volume (driver displacement) will make a lower tuning frequency when given the same port.</p><p></p><p>2. My calc rounds everything off to the nearest quarter inch, producing a bit of variance from the "intended" design. The "actual" tuning is a bit lower than "intended" in most cases due to rounding.</p></blockquote><p></p>
[QUOTE="tehbeermang, post: 2805492, member: 575319"] caraudio.com sends more traffic to my site than any other site, except Google. Thanks! This thread in particular caught my eye. I'll give two reasons for the difference in tuning between my calc and RE's calc. 1. RE's calc doesn't have a provision for removing volume due to driver displacement. Given the sample earlier, a 0.17cf larger volume (driver displacement) will make a lower tuning frequency when given the same port. 2. My calc rounds everything off to the nearest quarter inch, producing a bit of variance from the "intended" design. The "actual" tuning is a bit lower than "intended" in most cases due to rounding. [/QUOTE]
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