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<blockquote data-quote="Kangaroux" data-source="post: 7287975" data-attributes="member: 628495"><p>Please don't use this one...the RE calculator is terribly inaccurate.</p><p></p><p>Go here: <a href="http://www.carstereo.com/help/Articles.cfm?id=31" target="_blank">Car Audio - PORT Size Calculations and Formulas for WOOFER and Subwoofer BOXES</a></p><p></p><p>Use the calculator at the bottom of the page to calculate port length. The initial port area should be anywheres between: Net Box Size (in cubic ft) * 12 OR Net Box Size (in cubic ft) * 16.</p><p></p><p>If the port is too slim it may affect your tuning but most importantly it will cause port noise (air velocity becomes too high).</p><p></p><p>Port width to port height ratio should be at a minimum of 1:8. I prefer 1:6</p></blockquote><p></p>
[QUOTE="Kangaroux, post: 7287975, member: 628495"] Please don't use this one...the RE calculator is terribly inaccurate. Go here: [URL="http://www.carstereo.com/help/Articles.cfm?id=31"]Car Audio - PORT Size Calculations and Formulas for WOOFER and Subwoofer BOXES[/URL] Use the calculator at the bottom of the page to calculate port length. The initial port area should be anywheres between: Net Box Size (in cubic ft) * 12 OR Net Box Size (in cubic ft) * 16. If the port is too slim it may affect your tuning but most importantly it will cause port noise (air velocity becomes too high). Port width to port height ratio should be at a minimum of 1:8. I prefer 1:6 [/QUOTE]
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