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Enclosure Design & Construction
Ported Box, Alpine Type R
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<blockquote data-quote="Qexler" data-source="post: 7069723" data-attributes="member: 627294"><p>I thought 1.5 might be ok with the larger port because I believe Alpine reccomended 1.7 for there ported enclosures on a 12"?</p><p></p><p>Or actually it says...</p><p></p><p>0.8-1.5 ft3</p><p></p><p>External Box Dimensions 12.5" x 12.5" x 20.5"</p><p></p><p>Gross Internal Volume 1.4 ft3</p><p></p><p>Vent Area (dimensions) 11 in2 (11" x 1")</p><p></p><p>Vent Length 18.5"</p><p></p><p>Vent Displacement 0.24 ft3</p><p></p><p>Net Internal Volume (Vb)*** 1.1 ft3</p><p></p><p>F3, ripple, Fb 26Hz, 4.2dB, 35Hz</p></blockquote><p></p>
[QUOTE="Qexler, post: 7069723, member: 627294"] I thought 1.5 might be ok with the larger port because I believe Alpine reccomended 1.7 for there ported enclosures on a 12"? Or actually it says... 0.8-1.5 ft3 External Box Dimensions 12.5" x 12.5" x 20.5" Gross Internal Volume 1.4 ft3 Vent Area (dimensions) 11 in2 (11" x 1") Vent Length 18.5" Vent Displacement 0.24 ft3 Net Internal Volume (Vb)*** 1.1 ft3 F3, ripple, Fb 26Hz, 4.2dB, 35Hz [/QUOTE]
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