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<blockquote data-quote="Doxquzme" data-source="post: 8864147" data-attributes="member: 689267">Assuming the box is made of .75&quot; MDF the 12&quot;x20&quot;x15&quot; box is 1.5 Cu Feet. The 33&quot;x19&quot;x15&quot; is 4.3 cubic feet, something is not right here. JL has the following recommendations for that sub (per soofer so double for two)<table style='width: 100%'><tr><td><a href="https://www.caraudio.com/javascript%3A;" target="_blank">Ideal Sealed Box Volume (cubic feet)</a></td><td>1.152</td></tr><tr><td><a href="https://www.caraudio.com/javascript%3A;" target="_blank">Minimum Sealed Box Volume (cubic feet)</a></td><td>N/A</td></tr><tr><td><a href="https://www.caraudio.com/javascript%3A;" target="_blank">Maximum Sealed Box Volume (cubic feet)</a></td><td>N/A</td></tr><tr><td><a href="https://www.caraudio.com/javascript%3A;" target="_blank">Ideal Ported Box Volume (cubic feet)</a></td><td>1.652</td></tr></table>From those specifications, I would use 2 of these in a stuffed, 2.3 cubic foot box. Neither of the box/drivers combos looks correct as I see it. If your measurements and sub model are correct, the 4.3 cubic foot box could have all 4 in them (not ideal but better) which given what you have to work with, would be the best option.</blockquote>

[QUOTE="Doxquzme, post: 8864147, member: 689267"] Assuming the box is made of .75" MDF the 12"x20"x15" box is 1.5 Cu Feet. The 33"x19"x15" is 4.3 cubic feet, something is not right here. JL has the following recommendations for that sub (per soofer so double for two) [TABLE] [TR] [TD][URL='https://www.caraudio.com/javascript%3A;']Ideal Sealed Box Volume (cubic feet)[/URL][/TD] [TD]1.152[/TD] [/TR] [TR] [TD][URL='https://www.caraudio.com/javascript%3A;']Minimum Sealed Box Volume (cubic feet)[/URL][/TD] [TD]N/A[/TD] [/TR] [TR] [TD][URL='https://www.caraudio.com/javascript%3A;']Maximum Sealed Box Volume (cubic feet)[/URL][/TD] [TD]N/A[/TD] [/TR] [TR] [TD][URL='https://www.caraudio.com/javascript%3A;']Ideal Ported Box Volume (cubic feet)[/URL][/TD] [TD]1.652[/TD] [/TR] [/TABLE] From those specifications, I would use 2 of these in a stuffed, 2.3 cubic foot box. Neither of the box/drivers combos looks correct as I see it. If your measurements and sub model are correct, the 4.3 cubic foot box could have all 4 in them (not ideal but better) which given what you have to work with, would be the best option. [/QUOTE]

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