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Message: <blockquote data-quote="OhioRed" data-source="post: 1414665" data-attributes="member: 563966"><p>I have my 2 Type R 12"s in a 3 ft^3 ported box and they thump pretty **** hard, if that helps anybody. I went to the best sound guys in the city and had it custom built, so i assume its the ideal size, at least for a civic coupe. Dont forget when you build your box that your losing 0.128 ft^3 of volume for each 12" type R, so if you add up your total inner displacement of the box, you need to add another 0.128 ft^3 to get the desired displacement. For example, if you want a 2.0 ft^3 box with 1 type r 12, the inner demensions should add up to 2.128 ft^3 of displacement. Not saying anyone didnt know that already, but just in case you didnt.</p></blockquote><p></p>

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