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Message: <blockquote data-quote="Jeffdachef" data-source="post: 8672732" data-attributes="member: 650438"><p>i'm guessing the 12s are sealed up firing.... not gonna get much deep bass out of that at all especially when its severely undersized. A proper sealed box is 2 to 2.5 cubic feet after accounting in dispacements AND the space the sub takes up. Shove that box with poly fill and hope for the best. The sensitivity rating does correspond to how low the sub plays. Lower sensitivity will be less efficient upper frequencies 45-60hz but usually can reproduce lower frequencies better due to lower FS and higher MMS in the TS spec values. The enclosure has a much larger impact on efficiency and overall bass output and frequency response but you literally have no control over that going with sealed vs a properly done ported.</p></blockquote><p></p>

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