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Message: <blockquote data-quote="azimuth" data-source="post: 6153329" data-attributes="member: 566682"><p>i had 2 sealed type R's in 1.9 cubes in my s10, and the sounded pretty good. i later built 4 different boxes ported for a single 12 and found that 2.25 cubes at 35hz worked best for me with that sub. i didn't seem to like lower tuning, as in under 30 (i tried 2 cubes at 28hz). no real gain in anything sq to the ear, but noticeably not as loud to the ear. i found that 2.25 cubes at 35 hz with 600-700 watts rms was the loudest, most efficient way to use the type R. it was nearly as loud as 2 sealed, with under 1/2 the power to run it. even in a large ported box, it was able to handle over the rms. metered pretty well on music too in the ported box.</p></blockquote><p></p>

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