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<blockquote data-quote="91d1" data-source="post: 497088" data-attributes="member: 555193">Hi, I&#039;ve got some questions on which size and type of box I should build. Since this would be my first box (newbie) I would like to build a sealed box.&nbsp; The Ti 10d&#039;s have an Fs of 27.9 hertz and a Qes of .457, with that information would these subs perform well in a sealed box? According to the manual for the subs it says .55 for musical and .3 for spl, I am assuming this refers to cubic feet, right? Also do these numbers account for the subwoofers displacement? are these numbers for internal displacement? Also if I use polyfill should I make the dimensions slightly smaller? with two of these driver should I use 1&quot; mdf?The manual says these subs can handle 450 watts rms, but with a bigger enclosure should I give them less. I am looking for an sq setup and Iâ€™m wondering if the .55 musical volume from the manual would be good?Thanks in advance,Neal</blockquote>

[QUOTE="91d1, post: 497088, member: 555193"] Hi, I've got some questions on which size and type of box I should build. Since this would be my first box (newbie) I would like to build a sealed box. The Ti 10d's have an Fs of 27.9 hertz and a Qes of .457, with that information would these subs perform well in a sealed box? According to the manual for the subs it says .55 for musical and .3 for spl, I am assuming this refers to cubic feet, right? Also do these numbers account for the subwoofers displacement? are these numbers for internal displacement? Also if I use polyfill should I make the dimensions slightly smaller? with two of these driver should I use 1" mdf? The manual says these subs can handle 450 watts rms, but with a bigger enclosure should I give them less. I am looking for an sq setup and Iâ€™m wondering if the .55 musical volume from the manual would be good? Thanks in advance, Neal [/QUOTE]

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