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Enclosure Design & Construction
making a sealed speaker box have ?
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<blockquote data-quote="Gksportster" data-source="post: 8735691" data-attributes="member: 680515"><p>[ATTACH]26917[/ATTACH]</p><p>I finally made the sub box today with different dimensions.</p><p>is my math right ?</p><p>what I did was measure as if it was two boxes then added them together</p><p>The lower box was 9”5/8 and top measurement was 5” so I did 95/8”+5” = 145/8” divided by 2 =7 5/16”</p><p>So it is 7 5/16”x9”x12 1/2” = 822.6563 cubic in for lower box</p><p>Upper box is</p><p>11” lower and 4 3/4” upper</p><p>11”+4 3/4” = 15 3/4” divided by 2 = 7 7/8”</p><p>So lower</p><p>7 7/8”x7 3/8”x12 1/2” = 725.9766</p><p></p><p>725.9766+ 822.6563= 1548.633 cubic inches </p><p></p><p>Right now my box is made at 20 1/2” wide so I’m going to have to cut it down by my calculations to 12 1/2” wide.</p><p>I just want to make sure before I cut it all my dimensions are inside of the box.</p><p>Thank you</p><p>After I get the right width I’m going to use construction adhesive on all seams inside of the box to make sure it’s sealed good I’ve already used wood glue and brad nails.</p></blockquote><p></p>
[QUOTE="Gksportster, post: 8735691, member: 680515"] [ATTACH alt="6805E99F-AFC1-4FEF-BE4D-8114A7462CB3.jpeg"]26917[/ATTACH] I finally made the sub box today with different dimensions. is my math right ? what I did was measure as if it was two boxes then added them together The lower box was 9”5/8 and top measurement was 5” so I did 95/8”+5” = 145/8” divided by 2 =7 5/16” So it is 7 5/16”x9”x12 1/2” = 822.6563 cubic in for lower box Upper box is 11” lower and 4 3/4” upper 11”+4 3/4” = 15 3/4” divided by 2 = 7 7/8” So lower 7 7/8”x7 3/8”x12 1/2” = 725.9766 725.9766+ 822.6563= 1548.633 cubic inches Right now my box is made at 20 1/2” wide so I’m going to have to cut it down by my calculations to 12 1/2” wide. I just want to make sure before I cut it all my dimensions are inside of the box. Thank you After I get the right width I’m going to use construction adhesive on all seams inside of the box to make sure it’s sealed good I’ve already used wood glue and brad nails. [/QUOTE]
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