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<blockquote data-quote="KARLEON" data-source="post: 1392380" data-attributes="member: 541893">Ok im making a box for an explorer for my death penalty 15s and need about 8 cubes tuned to 35HZ.. I just would like some fellow forum members to go over my plans to make sure im correct.measurements im working with...&nbsp; 41&quot;W x 20&quot;D x 27&quot;D = 2214022140 divided by 1728 =&nbsp; &nbsp; 12.81 cubesafter wood displacement = 8.972 cubes&nbsp;&nbsp; (using 1.5in thick wood)Port info...&nbsp; Im shooting for 35hz tuning using 4 square like portseach port is 4&quot;H x 6.5&quot;WI used carstereo.com to do the numbers and i got 21.29&quot; long to give me a 35hz tuningeach port volume was .14316so that times the number of ports (4)&nbsp; = .57 cubes&nbsp; for my total port displacement(using .75 wood for my port)each sub displaces .22 cubes...two 15s would displace .44 cubes.57 + .44 = 1.018.972 - 1.01 = 7.962 rounded up to 8 cubes of airspace for my subs.someone please correct my math if its wrong and help me out...By the way, subs will be facing up and ports facing hatch along the bottom of the enclosure.</blockquote>

[QUOTE="KARLEON, post: 1392380, member: 541893"] Ok im making a box for an explorer for my death penalty 15s and need about 8 cubes tuned to 35HZ.. I just would like some fellow forum members to go over my plans to make sure im correct. measurements im working with... 41"W x 20"D x 27"D = 22140 22140 divided by 1728 = 12.81 cubes after wood displacement = 8.972 cubes (using 1.5in thick wood) Port info... Im shooting for 35hz tuning using 4 square like ports each port is 4"H x 6.5"W I used carstereo.com to do the numbers and i got 21.29" long to give me a 35hz tuning each port volume was .14316 so that times the number of ports (4) = .57 cubes for my total port displacement (using .75 wood for my port) each sub displaces .22 cubes...two 15s would displace .44 cubes .57 + .44 = 1.01 8.972 - 1.01 = 7.962 rounded up to 8 cubes of airspace for my subs. someone please correct my math if its wrong and help me out...By the way, subs will be facing up and ports facing hatch along the bottom of the enclosure. [/QUOTE]

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