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<blockquote data-quote="SSS 18734" data-source="post: 934524" data-attributes="member: 559710">I don&#039;t have a box-building program, so I have made the following plans by hand for my 12&quot; Pioneer 2000SPL&#039;s.Pioneer Recommends a 1.75 cu.ft. box for each sub including the speaker and port. I will be building a dual divided box. Both ports are 4&quot; in diameter and 6.5&quot; long. I will be using 3/4&quot; MDF.I have figured the interior specs of each chamber to be:Width: 15&quot;Depth: 18&quot;Height: 11.2&quot;That will get me exactly 1.75 cu.ft.My whole box, with the subs and port facing upwards will have the following dimensions externally, with an internal divider made of 3/4&quot; MDF.Width: 32.25&quot;Depth: 19.5&quot;Height: 12.7&quot; Sorry for the lack of any diagrams. Can someone plug this into their box-building program and double-check that I will get the proper airspace for each sub?</blockquote>

[QUOTE="SSS 18734, post: 934524, member: 559710"] I don't have a box-building program, so I have made the following plans by hand for my 12" Pioneer 2000SPL's. Pioneer Recommends a 1.75 cu.ft. box for each sub including the speaker and port. I will be building a dual divided box. Both ports are 4" in diameter and 6.5" long. I will be using 3/4" MDF. I have figured the interior specs of each chamber to be: [COLOR=RoyalBlue]Width: 15"[/COLOR] [COLOR=RoyalBlue]Depth: 18"[/COLOR] [COLOR=RoyalBlue]Height: 11.2"[/COLOR] That will get me exactly 1.75 cu.ft. My whole box, with the subs and port facing upwards will have the following dimensions externally, with an internal divider made of 3/4" MDF. [COLOR=RoyalBlue]Width: 32.25"[/COLOR] [COLOR=RoyalBlue]Depth: 19.5"[/COLOR] [COLOR=RoyalBlue]Height: 12.7" [/COLOR] Sorry for the lack of any diagrams. Can someone plug this into their box-building program and double-check that I will get the proper airspace for each sub? [/QUOTE]

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