04-14-2017, 10:29 AM
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#10 (permalink)
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Base Member
Join Date: Jul 2013
Location: Santa Monica, CA
Posts: 51
Drives: 2013 370Z Sport M6
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Quote:
Originally Posted by Jayhovah
Before you leave our lovely forum - how did you get the internal volume to spec? I have made a few frp enclosures very similar to this one but they were always sealed... I see you fabbed the port into the base first... it would be cool to be able to figure this out at that stage. They really look nice.
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I used sand. After I matched the contour of the the cubby, roughed in the speaker location, and added the port, I poured in a volume of sand that matched the JL spec for a ported box. That's what determined the final shape of the face. Oddly enough, I didn't have to tweak it much. The shape I was planning matched pretty well. There's a picture above with the sand and a couple of dividers I was using to keep it from spilling and to compare to a sealed volume.
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