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-   -   Sub Box Volume ?? (http://www.wakeworld.com/forum/showthread.php?t=797315)

Bumpass1 03-18-2013 12:42 PM

Sub Box Volume ??
 
I picked up a new sub for the 'ol vessel and I'm in the middle of installation and have a question about sealed enclosure size. I can build an enclosure that will have a max volume of 1.54 cubic feet. My first design had a volume of 1.46 cubic feet. The question is which one do I go with? I the owners manual for the sub I got it says that sealed enclosure sizing between 1.0 cubic feet and 2.4 cubic feet.

david_e_m 03-18-2013 4:10 PM

In a sealed enclosure, for the best and balanced sound quality, you typically want to end up with a 'Qtc' (system 'Q' of woofer and enclosure) of around 0.8 +/- 5%. You will need the woofer's Thiele Small parameters to correctly calculate this.
What kind of woofer gives you a 240% displacement range? Are you sure that you interpreted the recommendations correctly?

David
Earmark Marine

Bumpass1 03-19-2013 3:39 AM

Thanks for the response David. Here is he link to the manual (page 3) for the sub I have.

http://www.kicker.com/sites/default/...Sub%20RevB.pdf

chpthril 03-19-2013 5:29 AM

What kind of power are you going to be feeding the sub?

david_e_m 03-19-2013 7:09 AM

Jamie,
Kicker builds a molded enclosure for that sub which is in the area of 1.5 cu.ft. internal net after driver displacement. So the 1.54 internal gross enclosure is very close.

David
Earmark Marine


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