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building 2 seperate boxes where back seat was in civic coupe. each box will be 18" W X 22"D x 32"H, kicker book calls for port being 3.5" X 16.25" X 13.75" long, what will this be tuned to and does that sound like enough air space? car is for daily driver and each sub will have 1 kx1200.1 wired to 1 ohm each. thanks for help
Posts: 10 | From: tuscaloosa, alabama | Registered: Jun 2006
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I have 4 but L7 12's tuned to 39 Hertz and peaks @ 55 Hertz love how it sounds sub's up 4 4inch aeroports to the tail so far 152.1 outlaw 143.3 in bass race with 2 2500's looking to put 4 2500 just for burps to see what #'s I get out of them next if all works well I will be switching vehicle's next yr and putting into a Rex the see which will go louder just might do both crx for all out spl and the blazer for bass race lets see what happens @ Finals this yr then I will decide
-------------------- Team Boricua Sin Miedo Team Florida Team Xtreme Disturbance Posts: 1324 | From: Apopka Fl, | Registered: Aug 2005
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do those dimensions sound like enough air space for 1? thanks for replies
Posts: 10 | From: tuscaloosa, alabama | Registered: Jun 2006
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i ran your box numbers through win isd, and it seems to be tuned at around 37.9. and thats with a interal volume of 5.32 cft. in other words your box will be perfect. you should do pretty good with 2 boxes like that in the back of your civic. you might also play with your box some by adding 45's to the corners. 45's can decrease resistance of air flow thru the port if done right. but if an extra db here and there doesnt matter then just go with a basic rectangle. you could try the 45's after you build the box by just temporarily duct taping the side rear corners. good luck David
-------------------- http://cardomain.com/id/jkd20bry Eclipse CD 8455 2- XX Colossus II amp's 2- Eclipse SW 9152 PRO Ti's 5- yellow tops 95 Chrysler Sebring w/wall Posts: 190 | From: grandjunction, colorado | Registered: Apr 2006
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what size to i make port if i am looking for lower tuning, like around 30? thanks again. i plan to use the 45's in corners already
Posts: 10 | From: tuscaloosa, alabama | Registered: Jun 2006
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