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Enclosure Discussion & Design Construction Help Have questions about enclosure design neeed some help thoughout your build, ask here.


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  #1  
Old 06-18-2011, 07:28 PM
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Default help with new idea

so i was going to do 12 12's in my truck well i have yet to build the baffle yet and was wondering if i should just do 8 15's? is more cone area cheaper and i think will fit nicer than the 12's
i still want to do a 4th order but the response im getting from bbp6 is looking odd


idk if it just wont work with the 15's or what but it is really off any ideas on how to get this to work or should i just stick with the 12's?
here is a link to my build if you wanna check what i was doing with the 12's
96 ram 1500 build
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rd d9 @ .5ohm
2 sa Zv1's 5.8cf tuned to 48 or 32 with port plugs
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  #2  
Old 06-18-2011, 11:36 PM
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bump for people being on-line now...
i think i worked a little bit out it was just messed up and mixing up numbers but im still concerned that it is just not big enough for 8 15's
any opinions?
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Old 06-19-2011, 03:02 PM
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I think 3.5cf per sub ported and 1.25 sealed should be good port looks to be 6.7" long for 45hz tuning I think this will work any opinions yay or nay?
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Old 06-19-2011, 04:20 PM
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What subs?
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Old 06-19-2011, 07:24 PM
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Oops obsidian 15's d2
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Old 06-19-2011, 07:44 PM
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I am getting offline rightnow, but make sure that your units are correct, for instance liters-cuft, etc..Winisd has a calculator that will give you the response when you select it. It asks if you want a flat response, ripple, etc. Its like a wizard.
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Old 06-19-2011, 08:10 PM
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units were right idk i think because its a unregistered version it was just going crazy and f'in things up, if you look at it, all i was asking for was 8.6cf and it said i needed 25cf internal to get it after displacement's in the sealed chamber.....
i think i figured it out now, just need to know how eight 15" obsidian d2's would work in 28.9cf ported to 45hz with 12cf sealed?
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Old 06-19-2011, 09:49 PM
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Let me look at it man..
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Old 06-19-2011, 09:58 PM
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My external dimensions are 38 tall x 48 wide x 68 long
All walls are 4" except the sub baffle that will be 1.5" maybe 3" at the most port is .75" wood
And I would like the port to be around 12.5 x 38.5 after wood is taken into account and Hank was thinking no less than 1.5cf per 15 on the sealed side so I think ima be good
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