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Old 05-08-2013, 12:02 PM
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Default 2 15's @ 30hz box design

My design that I have come up with gives me 6 cubes and tuned at 30.16hz an I'm wondering if that will be sufficient for 2 15's. (thinking dc or psi on 4-5k)

here are my box specs

20" tall x 35" wide x 25" deep

Port will be above the subs on the face of the box (the 35" by 20" side"

Port Will be 3.5" tall and 22" wide

Tuned at 30.16hz

78" of port area

12.83" per cubic foot

8.43 cubes before displacement

6.0 cubes after port, bracing and sub displacement.





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Old 05-08-2013, 12:25 PM
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IMO I would tune to 35
Will help you either get a little more port area or more box volume.

But 6 each with that port area sounds good.

Should be loud
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Old 05-08-2013, 12:29 PM
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Quote:
Originally Posted by tymoto21 View Post
IMO I would tune to 35
Will help you either get a little more port area or more box volume.

But 6 each with that port area sounds good.

Should be loud
It's 6cubes for both subs, not per sub I really don't listen to anything above 40hz when listening to rap, mostly 25-40hz is about what I listen to, I like the low lows wen not listening to rock. Just worry about it being to small for the 15's
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Old 05-08-2013, 12:32 PM
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i always like to stay closer to 14sqin of port per cube. but depending on the subs you go with, if you are over powering going a little bit tighter on the box will help them handle it.
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Old 05-08-2013, 12:34 PM
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i always like to stay closer to 14sqin of port per cube. but depending on the subs you go with, if you are over powering going a little bit tighter on the box will help them handle it.
I was thinking about 2 dc lvl 4's on 2k each
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Old 05-08-2013, 12:37 PM
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i always like to stay closer to 14sqin of port per cube. but depending on the subs you go with, if you are over powering going a little bit tighter on the box will help them handle it.
That box would help with the extra power thrown at em
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Old 05-08-2013, 12:38 PM
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I was thinking about 2 dc lvl 4's on 2k each
depending on your electrical you may be over powering a bit so yeah around 3cuft should be fine but if possible bump that port area up a bit.
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Old 05-08-2013, 12:40 PM
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isnt this like the 3rd thread youve made about boxes..
kinda seems like to me maybe you like to do local guys boxes..and reallly have no clue on what your doing so you come here for tips and advice right??
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Old 05-08-2013, 12:41 PM
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depending on your electrical you may be over powering a bit so yeah around 3cuft should be fine but if possible bump that port area up a bit.
Bumpin in up to 14.xx puts me at like like 5.8xx cubes. I worry about that being to small. But there will be a 9" x 24" plexi window on the back, and the way I mount it (lay it on the back of te box and bolt it down, the out a piece around that so it sits flush) would take away whatever a piece of 3/4" 8" by 23" wood is.
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Old 05-08-2013, 12:42 PM
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Quote:
Originally Posted by Twitney181 View Post
Bumpin in up to 14.xx puts me at like like 5.8xx cubes. I worry about that being to small. But there will be a 9" x 24" plexi window on the back, and the way I mount it (lay it on the back of te box and bolt it down, the out a piece around that so it sits flush) would take away whatever a piece of 3/4" 8" by 23" wood is.

well i meant push your variable wall out to allow you to get that extra port area, unless you are at max dimensions?
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