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Old 03-08-2016, 07:47 AM
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Default going front single 15 to two 12's, help me with box idea

Right now I have a single 15" (zcon w/ warden recone) and a taramps dsp3k with a single 6" aeroport 3.8cf^3 @35hz after displacements. It's not enough spl for my liking but I can't make the box any bigger and keep the wife happy with trunk space.

I purchased two sa-12's and was thinking of building a similar spec box. I've read around that ported forward facing is more Sq than spl and you heat distortion more. I won't have to push my amp as hard since the sa-12's won't take as much as my current sub (I think) so I shouldn't worry as much about clipping my amp

My rear seats don't fold down so the subs will be facing the the rear seat backs but with my 6" aeroport centered with my skipass with the box sealed off.
I like the rear firing box idea but I hate worrying about my sub being damaged and if I build a forward facing box, it will be angled towards the rear seat to avoid wasting space.
I only have a few inches of space around the box for the bass to travel into the cabin since my box is tall/wide
I just want the most spl with this set up. That's why I went with more cone area
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Old 03-08-2016, 09:31 AM
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Those Sa 12s will handle that 3k amp. Only way you want to fire forward is if you can seal it off 100%... With your seats not folding it would be a waste. And I would only port threw the ski pass if you can do a 4th order and port threw the ski pass... I would just do subs back port back unless you can fit a 4th order
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Old 03-08-2016, 11:23 AM
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Quote:
Originally Posted by massivespl View Post
Those Sa 12s will handle that 3k amp. Only way you want to fire forward is if you can seal it off 100%... With your seats not folding it would be a waste. And I would only port threw the ski pass if you can do a 4th order and port threw the ski pass... I would just do subs back port back unless you can fit a 4th order
Unfortunately my rear seat doesn't fold down. I know the bigger the box the better (to a limit) and I've read sa12's like small enclosures but would I see much difference if I gave each sub 1.5 or 1.8 cubic feet?
The smaller I can make the box, the more space I can have around for the waves to travel into my cabin.

Last edited by lalojamesliz; 03-08-2016 at 11:25 AM.
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