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  #1  
Old 05-05-2013, 08:50 PM
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Default Options on getting more out of subs

Any input on what I can do to get more out of my subs or possibly change/add more. I prefer not to spend much if possible.
Right now I have 2 sa12d4 on a skar 2500.1 with a d3400 in rear and mechman 240 under hood. 2/0 welding cable. All this is in a 98 Grand cherokee. Box design is bellow. They sound good, but I wouldlike to get more out of them.

Fb = 33.076 Hz
Vb = 3.546 ft^3

External Height = 16 in
External Width = 37 in
External Depth = 19 in

Port Width = 3 3/4 in
Port Height = 13 3/4 in




I found box design on smd
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Last edited by 2slow2race; 05-05-2013 at 08:53 PM.
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Old 05-05-2013, 08:53 PM
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Hate to say it, but you've probably got them maxed out. You might get a little here or there with a redesign, but it probably would't be audible.

You need subs that can use the power you have.
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Old 05-05-2013, 08:55 PM
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What do you recommend or should I add another 1 or 2?
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Too much electrical is better then not enough.

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Old 05-05-2013, 09:14 PM
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recone the subs to d2 and wire down to .5
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Old 05-05-2013, 09:19 PM
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Originally Posted by 2slow2race View Post
What do you recommend or should I add another 1 or 2?
If you've got the room and want to rebuild... for sure. I'd get another pair.
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Old 05-05-2013, 09:22 PM
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You got a grand Cherokee like i do an if your cargo is around the same as mine you have roughly around 9cf in the cargo if I remember correctly when I asked t fade about this.

I would say see if you can get a design for 4 12s but first whTs your max dimensions you have to work with.
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Old 05-05-2013, 09:40 PM
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Ill get dimensions tomorrow. I thought I had them on here, but I cant seem to find them. If I got 2 more then my amp would be under powering them. Or would running the amp at roughly .5 make the amp come alive that much more?
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Old 05-05-2013, 10:05 PM
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If you can fit four more then likely subs up port back, an you have the electrical I wouldn't see no problem running that amp under 1ohm cause of box rise you should be good

But we have to start with dimensions before we go any farther.
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Old 05-06-2013, 12:58 PM
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30 deep
42 wide
32 height
That's all the way to my 3rd brake light.

I was concerned as if the amp can actually push 4 12's
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Too much electrical is better then not enough.

Suburban build coming soon. Collecting parts.
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Old 05-06-2013, 01:24 PM
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Sa's perform really well in 4ths wouldnt cost much to build a 4th for the pair and if buildt right should play from 20-55hz with authority. I have 2 sa 10s doing a 44-45 on music in a 3/1 4th with wat u have theres alot of potential. If u decide to go that route and need a sketch up lmk pm me.
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