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Old 08-02-2007, 01:34 PM
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Need Help!

Okay, seriously, If someone can come up with a solution to this I will LOVE you forever.

Let's just say I figured out a way to fit 9, thats right NINE 12" subs into the trunk. But the trunk is 2 Goddamn inches too short.

So tell me if I could do this, the back seat is about 2.5" thick. Theoretically, could I cut out the two inches of needed space from the backside of the seat?

This is a diagram of what I want to do:


The red box would be the sub enclosure.

Do you guys think this is possible?



Think of the possibilities people,

Nine 12's is 1020 square inches of surface area, Which is the equivalent of Six 15's, or Four 18's.



My design. Havent added internal bracing yet though. The box is about 6.5 ft^3 after Subs and internal bracing. It will house Nine EHQS 12's. Running 2000w RMS.

Last edited by HackAbuse; 08-02-2007 at 03:48 PM.
Old 08-02-2007, 01:36 PM
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I'd like to know why you want (9) 12s to begin with. I think the stock 10 hits hard enough for me.
Old 08-02-2007, 01:38 PM
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Sure you could make a custom seat back, people do it all the time and it works just fine.

Myself I'd say remove the rear seat back totaly and make a new one from scratch from about 1/2 inch thick plywood. Attach a thin foam sheet to the wood and then cover it with a fabic that matches the interior of your car as closly as possible.

How does that sound?
Old 08-02-2007, 01:38 PM
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Originally Posted by BriantheLion26
I'd like to know why you want (9) 12s to begin with. I think the stock 10 hits hard enough for me.
Two words. Sound competition.

Imagine the loudness of Four 18's with the Sound Quality of 12's, and the reliability of low power subs.

More subs = more efficiency
Old 08-02-2007, 01:38 PM
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Originally Posted by BriantheLion26
I'd like to know why you want (9) 12s to begin with. I think the stock 10 hits hard enough for me.

He wants to knock his eyeballs out onto the dash.
Old 08-02-2007, 01:39 PM
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Originally Posted by HackAbuse
Two words. Sound competition.

Imagine the loudness of Four 18's with the Sound Quality of 12's, and the reliability of low power subs.

More subs = more efficiency
Ahh competition, I see. Well good luck on your project, I don't see why cutting some out would be a major problem. Make sure you use plexiglass so you don't shatter yours.
Old 08-02-2007, 01:40 PM
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Originally Posted by Jackalope
Sure you could make a custom seat back, people do it all the time and it works just fine.

Myself I'd say remove the rear seat back totaly and make a new one from scratch from about 1/2 inch thick plywood. Attach a thin foam sheet to the wood and then cover it with a fabic that matches the interior of your car as closly as possible.

How does that sound?
I think I can just cut through the plastic backing in the seat and remove 2" of foam. Th box would only hit the seat in two small spots, So I wouldnt have to remove too much material.

In order to get the box into the trunk I'd have to remove all of the seats in the car though, including one door. The box i designed just BARELY fits through the rear door opening.
Old 08-02-2007, 01:42 PM
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just cut up the seat, then use some metal braces to support the back seat (no one will want to sit back there with that much power in the trunk though )
Old 08-02-2007, 01:42 PM
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Well it sounds like you have it figured out, I say do it and post pics or PERMA-BAN!
JK man! But you should do it.
Old 08-02-2007, 01:43 PM
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I say get shaving... and let me know when its done, ill drive my ass out to syracuse just to hear what that sounds like
Old 08-02-2007, 01:50 PM
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My design. Havent added internal bracing yet though. The box is about 6.5 ft^3 after Subs and internal bracing. It will house Nine EHQS 12's. Running 2000w RMS.
Old 08-02-2007, 01:54 PM
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With that design and those small areas.... are you sure you couldn't just PUSH the seats to lock them in place? Or just go in and chop out the little chunk you need and hit it with something to seal it up. I thought you had to cut 2" across the whole top of the seat. How wide is each of those little corners?
Old 08-02-2007, 01:59 PM
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Originally Posted by OrngBalt
With that design and those small areas.... are you sure you couldn't just PUSH the seats to lock them in place? Or just go in and chop out the little chunk you need and hit it with something to seal it up. I thought you had to cut 2" across the whole top of the seat. How wide is each of those little corners?
Yeah, id just have to remove those chunks. The corners are 1.5" at the top and taper out
Old 08-02-2007, 02:03 PM
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Why dont you put either the front or rear row of speakers at an angle? and save two inches that way.
OR stagger your rows, it won't be as aesthetically pleasing, but it will damn sure fit better

my suggestion would be to remove the back seat and fab a bench in the back. You should know from experience that you may need to put the original seat back in, and sell those speakers
Old 08-02-2007, 02:06 PM
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Originally Posted by monkeiboy
Why dont you put either the front or rear row of speakers at an angle? and save two inches that way.
OR stagger your rows, it won't be as aesthetically pleasing, but it will damn sure fit better

my suggestion would be to remove the back seat and fab a bench in the back. You should know from experience that you may need to put the original seat back in, and sell those speakers
I could always remove the carpeting from the back of the seats, then replace before selling the car, there wouldnt be a visable difference
Old 08-02-2007, 02:34 PM
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could you just modify the box to fit with the line of the seats?
Old 08-02-2007, 02:38 PM
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Originally Posted by OrngBalt
could you just modify the box to fit with the line of the seats?
No I can't I'm already squeezing every last BIT of space to fit the subs
Old 08-02-2007, 02:50 PM
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lol this kid lived 30 miles from me and his subs set my alarm off from that far away
Old 08-02-2007, 03:42 PM
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to the top!
Old 08-02-2007, 04:00 PM
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Your F****** retarded!I mean that in the best possible way!
Old 08-03-2007, 02:08 AM
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stop it... your getting to the point were more subs is less efficient. Id honestly be surprised if 9 12s gout louder then my single 15 ported. Stick with the 2 L7s
Old 08-03-2007, 02:12 AM
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thats retarted you can put anything in the trunk why would you want all of the subs for??
Old 08-03-2007, 02:18 AM
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lol to get loud... some peole want to go fast and some want to get loud




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