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Old 04-26-2012, 05:27 PM
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Default 4 SA-12s in a wall

Hey guys I'm laying out a box design for 4 sa-12's in my 99 nissan frontier. I'm wanting to do a wall behind the seats like the one shown. I'm thinking 6.5-7 cubes after displacement and 130 sq. in. of port tuned to 33hz. They'll be ran on a saz3500 . Oh and I'm planning to run the port at the top of the box firing towards the windshield. This will be my first wall build so any specific pointers you guys could throw my way would be great.

http://gi171.photobucket.com/groups/...4EBEL/box1.jpg
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Old 04-26-2012, 08:18 PM
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Bumpity?
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Old 04-26-2012, 08:26 PM
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honestly may be hard to make a wall that small.lol. other than that, i think you should come down a little or port area. 100-110" tops for a daily setup
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Old 04-26-2012, 08:28 PM
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It would have to be either super shallow or really narrow with a big baffle piece lol. any reason for only doing 4? Why not 6 or 8 in a clam?
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Old 04-26-2012, 08:36 PM
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I'd like to keep my bed space and not have to cut a hole for a blowthrough so I'm trying to fit a wall. from the floor I have 15" to work with and at the headrests I've probably got 10-12" to the back glass. Im planning on welding up a base for the box that will rise 10" off the floor so I can fit my batteries and subs underneath it i've got plenty of width and height to work with, depth is my only issue. So if I could find a way to make this work, under 100" port area? What should I be shooting for? I've always been kind confused about the port area debacle. Sorry for noob questions.
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Old 04-26-2012, 08:39 PM
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6.5-7 cubes with 15" per would be more than enough
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Old 04-26-2012, 08:53 PM
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Take ur total port area n divide it by ur net cubic foot of ur box(after sub n brace disp), the final number should be betweein 13.5-15, thats great for musical, n 2 saz-3500s?, thats too much power for them with that big of a box, even with box rise, iirc those amps do around 4000 watts at 14v n 1 ohm, if u wire each amp to 1 ohm then i hope ur imp rises to 3ohms n voltage drops to 11.8 for 2200 watts , usually the bigger the box, the easier they r to unload with lots of juice, but i guess u can fine tune each amp to give the best
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Old 04-26-2012, 09:01 PM
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Quote:
Originally Posted by niteryda View Post
Take ur total port area n divide it by ur net cubic foot of ur box(after sub n brace disp), the final number should be betweein 13.5-15, thats great for musical, n 2 saz-3500s?, thats too much power for them with that big of a box, even with box rise, iirc those amps do around 4000 watts at 14v n 1 ohm, if u wire each amp to 1 ohm then i hope ur imp rises to 3ohms n voltage drops to 11.8 for 2200 watts , usually the bigger the box, the easier they r to unload with lots of juice, but i guess u can fine tune each amp to give the best
Yeah it would be on just one 3500. Thanks for the great info though! Im still kinda in the learn everything I can stage as far as box specs and tuning goes.
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Old 04-26-2012, 09:19 PM
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Quote:
Originally Posted by ChanCon View Post
Yeah it would be on just one 3500. Thanks for the great info though! Im still kinda in the learn everything I can stage as far as box specs and tuning goes.
Omg man im sorry, i just seen that there was no "s" after 3500 up there, i added my own s, another way to find out ur final port area, u can take 13.5-15 n multiply that by ur net cu ft, thatll get ur final port area (ex 7cubes n 15 per = 105 sq inches), u can do the division way or the multiply way, which ever works easiest for u, i switch off
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