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15" sub question

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Old Jan 2, 2003
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15" sub question

i know nadda about audio soo here goes.....i can get a 15" All-Chrome Woofer: 800 Watts Max; 400 Watts RMS; 4 Ohm Impedance; Rubber Surround; Kaptan Voice Coil; Screw Style Terminals. does this sound like its good? on and its made by american pro. i'm not at all familiar with audio companies so i'm not sure if this is reputable or if its like the APC of car audio.
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Old Jan 2, 2003
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that sub is much worse than being the "APC of car audio" don't buy that brand or any of the following:
Rockwood
JBC
Pyramid
American Pro
Boss


give a price range u want to spend and i am sure the peeps on this board can help u get a good system
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Old Jan 2, 2003
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i'm trying to think of a good system to hold me over until i can afford my 2 15" adire brahma and 2 10" adire brahma sub setup. anyone selling any subs and are the infinity reference any good. i'm looking in the 150 range or best bang for the buck.
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Old Jan 2, 2003
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For that price range the Elemental Designs E15k would be unbeatable. E-Designs
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Old Jan 2, 2003
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doubledeuce2k2 is just really nicedoubledeuce2k2 is just really nicedoubledeuce2k2 is just really nicedoubledeuce2k2 is just really nicedoubledeuce2k2 is just really nice
i have no problems with the infinity reference, got 2 10"'s.
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Old Jan 2, 2003
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i like those subs 2003 K series from Elemental Designs. man i may get 3 15"s. what ya think. and amo help..what amp could run that well?
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Old Jan 2, 2003
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You will want to give those subs at least 2.5 - 3 ft'3 a piece. I would tune them to about 35hz too. This would give you a good SQ and SPL mix. They should be able to handle 600w for daily driving. As for an amp.....if you do 2 e15k's I would get them with the 2ohm DVC and wire both to make 2 ohms. Then power that setup with a US Amps DE-1000. That would give you around 1200w, which is right at the 600w a piece. Unless your something other than a civic I'm not sure you could fit 3.
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Old Jan 2, 2003
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well i was thinking of kinda a semi circular box where it curves on the cornet and then i'd be able to fit 3.
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Old Jan 3, 2003
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you think you could fit 8 to 9 cubic feet in your trunk without serious modification?
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Old Jan 3, 2003
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[hr]Originally posted by: LudlamTheory
you think you could fit 8 to 9 cubic feet in your trunk without serious modification?[hr]
7.8 cubes if you glass the wheel well...but there's still the problem of fitting 3 15" subs even if you can manage the airspace..they'd either have to be in a box like this

I_I with one sub on each wall firing forward..or all facing up..but bye bye to your entire trunk..

There's alot of 15's that work well in as little as 1.5cu.ft sealed..

the Ek15's would work pretty decent in 1.88cubes.. with the 315's you won't have to worry too much about low end extension [IMG]i/expressions/face-icon-small-smile.gif[/IMG]..that would take up about 7.8 cubes of trunk space with the outside diameters of the enclosure.

Mind you..you'd be adding about 550lbs to your trunk..with the subs and MDF
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Old Jan 3, 2003
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[hr]Originally posted by: mohawkboom
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[hr]Originally posted by: LudlamTheory
you think you could fit 8 to 9 cubic feet in your trunk without serious modification?[hr]

Mind you..you'd be adding about 550lbs to your trunk..with the subs and MDF[hr]
what are you smoking? 550 pounds?
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Old Jan 3, 2003
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yeah.. Bracing..the subs are 30lbs each or so..

alot of MDF.. at least 4 sheets because alot of bracing would be needed.
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Old Jan 3, 2003
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4 sheets of mdf and 3 30 pounds subs is 474 pounds, but ok... yeah, i guess you were right... wow.. i just realized how stupid heavy sub boxes are... add amp weight...
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Old Jan 3, 2003
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yup..add amps and wiring..okay about 500lbs..
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Old Jan 3, 2003
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[hr]Originally posted by: mohawkboom
yup..add amps and wiring..okay about 500lbs..[hr]
ok ok, i suck, blah blah blah... bite me mo
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Old Jan 3, 2003
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Two would be more than enough for daily application. I'm about through designing my system and have settled for 1 15". And the would be a RE XXX 15.




That will be driven by 1600w and in a 3.2ft'3 tuned to 33 box. Should be great for SQL.
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Old Jan 3, 2003
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sounds pretty slick....but how you gonna get your electrical system to support that much power?
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Old Jan 3, 2003
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[hr]Originally posted by: mohawkboom
sounds pretty slick....but how you gonna get your electrical system to support that much power?[hr]

I'll probably have to suffice with a class D, deep cell up front, and a Batcap in back until I get an HO alt. It also helps that US Amps new DE-1000 has a 92% efficiency. I guess I'll find out when I get it in.
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Old Jan 3, 2003
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i really doubt my box adds over 500 pounds to my car, a gallon of resin doesnt add as much weight to my car as a full sheet of MDF. i dont even think 2 gallons would. so lets think about the 3 or so gallons of resin, the several yards of 18 ounce roving (all that MIGHT be close to a sheet of mdf, what, 100 pounds?) then the one and a half sheets or so of MDF (ack heavy! but still not 500 pounds, easily liftable, even tossable b one guy) then the half sheet of .5 inch birch (a feather sitting on a brick) and the four 5/8" two foot long threaded rod bars, which are DAMN heavy considering they are only small steel rods!

am i at 500 pounds yet? no way, but the box is a good 22-28 cubic feet in size........

weight is just planning. if there is a will, there is a way. to make it light yet sturdy. ;D
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Old Jan 4, 2003
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[hr]Originally posted by: WhiteRabbit
i really doubt my box adds over 500 pounds to my car, a gallon of resin doesnt add as much weight to my car as a full sheet of MDF. i dont even think 2 gallons would. so lets think about the 3 or so gallons of resin, the several yards of 18 ounce roving (all that MIGHT be close to a sheet of mdf, what, 100 pounds?) then the one and a half sheets or so of MDF (ack heavy! but still not 500 pounds, easily liftable, even tossable b one guy) then the half sheet of .5 inch birch (a feather sitting on a brick) and the four 5/8" two foot long threaded rod bars, which are DAMN heavy considering they are only small steel rods!

am i at 500 pounds yet? no way, but the box is a good 22-28 cubic feet in size........

weight is just planning. if there is a will, there is a way. to make it light yet sturdy. ;D[hr]
96 pounds for a sheet of mdf.... so 96 * 2.5 = 240
add bracing, amps, subs, wiring... at the MOST 100 pounds... 350 for mr whiterabbit
assuming you have 26 cubic feet, thats 13.5 pounds per square foot... well done mr whitey... well done
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Old Jan 4, 2003
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then theres the box i buit from 1 inch MDF, 1.5 cubes for an hcca 10, already weighting a ton. the damn thing probably weighs 350 pounds on ITS own, too ;p
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Old Jan 4, 2003
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[hr]Originally posted by: WhiteRabbit
then theres the box i buit from 1 inch MDF, 1.5 cubes for an hcca 10, already weighting a ton. the damn thing probably weighs 350 pounds on ITS own, too ;p[hr]
Well fiberglass is lights..but your 3 gallons of resin with hardner would be about 60lbs on it;s own..100yards of roving is abother 50lbs or so..add your subs and amps.

you saved a few hundred lbs over MDF..but it's still alot of weight to your car[IMG]i/expressions/face-icon-small-smile.gif[/IMG].... If your box was MDF you'd needa turbo to get your car moving..
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