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Sub and Amplifier...opionons?

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Old Mar 8, 2005 | 05:02 PM
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Sub and Amplifier...opionons?

I just finished my box for my 95 F150 regular cab. Its 7.5" at base 4" at top and is 14" tall and 48" long. And has space for 4 10" woofers and i was thinking abot getting 4 Infinity 1030w 10" woofers and a Infinity 7541A 4 channel amp with 139 watts RMS at 2 ohms...Any thoughts?
 
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Old Mar 8, 2005 | 08:33 PM
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Old Mar 8, 2005 | 08:53 PM
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i will check out guidelines and thanks!
 
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Old Mar 9, 2005 | 09:42 AM
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Hello
I hate to be the bearer of bad news but
according to the info you supplied there is no way
you can make that setup work
that box you spec'd out comes to 1.430 cu. ft.
those Infinity subs require .75 cu ft Each
so you need 3 cu. ft. for 4 of those subs(sealed enclosure)
Box has a max. sub depth allowance of about 4 1/2" on center
probably slightly less in reality depending on actual sub
dimensions -magnet size etc..
That sub has a 5 9\16" top mount depth--

My recommendation if your have the box built already change your sub
selection--you need a shallow mount woofer
2 12" woofers will fit and sound much better than 4 10" in this box
check this link its the only decent option that I know of

http://www.pioneerelectronics.com/pn...401920,00.html

For an amp
I would look for a Good brand name Mono Sub amp
in the 500 -1000 watt RMS range
post any more questions

Josh
JB Customs
 
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Old Mar 9, 2005 | 11:28 AM
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Also, you're going to need to seal off each sub from the other. Since it looks like you are going to need shallow subs I would like to recommend Blaupunkt's Overdrive subs, I was just up at Car Toys yesterday playing with the different stuff, and I turned these on and all I have to say is wow. These things sound really good. But for size If I were you I would go with 2 12" subs rather than 4 10".
 
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Old Mar 9, 2005 | 11:59 AM
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that looks like a nice sub also--just a little on the pricey side

http://www.blaupunktusa.com/Blaupunk.../ODw1200HP.htm

that would also fit no problem

btw--You do not need to seal off the subs from one another
especially with your box-- that will just eat up more valueable
air space

also use some accu fill or stuffing in your box

g/l
 
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Old Mar 9, 2005 | 04:04 PM
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Since it's so skinny he wouldn't have to? Or why? The way I understand it, when they were to both hit, it would put stress on the other subwoofer...
 
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Old Mar 9, 2005 | 05:08 PM
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From: MASS
http://ccs.exl.info/frame_installation.html

check here'

its explained fairly well with alot of other good info

g/l

Josh
JB Customs
 
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Old Mar 9, 2005 | 07:11 PM
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I havent permanately got front baffle on yet so i could still change the setup
 
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Old Mar 9, 2005 | 07:17 PM
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Hello
I hate to be the bearer of bad news but
according to the info you supplied there is no way
you can make that setup work
that box you spec'd out comes to 1.430 cu. ft.
those Infinity subs require .75 cu ft Each
so you need 3 cu. ft. for 4 of those subs(sealed enclosure)
Box has a max. sub depth allowance of about 4 1/2" on center
probably slightly less in reality depending on actual sub
dimensions -magnet size etc..
That sub has a 5 9\16" top mount depth--
Josh
JB Customs
hey how'd you get 1.430? Maybe my math is wrong but i got..... .5*14(4+7.5)*48=3864/1728=2.2361/4=.56 each sub????
 
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Old Mar 10, 2005 | 12:04 AM
  #11  
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try http://www.the12volt.com/caraudio/boxcalcs.asp It makes the calcuations easy
 
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Old Mar 10, 2005 | 07:41 AM
  #12  
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From: MASS
you need to measure inside box dimensions not outside
so I figure you used 3/4 inch MDF

so subtract 1.5 inch from each measurement you have

46.5 L x 12.5 H x 4.25 W
2470 cu in
divide by 1728

1.429 cu ft

in reality this number will be even on the generous side
because your woofers will displace some volume as well
though be it minimal-- 4 woofers can displace any from
.2 -- .5 cu ft.

I hope this is helpfull

Josh
JB Customs
 
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Old Mar 10, 2005 | 11:18 PM
  #13  
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I was going to say that, but I had already signed off before I thought of it. Good going brianas
 
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