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  #1  
Old 08-30-2010, 08:31 PM
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Default Help me get my 21 low!!!!

What box should i put it in... any ideas? its going in a 2dr ford explorer, no wall, i was thinking sub up port back with aeroports tuned to 28 hz at about 9.5 cubes?? give me some ideas, i want this thing to get down!!! 2k is gunna be thrown at this thing. thanks
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CAR:Ford Explorer Sport
BATT:1 Kinetik hc2000,2 c&d 75 aH
WIRE:2/0 Welding Cable
ALT: Db Electric 220 amp with big 3
SUB: 21inch IA DP
AMP: Audiopipe GD-6001
BOX: 9cubic foot wall tuned to 32hz

Sold to: Subw123, d77543020

Bought from: Memphistahoe02, Rd4me,Sundownz
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  #2  
Old 08-30-2010, 08:33 PM
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Not sure how much airspace you need for a 21" but sub up port back sounds good, especially in a SUV. Personally I would tune to 30HZ but that's just me.
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Old 08-30-2010, 08:36 PM
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Quote:
Originally Posted by k3n12ock View Post
Not sure how much airspace you need for a 21" but sub up port back sounds good, especially in a SUV. Personally I would tune to 30HZ but that's just me.
why 30?
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CAR:Ford Explorer Sport
BATT:1 Kinetik hc2000,2 c&d 75 aH
WIRE:2/0 Welding Cable
ALT: Db Electric 220 amp with big 3
SUB: 21inch IA DP
AMP: Audiopipe GD-6001
BOX: 9cubic foot wall tuned to 32hz

Sold to: Subw123, d77543020

Bought from: Memphistahoe02, Rd4me,Sundownz
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  #4  
Old 08-30-2010, 08:42 PM
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tune higher to like 35hz, and put ports around 3/4 diameter away from rear gate
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Old 08-30-2010, 08:44 PM
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Quote:
Originally Posted by xander_crews View Post
tune higher to like 35hz, and put ports around 3/4 diameter away from rear gate
^^^ this
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Old 08-30-2010, 08:47 PM
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Quote:
Originally Posted by xander_crews View Post
tune higher to like 35hz, and put ports around 3/4 diameter away from rear gate
why 35 i said low
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CAR:Ford Explorer Sport
BATT:1 Kinetik hc2000,2 c&d 75 aH
WIRE:2/0 Welding Cable
ALT: Db Electric 220 amp with big 3
SUB: 21inch IA DP
AMP: Audiopipe GD-6001
BOX: 9cubic foot wall tuned to 32hz

Sold to: Subw123, d77543020

Bought from: Memphistahoe02, Rd4me,Sundownz
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Old 08-30-2010, 08:49 PM
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because I know how to design boxes and I know how it will react in car
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Old 08-30-2010, 08:54 PM
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Quote:
Originally Posted by xander_crews View Post
because I know how to design boxes and I know how it will react in car
i know your a good box designer but i dont see how that will work.
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CAR:Ford Explorer Sport
BATT:1 Kinetik hc2000,2 c&d 75 aH
WIRE:2/0 Welding Cable
ALT: Db Electric 220 amp with big 3
SUB: 21inch IA DP
AMP: Audiopipe GD-6001
BOX: 9cubic foot wall tuned to 32hz

Sold to: Subw123, d77543020

Bought from: Memphistahoe02, Rd4me,Sundownz
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Old 08-30-2010, 08:56 PM
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Quote:
Originally Posted by cole20cole View Post
i know your a good box designer but i dont see how that will work.
Trust him! your tuning will drop because of the vehicle.
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Old 08-30-2010, 08:58 PM
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this is what I did with a box tuned to 37hz and kicker l7's

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