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sub box design


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will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: October 08, 2006 at 9:08 PM / IP Logged  
i am designing a wall in my car i know the basic design of the box and the ports. I am running one memphis mojo 15 " and four JBL Power Series P1224 12 " in a 2 door hatchbach ford escort running two kinetic 800 amp batteries on 2 hiphonics brutus amps rated at 1600 watts a piece. but i need to know more about the box design w/ the ports. of course it will be dual chambers behind the driver side. These pics are some specs i have anyone have any other ideas, port changes, etc.
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: October 08, 2006 at 9:13 PM / IP Logged  
sub box design -- posted image.sub box design -- posted image.
bigste925 
Member - Posts: 21
Member spacespace
Joined: January 28, 2006
Location: United States
Posted: October 11, 2006 at 10:10 AM / IP Logged  
why are you running a 15 of one brand and four 12s of another. you will get a lot of sound but it will be very hard to tune because each sub is rated differently
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: October 11, 2006 at 2:31 PM / IP Logged  
yeah i know, i could go with a 12, but there is a really small price difference between the 15 and the 12, so i'm going bigger. it will take time to tune the frequency right, but i think it will be worth it.
bigste925 
Member - Posts: 21
Member spacespace
Joined: January 28, 2006
Location: United States
Posted: October 11, 2006 at 3:49 PM / IP Logged  
Why dont you just do 4 15's instead. The 4 12's are basically equivalent to 3 15's. You only loosing 3 inches of sub but you also wont need as much box space cuz its 4 instead of 5 and you can make the box one whole chamber unless you plan on porting it. if you port it you can do 2 chambers or you can even seal it and have 4 equal chambers. 60" vs 63"? when you get to that much surface area and power it really wont matter
will_22_82 
Copper - Posts: 89
Copper spacespace
Joined: October 07, 2006
Location: United States
Posted: October 12, 2006 at 11:55 AM / IP Logged  
i already have the 4 12's and i'm sure no one will pay me 800.00 for them either. the mojo i ahve yet to get.

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