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Old 05-19-2015, 08:19 AM
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Default 4th Order Blow Through

Guys I'm looking for some opinions on a 4th order blow through. I will be using Incriminator Audio Lethal Injections. I have around 31 cubes net to work with. I was thinking about 4 15s or 6 12s.

What would be the best option, best ratio etc. This is a spl comp truck and will see some demos. The truck peaks anywhere from 26-31 at the headrest. Power is around 5k right now and will be 10k later.
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Old 05-19-2015, 09:15 AM
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take total available cubes divide by 3. that will give you a 2:1 ratio breakdown. now, find a combination of subs that is optimized for the available sealed volume available. its a starting point. fine tune from there.

31/3=10.3cubes in the sealed section 10 12's would work, 5 15's, 3 18's, etc...
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Old 05-19-2015, 10:15 AM
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Quote:
Originally Posted by stssilverado View Post
take total available cubes divide by 3. that will give you a 2:1 ratio breakdown. now, find a combination of subs that is optimized for the available sealed volume available. its a starting point. fine tune from there.

31/3=10.3cubes in the sealed section 10 12's would work, 5 15's, 3 18's, etc...
Thanks, now the 31 net would be before sub and baffle displacement inside. I know did have a blowthrough, not sure if you still do. How well did it perform? Also where did you get your design from?
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2004 Dodge Ram Single Cab 1500
3 Incriminator Audio Judge 15s
3.25:1 Ratio 4th Order Blowthrough
1 x AA 9.0 TFHE, 2 x AA 150.4
4 X Crossfire XS-M8's, 2 x PRV Tweets
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Old 05-19-2015, 11:02 AM
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had several in my truck. never one as big as you are planning. all played very well. if you get too large of a ratio, you limit your bandwidth. i designed all of them. send me your max dimensions and i can sketch up something.
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Old 05-19-2015, 12:01 PM
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Quote:
Originally Posted by stssilverado View Post
had several in my truck. never one as big as you are planning. all played very well. if you get too large of a ratio, you limit your bandwidth. i designed all of them. send me your max dimensions and i can sketch up something.
Pm sent.
__________________
(2015 MECA Street 3 World Champion)
2004 Dodge Ram Single Cab 1500
3 Incriminator Audio Judge 15s
3.25:1 Ratio 4th Order Blowthrough
1 x AA 9.0 TFHE, 2 x AA 150.4
4 X Crossfire XS-M8's, 2 x PRV Tweets
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