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  #1  
Old 09-01-2012, 10:42 AM
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Default DC Motor Strength vs. Cone Area + Decisions

Ok as many of you guys know I am in the middle of a build with my caprice. I have 4k of power and around 6 cubes net and I am trying to determine what to do next. I am trying to see if their is a mathmatical way to do this part of system design. Correct me if I am wrong but Motor Strength is expressed in
BL
So I am hoping by giving three scenario's you will be able to help me understand better

Set up 1:
2 XL 15" Subwoofers with a BL of 22.73 with a RMS of 2200 each

Set Up 2:
4 Level 3 12" Subwoofers with a BL of 17.2 with a RMS of 900 each

Set up 3:
4 Level 2 12" Subwoofers with a BL of 24 with a RMS of 600 each
Which one would you do and why?
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  #2  
Old 09-01-2012, 10:59 AM
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Setup 4: 6 Level 2 10s

Most cone area and distributes power more. Will give more room to upgrade power in the future.
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But thanks for chiming in. Your opinion is duly noted.

Last edited by Matt3824; 09-01-2012 at 11:10 AM.
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Old 09-01-2012, 11:02 AM
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Quote:
Originally Posted by Matt3824 View Post
Setup 4: 6 Level 2 10s

he asked which one and why. u sir failed at his question^
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Old 09-01-2012, 11:06 AM
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I would do option 2.

More cone area than 1 and if you get them with level 4 coils the power handling shouldn't be too much different.

And BL by itself isn't important.

The number you are looking for is BL^2/RE. That is motor force. Not just BL.
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4 15s + Flat Wall + 10k = Loud

#60sHereIcome
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Old 09-06-2012, 07:14 PM
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are we talking about in the trunk? If so it has been proven time and again that a pr of higher powered subs performs better than multiple subs.
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Old 09-06-2012, 10:44 PM
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Quote:
Originally Posted by thorshammer View Post
are we talking about in the trunk? If so it has been proven time and again that a pr of higher powered subs performs better than multiple subs.

Dont listen to this guy about trunks he knows nothing!





Hi Rob!
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  #7  
Old 09-07-2012, 05:47 PM
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Thanks for your help guys
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Old 09-07-2012, 06:03 PM
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Option 1 IMO.. If you only have 6 cu's, you don't want more cone area then 2 15's..
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Old 09-07-2012, 06:12 PM
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If you have a "bubble" or "box" Caprice, then none of the above options would get you louder daily than a pair of XL 12s in a 4th order, ported through the rear deck. It would also keep you close to your target cuft goal, as well as power avaliable.

I've had a 94 Caprice, 88 Caprice, and currently have an 85 Fleetwood (same thing as the 88 Caprice), and all were louder with less subs in a 4th order vs any number of subs in the trunk. I can't comment as far as metering goes though, since thats not my thing
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  #10  
Old 09-07-2012, 06:24 PM
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2 15s with 3 6" aeros?
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