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    TaylorFade's Avatar
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    Subs 101

    I know this may be a stupid question, but can someone explain to me why having (2) 10's, which is 20" of total cone area (roughly) does not equal (1) 18"? Assuming similar x-max's and total power handling. Or (2) 8's not being equal to (1) 15", etc.



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    Re: Subs 101

    Quote Originally Posted by TaylorFade View Post
    I know this may be a stupid question, but can someone explain to me why having (2) 10's, which is 20" of total cone area (roughly) does not equal (1) 18"? Assuming similar x-max's and total power handling. Or (2) 8's not being equal to (1) 15", etc.
    because 2 tens are not 20 inches of area. Pi(r)^2 gives you the area of a circle.




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    Re: Subs 101

    area of a circle

    /thread



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    Re: Subs 101

    doh



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    Re: Subs 101

    lol thread of the day



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    Re: Subs 101

    holy ****. elementary school anyone?



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    Re: Subs 101

    Yikes. Brain fart. That really was a stupid question. You guys just rocked my world.



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    Re: Subs 101

    Quote Originally Posted by TaylorFade View Post
    Yikes. Brain fart. That really was a stupid question. You guys just rocked my world.
    TaylorFail




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    Re: Subs 101

    one eight = 50.24
    one ten = 78.5
    one twelve = 113.04
    one fifteen = 176.625
    one eighteen = 254.34



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    Re: Subs 101

    Ok, So an 18" has just more than the total cone area of (3) 10's. So why can't anyone approach the world record with (3) 10's? I guess that's my actual question.

    Wasn't the WR just set with (1) 18"?



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    Re: Subs 101

    I say go for it man, seriously!



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    Re: Subs 101

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    Re: Subs 101

    Quote Originally Posted by TaylorFade View Post
    Ok, So an 18" has just more than the total cone area of (3) 10's. So why can't anyone approach the world record with (3) 10's? I guess that's my actual question.

    Wasn't the WR just set with (1) 18"?
    Because cone displacement is not the only factor when setting SPL world records. The one you're talking about was 1 DD 99Z 18". It's no ordinary sub. It uses a neodymium motor, and it can take an incredible amount of power especially on burps. I believe it was done using a small hatchback covered in concrete so there was very little vibration causing cancellation. The box was designed specifically to peak at the vehicle's resonant frequency as well as keep impedance rise low. A large number of huge amps were put on this single sub. I don't know how you would achieve these same goals with 3 10's. Hell I don't know how this guy did it with 1 18" but rest assured there were MANY more factors at play than simply cone area.




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    Re: Subs 101

    What's more embarrassing is that I've been wondering that stupid **** since they were using "Flashdance" for SPL at "Crank it up" contests and kicker had the world record @ 161 with (12)-18's in an Astrovan.

    I'm an idiot.



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    Re: Subs 101

    Quote Originally Posted by TaylorFade View Post
    What's more embarrassing is that I've been wondering that stupid **** since they were using "Flashdance" for SPL at "Crank it up" contests and kicker had the world record @ 161 with (12)-18's in an Astrovan.

    I'm an idiot.
    No you're not. What makes someone an idiot is attacking people when they try to help them. You're FAR from an idiot. Literally nobody here knows how to make any vehicle achieve a spl of 180... nobody.




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