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  1. 01-02-2010 #1
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    Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    I am about to design a box 2 15'' RE HCs and would like to get to 8 cubes, 30hz, after displacements using two full length 6'' PSP AeroPorts but I am having trouble calculating displacement.

    Anyone ever run a calc for this or have any guidance?

    Help will be very much appreciated.

    Thanks,

    Kevin



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  3. 01-02-2010 #2
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?




    Quote Originally Posted by audioholic View Post
    Saying "clipping doesn't kill speakers" is a half-truth at best. Technically no, clipping itself does not hurt the speaker. But in clipping your amp, you can easily create a situation that WILL kill the speaker. Was the squared waveform the DIRECT cause of the failure? No. In the end, the answer is, always has been, and can only be... heat kills speakers. BUT, clipping increases heat generation, sometimes by a drastic amount. So to start a thread simply to state that clipping does not hurt speakers is, again, a half-truth at best.
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  4. 01-02-2010 #3
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Cianzo on the ball as always

    http://www.psp-inc.com/tools.html



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  5. 01-02-2010 #4
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    I believe he's asking for the volume of displace of the actual port.

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  6. 01-02-2010 #5
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    r2 x pi x length / 1728 = cf



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  7. 01-02-2010 #6
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Quote Originally Posted by SicAudio View Post
    r2 x pi x length / 1728 = cf
    this



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  8. 01-02-2010 #7
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Quote Originally Posted by SicAudio View Post
    r2 x pi x length / 1728 = cf
    That isn't exact displacement. You have to take the integral of the curve and rotate it around the z axis to get the precise displacement.

    I have the exact number but I misplace it somewhere. It's been 3 years since I've designed something with it.

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  9. 01-02-2010 #8
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    the extreme minor .000004579 cf dif will not make a bit of difference tho lolz



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  10. 01-02-2010 #9
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Yea, the displacement of the aero as if it were a normal, round port would be close enough because it'd be such a small amount off on airspace if you really wanted to factor in the flared portion



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  11. 01-02-2010 #10
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Ok. Thanks everyone. Makes sense now.



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  12. 01-02-2010 #11
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    .35 is what partsexpress told me



    http://www.caraudio.com/forums/buyer-seller-feedback/414807-michaellane-feedback-if-i-bought-you-traded-i-sold-you-something.html
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  13. 01-02-2010 #12
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    About .3 cubes



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  14. 01-02-2010 #13
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Quote Originally Posted by Buck View Post
    About .3 cubes
    smart man



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  15. 01-02-2010 #14
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    Quote Originally Posted by michaellane View Post
    smart man
    You gotta know how to do this if you design boxes.



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  16. 01-02-2010 #15
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    Re: Anyone ever calculate the exact displacement of a full length 6'' PSP AeroPort?

    pi*r*r*length*number of aeros/1728



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