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Reload Thread: A coupole of Box Designs

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    NightHawkFG's Avatar
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    A coupole of Box Designs

    A:


    B:


    Enclosure A. is the one I want to build, but i cant do that until i do aomething about the trunk lid tension bars.

    Enclosure B. is just a back upin case A. falls through.







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    Wowimzz's Avatar
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    Re: A coupole of Box Designs

    no pic for b...nvm, its up now. what is the square outside the box in pic A for?




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    Re: A coupole of Box Designs

    Quote Originally Posted by Wowimzz View Post
    no pic for b...nvm, its up now. what is the square outside the box in pic A for?
    the vent runs through the rear deck




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    Trixter's Avatar
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    Re: A coupole of Box Designs

    the only thing with box B, you may have taken it into consideration but i don't see the pic showing it, is that the port that runs along the back of the box will need to be 1/2 the width of the port exiting the box to to maintain proper port ratio. (like 2single lane roads merging into a doulbe lane road.)



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    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: A coupole of Box Designs

    second one looks better but if A is effective id have to see it in action



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    Re: A coupole of Box Designs

    both look like they need more port area, and what subs only need that much volume?




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    Re: A coupole of Box Designs

    Quote Originally Posted by 90accordman View Post
    second one looks better but if A is effective id have to see it in action
    the B box is vented through the rear deck @ the rear window. so in theory the reflection should make it sound good. like when you have the subs facing up at the rear glass of a hatch.




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    saywhat?'s Avatar
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    Re: A coupole of Box Designs

    number two wont work. you need a divider in the middle. That port seperates the two sides, atleast how ive always been taught. You need a divider, and then design the two sides seperate.




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    Re: A coupole of Box Designs

    Quote Originally Posted by 90accordman View Post
    second one looks better but if A is effective id have to see it in action
    type-r 12's require 1.3 each




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    Re: A coupole of Box Designs

    Quote Originally Posted by NightHawkFG View Post
    type-r 12's require 1.3 each
    i didnt say anything about how much each sub needed



    http://www.caraudio.com/forums/buyer-seller-feedback/278847-90accordman-feedback.html

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    Re: A coupole of Box Designs

    sorry hit the wrong qoute




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    Re: A coupole of Box Designs

    what car is this in?

    in most turnks, i think you'll find that it's the loudest firing towards the taillights.

    also, recommended for type r's may be 1.3 ft^3, but all the designs i've seen that get loud are 2+ per sub after displacement.

    i'd suggest a bigger box, more port area, and a slot port on the side of the box with subs and port facing the taillights.




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    Re: A coupole of Box Designs

    2006 civic




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    Re: A coupole of Box Designs

    can you spare an extra 8" of depth and do it right?

    http://www.subwoofertools.com/forum/...&Vas=&Fs=&CE=0




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    Re: A coupole of Box Designs

    Quote Originally Posted by xluben View Post
    can you spare an extra 8" of depth and do it right?

    http://www.subwoofertools.com/forum/...&Vas=&Fs=&CE=0
    the speaker displement is .071 and xmax is 18.2mm




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