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Reload Thread: Ported Box For An 18" Fi Btl

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    lambofgood91's Avatar
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    Ported Box For An 18" Fi Btl

    Would it be possible to put an FI BTL in a ported box with the max dimensions of 40"wide 25"deep and 16" high. I want to mount the woofer like this

    http://i4.photobucket.com/albums/y13...g/IMG_0056.jpg

    because my box can only be a maximum of 16" high. Does anyone think it's possible?!?! And if you do can you send me a rough sketch of the box design!! Thx : )







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    Mr Cabinetry's Avatar
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    Re: Ported Box For An 18" Fi Btl

    Quote Originally Posted by lambofgood91 View Post
    Would it be possible to put an FI BTL in a ported box with the max dimensions of 40"wide 25"deep and 16" high. I want to mount the woofer like this

    http://i4.photobucket.com/albums/y13...g/IMG_0056.jpg

    because my box can only be a maximum of 16" high. Does anyone think it's possible?!?! And if you do can you send me a rough sketch of the box design!! Thx : )
    Well, Fi states a recommended enclosure of 5 cf net and you got 7.60 cf to work with, so you can do it, all you need to tell me is port tuning, how many watts for the subwoofer, how much port area for the port and if you got them, the spec sheet with all the t/s parameters.

    Fi audio has no t/s spec's for your sub on their website.




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    Joseph M's Avatar
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    Re: Ported Box For An 18" Fi Btl

    i have one for you in my sig, although it might be a little high.

    Its 19'' but if you play with the RE calc u can get what u want.




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    Re: Ported Box For An 18" Fi Btl

    Heres the specs for the BTL 18

    Fs: 00.0 Hz | 00.0 Hz
    Re: 0.7 Ohms/coil | 1.5 Ohms/coil
    Qms: 0.00 | 0.00
    Qes: .00 | .00
    Qts: .00 | .00
    Mms: 000g | 000g
    Cms: 0.00mm/N | 0.00mm/N
    Sd: 1210cm^2 | 1210cm^2
    Vas: 00.0 l | 00.0 l
    Spl: 00.0dB 1W/1m | 00.0dB 1W/1m
    Bl: 00.0 N/A | 00.0 N/A
    Xmax: 16mm * | 16mm *
    Rms: 2000W * | 2000W *
    Sealed box: N/A cuft | N/A cuft
    Ported box: 5-10cuft | 5-10cuft
    Sub OD: 18.500 | 18.500
    Cut ID: 16.750 | 16.750
    Mounting depth: 9.750 * | 9.750 *
    Displacement: 0.26cuft * | 0.26cuft *

    I would like the box to be tuned to 38 hz. Do you think thats a good tuning??
    Im going to be powering the woofer with approximately 2200-2500 watts rms




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    psych0ticnemes1's Avatar
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    Re: Ported Box For An 18" Fi Btl

    You have a PM.



    References:

    Ali1, michaellane, cadillac114, chasinSKURT, DaRevrin, rhuff80, sam yung, The215, tukn18s, Xenophontos,nuboot,jfitz97,LuckyDerDer 2x

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    Mr Cabinetry's Avatar
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    Re: Ported Box For An 18" Fi Btl

    Quote Originally Posted by lambofgood91 View Post
    Heres the specs for the BTL 18

    Fs: 00.0 Hz | 00.0 Hz
    Re: 0.7 Ohms/coil | 1.5 Ohms/coil
    Qms: 0.00 | 0.00
    Qes: .00 | .00
    Qts: .00 | .00
    Mms: 000g | 000g
    Cms: 0.00mm/N | 0.00mm/N
    Sd: 1210cm^2 | 1210cm^2
    Vas: 00.0 l | 00.0 l
    Spl: 00.0dB 1W/1m | 00.0dB 1W/1m
    Bl: 00.0 N/A | 00.0 N/A
    Xmax: 16mm * | 16mm *
    Rms: 2000W * | 2000W *
    Sealed box: N/A cuft | N/A cuft
    Ported box: 5-10cuft | 5-10cuft
    Sub OD: 18.500 | 18.500
    Cut ID: 16.750 | 16.750
    Mounting depth: 9.750 * | 9.750 *
    Displacement: 0.26cuft * | 0.26cuft *

    I would like the box to be tuned to 38 hz. Do you think thats a good tuning??
    Im going to be powering the woofer with approximately 2200-2500 watts rms
    LOL, OK, am i supposed to fill in all the blanks for the t/s parameters.

    Besides, psych0ticnemes1 probably has it all covered for ya.




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    lambofgood91's Avatar
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    Re: Ported Box For An 18" Fi Btl

    haha idk?? Thats how it was on FI's website....................




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    Re: Ported Box For An 18" Fi Btl

    yeah they dnt give it...lol



    If you ever dealt with me in the past...please post how our transation went here...-->http://www.caraudio.com/forum/showthread.php?p=5274098<--...i greatly appreciate your support

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    Re: Ported Box For An 18" Fi Btl

    Fs: 32.1 Hz
    Re: 1.5 Ohms/coil
    Qms: 6.2
    Qes: .52
    Qts: .48
    Mms: 307 g
    Cms:.08 mm/N
    Sd: 1210 cm^2
    Vas: 164.2 l
    Spl: 92.1 dB 1W/1m
    Bl: 13.45

    Try this. I think it looks right.




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