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Reload Thread: Going for Fi, BL or Q help me decide

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    JuniorSPL's Avatar
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    Going for Fi, BL or Q help me decide

    title says it all - i was going to go for the almighty beast btl but came to the conclussion that my jeeps electrical status just cant give it what it needs power wise so i have decided to stick with fi but downgrade to a less power hungry sub. here are the specs and give me your opinion on what you would get, im looking for overall good sq but still get that hard thump when i want it.
    BL18

    DUAL 1 | DUAL 2

    Fs: 33.2 Hz | 33.2 Hz
    Re: 0.7 Ohms/coil | 1.4 Ohms/coil
    Qms: 5.82 | 5.82
    Qes: .32 | .32
    Qts: .30 | .30
    Mms: 302g | 302g
    Cms: 0.88mm/N | 0.88mm/N
    Sd: 1210cm^2 | 1210cm^2
    Vas: 181.0 l | 181.0 l
    Spl: 94.1dB 1W/1m | 94.1dB 1W/1m
    Bl: 16.6 N/A | 22.7 N/A
    Xmax: 18mm | 18mm
    Rms: 1000W * | 1000W *
    Sealed box: N/A cuft | N/A cuft
    Ported box: 5-8cuft | 5-8cuft
    Sub OD: 18.500 | 18.500
    Cut ID: 16.750 | 16.750
    Mounting depth: 9.750 * | 9.750 *
    Displacement: 0.26cuft * | 0.26cuft *

    Q18

    DUAL 1 | DUAL 2

    Fs: 32.4 Hz | 32.1 Hz
    Re: 0.7 Ohms/coil | 1.4 Ohms/coil
    Qms: 9.31 | 9.37
    Qes: .48 | .48
    Qts: .46 | .46
    Mms: 341g | 347g
    Cms: 0.73mm/N | 0.73mm/N
    Sd: 1210cm^2 | 1210cm^2
    Vas: 149.7 l | 149.7 l
    Spl: 92.0dB 1W/1m | 91.9dB 1W/1m
    Bl: 13.9 N/A | 19.65 N/A
    Xmax: 28mm
    Rms: 1000W
    Sealed box: 4-8 cuft
    Ported box: 6-10 cuft @ 28Hz
    Sub OD: 18.500
    Cut ID: 16.750
    Mounting depth: 10.000
    Displacement: 0.24cuft

    if anyone has ideas about amps to run with these please feel free to share, lookin to spend about 250-300 on the amp

    thanks guys







  2. #2
    Boomsday's Avatar
    Boomsday is online now CarAudio.com Veteran



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    Re: Going for Fi, BL or Q help me decide

    q, bl doesnt get as low, and you can not tell the difference in spl in a daily setup, I made the mistake of swapping my q's for bl's and went back




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    JuniorSPL's Avatar
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    Re: Going for Fi, BL or Q help me decide

    thanks - what are your boxes dimensions




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