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Reload Thread: Need help with box real quick. Got T/S specs and $$

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    528hz's Avatar
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    Need help with box real quick. Got T/S specs and $$

    Ok...I need to get this figured out before tomorrow so I can build it, and I'll PP $5.30 if someone will help me with this.

    I've tried to use winISD, but I can't input all the numbers because I don't know all the data yet (port displacement, and a few missing T/S numbers).

    This is the deal:

    I'm going to be running 2 of PSI's new 12s" in a 4-4.5 ft^3 box using one 6" aero port tunned to 30 hz (so I assume). I've got the T/S specs, but some of them are missing that winISD is asking for so....

    I just need someone to plug these T/S specs in (if applicable) and tell me what would be the optimal size box and tuning for these subs.

    Can anyone give me a quick hand? Here are the T/S specs:


    Revc = 3.4974 ohms
    Fms = 29.3385 Hz
    Zmax = 38.5164 ohms
    Qes = 0.5298
    Qms = 5.3046
    Qts = 0.4817
    Le = 3.7342 mH (at 1 kHz)
    Diam = 254.0000 mm ( 10.0000 in )
    Sd =50670.7504 mm^2( 78.5398 in^2)
    Vas = 54.1766 L ( 1.9132 ft^3)
    BL = 15.5274 N/A
    Mms = 198.1218 g
    Cms = 148.5362 uM/N
    Kms = 6732.3677 N/M
    Rms = 6.8849 R mechanical
    Efficiency = 0.2427 %
    Sensitivity= 85.8678 dB @1W/1m
    Sensitivity= 89.4613 dB @2.83Vrms/1m


    The displacement of the 12" would be .17cuft








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    Re: Need help with box real quick. Got T/S specs and $$

    anyone here?




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    Re: Need help with box real quick. Got T/S specs and $$

    ill see if a guy i know will do it.



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    Re: Need help with box real quick. Got T/S specs and $$

    Thanks for the look out, buddy!




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    Re: Need help with box real quick. Got T/S specs and $$

    4 cubes w/ 1x6 inch port at 16.75 inches long = 30 hz good luck shared space no divider.



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    Re: Need help with box real quick. Got T/S specs and $$

    Quote Originally Posted by SicAudio View Post
    4 cubes w/ 1x6 inch port at 16.75 inches long = 30 hz good luck shared space no divider.
    So are you saying "no divider"? This will be one chamber, yes.

    But...my main concern is differences in tuning from 30-32 hz, and if that 4 cubes should be after or before sub & port displacement? That's why I would like someone to run the graph.
    Last edited by 528hz; 07-11-2009 at 04:42 PM.




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    Re: Need help with box real quick. Got T/S specs and $$

    you have pm



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