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Reload Thread: 146 db from a bmw 3 series trunk!!!

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    146 db from a bmw 3 series trunk!!!

    This is my demo car....It used to have 1 Havoc 12" sub facing the rear...I am trying something new... I am working on custom hinge system to motorize rear seat...This sub and amp combo is temporary...I have another 12" Havoc in route for a combination of two and a DC Audio 3.5k (5k later).........The current setup done a 146.3 @ 53hz with an AB VFL 120.1 clamped at 1332 watts at 2.2 ohms.....I do have an XS Power D3100 wired in parallel with my stock battery in trunk.. I have a stock alternator for now (mechman in works)..


    Attachment 26532115Attachment 26532114Attachment 26532116
    Last edited by double 07; 04-21-2012 at 03:18 AM.







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    Re: 146 db from a bmw 3 series trunk!!!

    Very respectable for a single 12" havoc even though you are tuned in the 50's. How does it sound on music?




    The Carlton: Entertaining yo momma since 1990

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    Re: 146 db from a bmw 3 series trunk!!!

    The box is tuned to 39........It peaked at 53......The two 12" XDs done the 146.....Unfortunately I never metered the single Havoc but it wasn't nowhere near this loud...It actually sounds pretty good on music.......It done a 144.3 on Chris Brown's "Look at Me Now"




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    Re: 146 db from a bmw 3 series trunk!!!

    not bad, more powah haha. i haven't metered my ns, but my last setup was a pair of sa-15's on a discus 1500 that did a 49.5 like at 56hz



    bought from ridinhi,vitveet,dbr,sicaudio and 99grandprixgt, and more ........... sold to player3,foomasta69, pitbull, brodiesel and dragnix 12887 traded with louisiana crx

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    Re: 146 db from a bmw 3 series trunk!!!

    nice score. hell i wish i could do 46. i dont understand what im doing wrong but i guess ill eventually figured it out



    MY RIDE- 2001 HYUNDAI SANTA FE (BEST SCORE 147+DB 30-SEC MUSIC-BB2400 & 1 HDC3-18 W/STOCK ELECTRIC)
    2 SOUNDQUBED SDC2.5-15'S ~ 8.2 CUBES NET ~ 12" AERO @ 40-ISH HZ ~ SHARK 2500 @ 1OHM(2 LATER)
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    Re: 146 db from a bmw 3 series trunk!!!

    Quote Originally Posted by bgowdy31 View Post
    nice score. hell i wish i could do 46. i dont understand what im doing wrong but i guess ill eventually figured it out
    Drive it down here to TN and we will figure it out!!!!!!!! lol




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    Re: 146 db from a bmw 3 series trunk!!!

    Quote Originally Posted by double 07 View Post
    Drive it down here to TN and we will figure it out!!!!!!!! lol
    gas to high... i drive a blazer lmao



    MY RIDE- 2001 HYUNDAI SANTA FE (BEST SCORE 147+DB 30-SEC MUSIC-BB2400 & 1 HDC3-18 W/STOCK ELECTRIC)
    2 SOUNDQUBED SDC2.5-15'S ~ 8.2 CUBES NET ~ 12" AERO @ 40-ISH HZ ~ SHARK 2500 @ 1OHM(2 LATER)
    STOCK ALT ~ 1 STOCK DEKA & 2 AGM'S ~ BULLZ AUDIO 1/0


    ~2010 FCBC 450SD 3RD OVERALL~
    ~2011 FCBC 450SD CHAMPION~
    ~YOUTUBE->bgowdy31 & bgowdy3131~

    R.I.P. TO MY WIFEYS 03 FOCUS SE TRUNK SYSTEM ~ 143+DB 30 SEC MUSIC AVG

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    Re: 146 db from a bmw 3 series trunk!!!

    Quote Originally Posted by double 07 View Post
    Drive it down here to TN and we will figure it out!!!!!!!! lol
    Reppin' TN yo!



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    Re: 146 db from a bmw 3 series trunk!!!

    Very good score for some < $100 subs imo

    Whats the volume and tune on the box and what were they wired to before rise?



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    Re: 146 db from a bmw 3 series trunk!!!

    Very impressive score indeed, especially coming from a trunk




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    Re: 146 db from a bmw 3 series trunk!!!

    Quote Originally Posted by kushy_dreams View Post
    Very good score for some < $100 subs imo

    Whats the volume and tune on the box and what were they wired to before rise?
    The box is 3.5 cubes net after all displacements tuned to 39 hz with 20 inches of port per cube.........They are wired down to 1 ohm before rise........




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    Re: 146 db from a bmw 3 series trunk!!!

    What kind of car was it in?

    Does a smaller box yield less imp rise? Or are there too many other factors? Most setups I have seen are getting close to 3x the rise of the nominal impedance.



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    Re: 146 db from a bmw 3 series trunk!!!

    dbl poast



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    Re: 146 db from a bmw 3 series trunk!!!

    a smaller box will most of the time cause a higher impedance rise



    Looking for copper, aluminium or brass let me know i can get it

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    Re: 146 db from a bmw 3 series trunk!!!

    double post



    Looking for copper, aluminium or brass let me know i can get it

    member of Team 808
    need TL metering in rochester, buffalo area pm me
    sold to,,TnT_sounds,soloxGT,WOT,Groundpound4200
    bought from,,peas247,astrolade,

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