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Reload Thread: box progress *PICS!!!*

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    wesl56's Avatar
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    box progress *PICS!!!*

    got most of it done today... just gotta do one more of the ports and then seal it all up/cut woofer holes.. its gonna be sturdy as hell, ports are 1 7/8 x 12... 1.8 cubes per sub at 31hz


    xpanding foam filling my trunk lid:



    pieces all cut up:



    how big its gonna be in the trunk...



    cool pic with light shining thru the slot:



    working on the port:








  2. #2
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    Re: box progress *PICS!!!*

    i bet you have some port noise...whats goin in there?type arrr?



    REFS: Worlddre(bought kx200.2) mattyg2310 (made box) xluben(made box) ssj2xxgotenxx, Trell, j1b1e1,speedyg76, robertspangler (trade),Integra2468 (trade), lilmaniac2 (trade), perry22131 (trade), FurbiesAndBeans (trade)

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    Re: box progress *PICS!!!*

    Quote Originally Posted by kpozr2
    i bet you have some port noise...whats goin in there?

    u talking about the 2nd pic? cause thats now screwed together yet... i just set all the pieces up after i cut them.. i sanded all the port pieces down round




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    Re: box progress *PICS!!!*

    no im talking about your narrow ports. not even 2" wide. just a thought that most boxes for type R's ive seen have some MASSIVE ports. if thats whats going in there i assume from your avatar



    REFS: Worlddre(bought kx200.2) mattyg2310 (made box) xluben(made box) ssj2xxgotenxx, Trell, j1b1e1,speedyg76, robertspangler (trade),Integra2468 (trade), lilmaniac2 (trade), perry22131 (trade), FurbiesAndBeans (trade)

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    Re: box progress *PICS!!!*

    Quote Originally Posted by kpozr2
    no im talking about your narrow ports. not even 2" wide. just a thought that most boxes for type R's ive seen have some MASSIVE ports. if thats whats going in there i assume from your avatar
    ah really? well they've got over 25 in^2 of port area i thought that was big enough... not too late to make them wider if i need to? and yea 12" r's




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    Re: box progress *PICS!!!*

    im not sure but the 1.5" ports from my origional design for my 2 06 L7 10" caught some attention from some members on here and advised me of dreaded port noise. im just saying what they told me. maybe someone else has some input???



    REFS: Worlddre(bought kx200.2) mattyg2310 (made box) xluben(made box) ssj2xxgotenxx, Trell, j1b1e1,speedyg76, robertspangler (trade),Integra2468 (trade), lilmaniac2 (trade), perry22131 (trade), FurbiesAndBeans (trade)

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    Re: box progress *PICS!!!*

    anyone else??




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    Re: box progress *PICS!!!*

    over 25" of port per sub?




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    Re: box progress *PICS!!!*

    i just built an enclosure for two 10" type r power by 750wrms each.

    absolutely no port noise from 25hz to 120Hz at full blast.

    enclosure= 2.5cu ft after displacement.

    single port
    length = 45.00"
    with = 4.00"
    hight = 14.00"




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    Re: box progress *PICS!!!*

    well just about... the ports are like 1.875 x 12 ... about 22.5 in^2

    guess we'll see lol




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    Re: box progress *PICS!!!*

    22.5 =noise



    refs:Flakko,saywhat,mmata13(sold 1605D amp),nVRuckus(bought fuse blocks), dkguitarist(traded 2 amps),MikeyB(sold MD2),CBFryman2(sold MD2),gundecker (bought 20.1),Sakura (2 Trades),killahbean (bought DMX12),Loud3(Bought Fiberglass Kicks),tb2007(sold diamond amp),iamamp3pimp(bought box's 3 so far /sold 20.1/sold 2 L7s,ZX650.4),chillcat34433(bought 12"RF HX2), ultimate157(sold opti 2000D),bballrrt06(sold opti 2000D),GrnEydDvl(sold kx2500.1),BassAddictJ (sold kx2500.1),pwuthedon(bought Lanzar 4000D)

    lostsoul (5.25 mtx comps) Bad once I hooked them up.....................

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    Re: box progress *PICS!!!*

    ok well wtf... the owner's manual says "optimum ported volume: 1.3 net ft^3 with a 15 in^2 port (1.25x12) and 22.75 inches of port"... around 34 hz

    how come alpine reccomends only 15 in^2 of port if its in 1.3 cubes at 34hz... mine is only slightly larger and tuned 3hz lower...?? and thier "reccomended port" is only 1.25" wide


    and what's the highest port velocity in winisd you can have before there will be noise? for the box im building winisd says 3.2 ft/s...




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    Re: box progress *PICS!!!*

    thier reccomended stuff sounds great with 1 watt for testin.



    refs:Flakko,saywhat,mmata13(sold 1605D amp),nVRuckus(bought fuse blocks), dkguitarist(traded 2 amps),MikeyB(sold MD2),CBFryman2(sold MD2),gundecker (bought 20.1),Sakura (2 Trades),killahbean (bought DMX12),Loud3(Bought Fiberglass Kicks),tb2007(sold diamond amp),iamamp3pimp(bought box's 3 so far /sold 20.1/sold 2 L7s,ZX650.4),chillcat34433(bought 12"RF HX2), ultimate157(sold opti 2000D),bballrrt06(sold opti 2000D),GrnEydDvl(sold kx2500.1),BassAddictJ (sold kx2500.1),pwuthedon(bought Lanzar 4000D)

    lostsoul (5.25 mtx comps) Bad once I hooked them up.....................

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    Re: box progress *PICS!!!*

    **** thats kinda what i was going off of... thought thats why it was in the manual...

    well the only way i can make a bigger port is if i turn the divider into a brace and just make this a single chamber box... then i would have room for one 6"x12" port... then ill have 72 in^2 will that do the trick?? i will lose a good bit of volume tho




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    Re: box progress *PICS!!!*

    Quote Originally Posted by wesl56
    **** thats kinda what i was going off of... thought thats why it was in the manual...

    well the only way i can make a bigger port is if i turn the divider into a brace and just make this a single chamber box... then i would have room for one 6"x12" port... then ill have 72 in^2 will that do the trick?? i will lose a good bit of volume tho
    I would make it a single to pick up the extra .75 port area.

    14*.75=10.5sqin its better.



    refs:Flakko,saywhat,mmata13(sold 1605D amp),nVRuckus(bought fuse blocks), dkguitarist(traded 2 amps),MikeyB(sold MD2),CBFryman2(sold MD2),gundecker (bought 20.1),Sakura (2 Trades),killahbean (bought DMX12),Loud3(Bought Fiberglass Kicks),tb2007(sold diamond amp),iamamp3pimp(bought box's 3 so far /sold 20.1/sold 2 L7s,ZX650.4),chillcat34433(bought 12"RF HX2), ultimate157(sold opti 2000D),bballrrt06(sold opti 2000D),GrnEydDvl(sold kx2500.1),BassAddictJ (sold kx2500.1),pwuthedon(bought Lanzar 4000D)

    lostsoul (5.25 mtx comps) Bad once I hooked them up.....................

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