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    sub switch-box adjustment

    YO, I have a sealed dual box that i had 2 type r's in and the cu ft measurement was 2cu ft for both, one cu ft per sub. one blew so im switching to jl w3v2's, which call for .6-.8 cu ft per sub. So will this be a big woop or should i try to make the box smaler by say, adding an extra layer of mdf to the back of it cutting out some of the smace? Any suggestions would be cool thanks.







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    Re: sub switch-box adjustment

    i'd just put them in and see how you like it first.




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    Re: sub switch-box adjustment

    you'd be fine using that one.



    2006 Jeep Liberty
    Adire Audio, Cadence, Clarion, MB Quart

    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: sub switch-box adjustment

    Alright, i just heard if the box is too big you lose some efficiantsy and or sq, or that you could do some damage some how like it makes the sub excurt too much.?
    thanks though.




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    Re: sub switch-box adjustment

    Quote Originally Posted by ddrive101 View Post
    Alright, i just heard if the box is too big you lose some efficiantsy and or sq, or that you could do some damage some how like it makes the sub excurt too much.?
    thanks though.

    the larger the box, the more efficient it make the speaker....meaning it takes less power to move....which, if too big, can cause over excursion. in your case the difference so minimal it won't matter. i usually build boxes a tad larger anyways.



    2006 Jeep Liberty
    Adire Audio, Cadence, Clarion, MB Quart

    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: sub switch-box adjustment

    Ok, they sound bad. My one type r sounded better than both these. Thier loose sounding, like just a bunch of vibrations with half the punchyness and response as the Rs. plus i cant turn them up as loud or they look over excuted. Whats goin on here? They look to move in instead of out ...




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    Re: sub switch-box adjustment

    Quote Originally Posted by ddrive101 View Post
    They look to move in instead of out ...

    then you have the + / - switched. a good way to test it to touch a 9v battery to the sub's terminals. (make sure + is to + and - is to -) if the sub moves out, you good. if the sub moves in, then switch you amp wires around....assuming that would be easier than poping out the subs and switching it there.



    2006 Jeep Liberty
    Adire Audio, Cadence, Clarion, MB Quart

    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: sub switch-box adjustment

    Ok thats what i thought initially, so i took the subs out and switched the wiring, im sure thier right but i could be wrong. Thier dual 2 ohms, and i have em in series/parallel. ill try to just switch the amps wireing.




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    Re: sub switch-box adjustment

    Quote Originally Posted by ddrive101 View Post
    Ok thats what i thought initially, so i took the subs out and switched the wiring, im sure thier right but i could be wrong. Thier dual 2 ohms, and i have em in series/parallel. ill try to just switch the amps wireing.
    Seeing as they are DVC, I'd recommend taking the subs out and double check the wiring inside. You don't want one coil pushing while the other's pulling, etc.

    so that means you should have them wired like this:




    2003 Volkswagen Jetta GLI VR6
    Source: Pioneer 880 PRS *Active
    Tweeters: Soon to be Hat Imagine
    Midrange: Soon to be Hat Imagine
    Sub: 15" SSA Icon
    Box: 2.5^3 Sealed
    Amp: Soundstream Tarantula 2kW

    Feedback: http://www.caraudio.com/forum/showthread.php?t=278169

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    Re: sub switch-box adjustment

    Those subs are light yrs ahead of type rs...........

    And they like bigger boxs like 1.25-1.5 per sub sealed.
    Ported they will Just blow your mind.......you dont know how much your losin in that small of a box.......You could have one in the right box and sound way 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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    Re: sub switch-box adjustment

    Well ive reconnected the wires a few times now, and they still move in. I hooked my previous subs up and they were the same voic coil design so i know how to wire them... They bottom out if turned up to any moderately loud volume and sound as if they were blowing.

    Any other ideas guys? Could they be bad speakers? i got them used from a friend but they appear to be in great shape and thier only about year old.
    Thanks




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    Re: sub switch-box adjustment

    if they move in the + and - are backwards, somewhere...no way around it. even if, they would only loose some bass...not sound completely like ***. other than that they may be shot...don't know. if they soubd that bad in a 2cu' box it's not going to be like 100000 x better in a 3cu' box...some but not that much.

    did you try my battery test? do it on each vc...maby one is shot and the other is good or something...never know til you try.



    2006 Jeep Liberty
    Adire Audio, Cadence, Clarion, MB Quart

    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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    Re: sub switch-box adjustment

    Thier blown!
    ****.
    Thanks for the info though.
    Anyone got a couple good subs for sale? 300w rms




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    Re: sub switch-box adjustment

    Quote Originally Posted by ddrive101 View Post
    Thier blown!
    that would do it...sorry to hear it.



    2006 Jeep Liberty
    Adire Audio, Cadence, Clarion, MB Quart

    Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
    *Vb = vol. in cu"
    **R = sq.rt. A / Pi (for square/slot port)

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