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    Infinity Kappa 12.1

    Hey, I'm new here and need some help on ideas. I have an 1997 S-cab F150. Right now I've got an Infinity Kappa 12.1 in a ported box I bought from Best Buy in my back seat hooked up to a Profile AP1000M amp. It's nice and loud but doesn't sound good and I want to build a new box to get better quality. I am debating on whether or not buying another sub and running two twelves in a non ported box or what. Any help would be much appreciated.







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    Re: Infinity Kappa 12.1

    If SQ is what your looking for, go with a 1.0cuft. sealed, with 1" of poly on on all sides for the one 12".



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    Re: Infinity Kappa 12.1

    New box!!! thats the whole problem, it's a POS box you got a Best Buy.. sorry, but it's the truth.




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    Re: Infinity Kappa 12.1

    Thanks, I figured that's what it was, but I was young and stupid when i bought it, and I was too impatient to build one so I just bought it.




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    Re: Infinity Kappa 12.1

    Quote Originally Posted by Mountainman11 View Post
    Thanks, I figured that's what it was, but I was young and stupid when i bought it, and I was too impatient to build one so I just bought it.
    Well hopefully it wasn't to much money...

    But I mean that sub should sound just fine in a good ported box, or sealed box.




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    Re: Infinity Kappa 12.1

    it wasn't cheap, made me mad.
    on some notes it sounds kind of funny, that's why I wanted to do a sealed box, and maybe another sub.




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    Re: Infinity Kappa 12.1

    I have had the same sub running off of a AP600 bridged at 310w RMS. It has sounded great and lasted a long time. I just recently got a AP1000 to bridge and run a few more watts to it. I have it in about a 1.0 cubic foot sealed box. You shouldn't regret just buying a new box.




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    Re: Infinity Kappa 12.1

    It must be the box because I had 4 of them I they had great SQ. Like D Rock said try for 1.0 CF box and preferably sealed see if that works.



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    Quote Originally Posted by 350zspl View Post
    i got the large on front
    the small in rear

    they work for me

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    Re: Infinity Kappa 12.1

    1.0 CF per sub or different if I get a second?
    Last edited by Mountainman11; 05-02-2008 at 09:33 PM.




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    Re: Infinity Kappa 12.1

    Would 15x15x9 work for us? I'm guessing I should use 1/2" MDF for my box. I've never built a box, is that what I should use to make it? Any other things I should do?




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    Re: Infinity Kappa 12.1

    YOu are running enough power to this thing that 3/4" MDF would be great. I usually use 5/8", but I don't run much for power. And you are going to want 1cu.ft per speaker, so 2cu.ft in total, if you buy a second speaker.

    Murray




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    Re: Infinity Kappa 12.1

    I don't have money for a second sub yet because I'll get a bigger amp if I do. It will be a couple months before then so I figured I'd build a new box for now and then build a new one if I get another amp. Anything besides MDF and the connectors that I need?




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    Re: Infinity Kappa 12.1

    Wood glue, scews, silicone, tools




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    Re: Infinity Kappa 12.1

    ok, what is "poly" that keith h was talking about?
    I redid the math and 15.5*17*10.5 sound right
    Last edited by Mountainman11; 05-16-2008 at 08:40 PM.




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    Re: Infinity Kappa 12.1

    Do I need to have 1 cu ft of total space or do I need more to make up for the space the magnet and everything takes up?





    1997 F-150 SCab
    Infinity Kappa 12.1 Ported
    Profile California AP1000M Mono Amp
    4x100 amp
    4 6x8 Infinity Kappa 682.9cf
    Alpine CDA-9857

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