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Reload Thread: Would this be a correct box for my 2 12" Type R's?

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    318iSPOLKMoMo's Avatar
    318iSPOLKMoMo is offline Senior VIP Member



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    Would this be a correct box for my 2 12" Type R's?

    I want (SQ)70/30(SPL)

    Either this one:
    http://cgi.ebay.com/ws/eBayISAPI.dll...category=14945

    or:

    http://cgi.ebay.com/ws/eBayISAPI.dll...category=14945

    PS: Im using a JBL BP1200.1



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    So I assume you're going to be running the 1200.1 @ 4 ohms?

    I'd go with the first one...



    "The world is full of people who want nothing short of perfect,
    but settle for less, blinded by their quest for purpose."
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    318iSPOLKMoMo's Avatar
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    2ohms for both



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    I would drop them in a ported box if i where you. I have 4 in a ported box im civic check ,y site out http://www.sounddomain.com/id/squosh




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    Doog you've got a nice setup dude.



    Go with the first box, alpine recommends a 0.7-1.0 ft^3 box.. the second one will have a little bit too much space.




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    Thanks man, i like it. I have a .87 cubic feet per chamber box for 2 12's i will sell it for $40 shipped. I have a pic if interested. I also make boxes if you want to put them in a ported box




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    nswartley's Avatar
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    Originally posted by Jmac
    Pfft, recommended size ...
    heh, we dont have any rebels around anymore that like to go outside the 'recommended size' anymore

    and btw, when you are going with sealed, having it 'too big' couldnt hurt it that bad at all.......

    -nate




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    Originally posted by Jmac
    Well, it could ... It does reduce power handling. But it sounds a lot better when you use a 1.3-1.8 ft^2/sub sealed box with the Type-Rs ...

    By the by, companys usually recommend boxes that peak (****ing peaks) in the 40-60 Hz range. I'd much rather take a nice, flat response curve that has more low-end and a better transient response than peaky recommended crap ...
    yea that peak response BS is why companies build bandpasses.....bleh.

    -nate




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    Hey WeDoog, I'm interested in getting a ported box for my 2 12" RE SE's. Resonant Engineering recommends 2 Cubic feet each sub tuned to 35 hertz. Would you think about making me a box?



    98 Grand Cherokee Limited 5.2L

    H/U: Alpine
    Speakers: Polk 6.5" GXR
    Amp: Hifonics BX1500D
    Subs: 2 12" RE SE's
    Box: Custom 3.3 Cubic foot ported
    Box tuned to 35 Hz
    In The Making: 5.1 cubic foot Box
    Ported to 28 Hz with
    Pluged Port (35 Hz)
    _____________________________

  10. #10
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    Originally posted by Miller
    Hey WeDoog, I'm interested in getting a ported box for my 2 12" RE SE's. Resonant Engineering recommends 2 Cubic feet each sub tuned to 35 hertz. Would you think about making me a box?
    i have a box that wouls fir those specs but is tuned to about 33hz. This kid wants to but it but if he doesnt i will sell it to you if you want.




  11. #11
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    Originally posted by weDoog
    Thanks man, i like it. I have a .87 cubic feet per chamber box for 2 12's i will sell it for $40 shipped. I have a pic if interested. I also make boxes if you want to put them in a ported box
    i had 2 type rs briged at 1 ohm in sealed box that i threw together in shop class one day, all the demensions were correct and **** but im gettin another type r. could u make a box for 3 with about .8 or.9ft^3? if so.... how much u charge? im lookin at this

    http://cgi.ebay.com/ws/eBayISAPI.dll...category=14945

    right now.... its a little too much air space so i figured id screw some of my left over mdf flush along the inside of the back wall and seal it up to reduce the air space but.. if u think u could hook me up with about box thats better than that.. i might take u up on it



    HU: Alpine CDA-7897
    Hi: Infinity KAPPA 10.5T
    Mid: Pioneer TS-D680R, Infinity KAPPA572.5CF
    Sub: JL 8w7
    Amp: JBL BP300.1
    Power: Excessive Amperage 200amp,
    Optima Yellow Top Battery 31 Series

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    billy98sport's Avatar
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    fyi.... the back of my explorer is 42 inches so that would be max length... ill take it sealed or ported, which evers cheaper .... i have carpet for it so u wouldnt have to worry about that either



    HU: Alpine CDA-7897
    Hi: Infinity KAPPA 10.5T
    Mid: Pioneer TS-D680R, Infinity KAPPA572.5CF
    Sub: JL 8w7
    Amp: JBL BP300.1
    Power: Excessive Amperage 200amp,
    Optima Yellow Top Battery 31 Series

  13. #13
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    how much would you ask for that box 91lacdeville??

    Also did you say you were going to run 2 12" alpine Type-R's on a JBL1200.1 at 2 ohms??? you do realize that is giving like 650 watts rms to each sub and the Type-r's have an rms of 300



    98 Grand Cherokee Limited 5.2L

    H/U: Alpine
    Speakers: Polk 6.5" GXR
    Amp: Hifonics BX1500D
    Subs: 2 12" RE SE's
    Box: Custom 3.3 Cubic foot ported
    Box tuned to 35 Hz
    In The Making: 5.1 cubic foot Box
    Ported to 28 Hz with
    Pluged Port (35 Hz)
    _____________________________

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