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Reload Thread: 12w6/w7 IB?

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    bikinpunk's Avatar
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    12w6/w7 IB?

    Anyone done this?

    I've been modeling both my 12w7 & 12w6 for IB use, and am considering going this route. They both have the same cutout diameter so I could do a swap test, but I'm curious if anyone here has gone this route at all?



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    Re: 12w6/w7 IB?

    i'd look into an IB specific woofer if you want to try IB..

    the new exodus audio xbl^2 subs are great IB candidates



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    Quote Originally Posted by cotjones View Post
    to answer someones question earlier.... after 194dBs your car no longer puts out sound, it puts out earthquakes

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    Re: 12w6/w7 IB?

    I've modeled a few other IB drivers, such as the IDQ and most these drivers have the same FR when IB, within 2db of each other. I have the tuning capabilities to take care of things if that's the real life result.

    It seems everyone says to look into those subs (ID, etc) because they were designed for that task, but I'm really trying to see if anyone has used the w6's with good results. A couple guys on DIY said they had good luck but with 2 13w6's.

    I'm not writing off trying another sub, but I already own a w6 & w7. It's just more work for me to buy another sub unless I get some serious advice not to do so. It seems not many have tried this, so who's to say it won't work?

    Thanks, though.



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    Re: 12w6/w7 IB?

    i think its the shiva-x and the tempest-x



    REF's
    Quote Originally Posted by cotjones View Post
    to answer someones question earlier.... after 194dBs your car no longer puts out sound, it puts out earthquakes

    Current Setup:
    Nakamichi CD-300, Coustic XM-3, Clarion EQS746, Coustic 510-DR, RE RE 6.5" Comps, Powerbass XA-900D, TCON Custom Subwoofer, Ported 1.5 to 30Hz

    Future Setup:
    In the works again

    WTB: Best Joke - Thread

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    bluelceii's Avatar
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    Re: 12w6/w7 IB?

    ID is/are good for IB.....



    Quote Originally Posted by babaganoush123 View Post
    jl w7. period best sub ever created.

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    Re: 12w6/w7 IB?

    Thanks...



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    Re: 12w6/w7 IB?

    Quote Originally Posted by Manville Smith
    First, even though we do not specifically recommend it, there is no reason why a W7 cannot be used successfully in an IB installation as long as you consider the following points very carefully.

    1) The suspension system of the W7 is not designed to limit excursion without the loading of an enclosure behind it. This contrasts with an IB specific design which is designed to tighten up before the coil crashes into metal parts. The mechanical power handling is way lower than in a sealed enclosure, particularly if you listen to a lot of low-bass intensive material.

    2) The W7 may sound overly "heavy" and overdamped in an IB installation when you factor the car's transfer function and will most likely require some high-resolution equalization and/or very solid midbass support. Our IB specific designs of the past were designed to deliver a higher Q response (in the 0.7 range) whereas the W7 will be in the 0.5 range. This will bloat the in-car response below 40 Hz, leading to the "heavy" sound I was referring to.

    3) If you wreck the suspension or crash a coil, we do charge for reconing.

    Hope that helps,

    Manville Smith
    JL Audio, Inc.
    Entire thread dedicated to the topic, with a great discussion that I would recommend reading regardless;

    http://www.elitecaraudio.com/forums/...hreadid=129616




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    Re: 12w6/w7 IB?

    I've read it. Thanks though.

    My take from that is he's putting a blatant warning but not saying that it can't be done.



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    Re: 12w6/w7 IB?

    He's putting a blatant warning of the obvious; mechanical power handling will be significantly reduced (no surprise there) and there's not built-in mechanisms to keep the coil from crashing into the backplate....so if you do choose to run one IB and overpower it mechanically and damage the suspension/coil don't expect it to be covered under warranty.

    IMO so that some idiot didn't run it IB and send it back for warranty work because "it's rated to handle 1kw"........




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    Re: 12w6/w7 IB?

    ^ Exactly.

    That's what I gathered from it, too.

    I figure set gains with a very low tone, watch for extreme cone movement, mark that as your gain (or just a bit below that) and you'd probably be alright.



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    Re: 12w6/w7 IB?

    sell both and buy ID subs?




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    Re: 12w6/w7 IB?

    Quote Originally Posted by budahbuddy803 View Post
    sell both and buy ID subs?
    Did you not bother to read my response?


    Besides, this thread didn't ask which sub to buy, I specifically asked about the w6 or w7 since I have those right now.



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