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    95Prober's Avatar
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    Is this bad? DId I get screwed?

    Hey guys,
    I bought a used 12" d2 IDMAX from a member on here a while back and just got home to get a look at it. It came in the box undamged which was good, but I think he sent me a bad "semi-bad" sub.
    Everything looks ok, no rips or tears on the surround, but when I push down on center of the cone, he seems like it rubs and a light scratching sound.
    Is this repairable?

    Any thoughts? Thanks



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    Re: Is this bad? DId I get screwed?

    Use a DMM and check the Ohm load on coil or coils and see if they are were they are supposed to be.

    But if it is rubbing on a direct push down in the middle of the cone then chances are something isnt right.



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    Re: Is this bad? DId I get screwed?

    recone...




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    Re: Is this bad? DId I get screwed?

    send it to me. pm for address.



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    Re: Is this bad? DId I get screwed?

    play it free air, you coud be pushing to one side of the cone causing it to rub. i do it alot when i first get subs but then free air with tones and they are good




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    Re: Is this bad? DId I get screwed?

    recones are like 190 i believe



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    Re: Is this bad? DId I get screwed?

    You know you're not supposed to push the cone down right? The chances of you being able to push the cone perfectly in the middle are very small, and if you push off center, you cause coil rubbing, which is bad. dont push the cone.



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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by cx-7heaven View Post
    You know you're not supposed to push the cone down right? The chances of you being able to push the cone perfectly in the middle are very small, and if you push off center, you cause coil rubbing, which is bad. dont push the cone.
    this.



    2004 Cavalier ls sport
    H/U: Alpine W200 w/H701 processor
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    Sub:2x12" IDMax
    Sub amp: ID 1200.1
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    Re: Is this bad? DId I get screwed?

    you cant push the cone perfectly down most of the time, the fact that it scratches doesnt mean anything




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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by lilmaniac2 View Post
    you cant push the cone perfectly down most of the time, the fact that it scratches doesnt mean anything

    When the coil scratches while pushing the cone: 1) adhesive is removed from the coil, and you have tiny bits of adhesive floating around in there=BAD.....2) you are also mechanically manipulating the coil windings, do it enough, and you will loosen the windings=BAD. DONT PUSH THE CONE

    edit: at least thats my take on it, with my slightly higher than total noob's understanding of subwoofer engineering. Better to just not push the cone



    '08 Dodge Dakota Crew Cab
    Head: Clarion VZ401
    Mids: Diamond D9-71 component set
    Subs: Team PSI platform 2 18"d4 in 4 cu.ft
    Amps: Soundstream REF 4.760, Hifonics BXI2610d @ 2ohms(1700 rms)
    refs-here: Spooney, mj-tc, Cleansoundz, rc10mike, kmanian, cozce, Spy, ewoevo, stylez12321, stirfri4202,nihl8ion
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    Re: Is this bad? DId I get screwed?

    test them out like mentioned free air and with dmm before making a thread. and x3 on pushing on cone. although im sometimes guilty of it but i push lightly just to see how tight the subs are for some reason lol. one of the first things people naturally do when they first get or look at a sub.



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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by cx-7heaven View Post
    When the coil scratches while pushing the cone: 1) adhesive is removed from the coil, and you have tiny bits of adhesive floating around in there=BAD.....2) you are also mechanically manipulating the coil windings, do it enough, and you will loosen the windings=BAD. DONT PUSH THE CONE

    edit: at least thats my take on it, with my slightly higher than total noob's understanding of subwoofer engineering. Better to just not push the cone
    if you pushed hard I would imagine thats how it would be, but if you gently pushed on it, the results wouldnt be that drastic




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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by lilmaniac2 View Post
    if you pushed hard I would imagine thats how it would be, but if you gently pushed on it, the results wouldnt be that drastic
    i agree. you cant push it like your fisting your gf.



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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by oldschool4me View Post
    i agree. you cant push it like your fisting your gf.
    what about like fisting your gf?



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    cx-7heaven's Avatar
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    Re: Is this bad? DId I get screwed?

    Quote Originally Posted by lilmaniac2 View Post
    if you pushed hard I would imagine thats how it would be, but if you gently pushed on it, the results wouldnt be that drastic

    True... I been found pushing cones, but very lightly, for the same reason as old school mentioned. However alot of people push them all the way, and from what I understand those id's dont have a super stiff suspension, so they are easy to push all the way down



    '08 Dodge Dakota Crew Cab
    Head: Clarion VZ401
    Mids: Diamond D9-71 component set
    Subs: Team PSI platform 2 18"d4 in 4 cu.ft
    Amps: Soundstream REF 4.760, Hifonics BXI2610d @ 2ohms(1700 rms)
    refs-here: Spooney, mj-tc, Cleansoundz, rc10mike, kmanian, cozce, Spy, ewoevo, stylez12321, stirfri4202,nihl8ion
    ssa: sundownz, mike@ssa, BKOLFO4
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