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Thread: Kicker 12" CVT makeing popping/crackling sound

  1. #1
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    Kicker 12" CVT making popping/crackling sound

    I just sold my kicker 12" CVT's and box to a guy local and one of the subs just started acting up. He says one works fine but the other is producing a popping/crackling sound and distortion at lower levels. I told him to try a better ground and check all connections. Any other ideas? I emailed kicker tech support as well. If this doesn't fix it I'll be buying him another sub to replace it.
    Last edited by BigMac; 01-22-2012 at 05:08 PM. Reason: spelling...
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  2. #2
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    Sounds like the subs are outa sequince if not wired up correctly they will pop. Or if his amp not correct oms will do same. His amp could even b to small causing them to clip

  3. #3
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    if it matters, he is running an adapter to the factory head unit to his amp in a 2011 CCSB Chevy. These hit hard in my 08' GMC with no problems, so I'll take my amp and try that as well.
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  4. #4
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    Shouldnt matter. But i would try ur amp and c if that works. Sounds like their not wired wright or underpowered

  5. #5
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    Thanks for the input - I'll try this and get back with the results..
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  6. #6
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    Shouldn't be clipping at such low volumes. It's either wired wrong or its blown.

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  7. #7
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    So I checked the sub last night, it has a slightly noticable buzz at low volumes and it goes away at higher volumes and both subs check out at 4ohms. The other performs with no flaws whatsoever at all levels. With the box flipped down like it should, I couldn't hear anything wrong at all I emailed kicker tech support with the findings. I don't think there's anything that can be done since it is functioning like it should and out of warranty by 3 months.

    He told me when he initially hooked it up that he ran the sub wired both ways - switching the terminals + and -. He also mentioned his friend blasting it at full power with the amp, something he didn't mention until last night. So I don't know if he fried something in doing that. That being said, I can't justify paying him back any money for the sub or replacing it after he admitted to crossing the wires and running it at the levels he did.
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  8. #8
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    Quote Originally Posted by BigMac View Post
    So I checked the sub last night, it has a slightly noticable buzz at low volumes and it goes away at higher volumes and both subs check out at 4ohms. The other performs with no flaws whatsoever at all levels. With the box flipped down like it should, I couldn't hear anything wrong at all I emailed kicker tech support with the findings. I don't think there's anything that can be done since it is functioning like it should and out of warranty by 3 months.

    He told me when he initially hooked it up that he ran the sub wired both ways - switching the terminals + and -. He also mentioned his friend blasting it at full power with the amp, something he didn't mention until last night. So I don't know if he fried something in doing that. That being said, I can't justify paying him back any money for the sub or replacing it after he admitted to crossing the wires and running it at the levels he did.
    You have done as much as you can to help. You sold him a piece of equipment that was working, you helped him troubleshoot some issues he said he had with it, your job is done.

    Not only that but there are unknowns that you found out after you sold the perfectly working sub. Friend of buyer was blasting it and then wondering why there was a crackling sound.
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  9. #9
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    Don't have anything to add besides I love my CVT's

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  10. #10
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    If he blasted them at full power, some subs instead of blowing will do what some people call hyper extending.. I've heard one that had that done and it buzzed somewhat. It is from putting too much power to them.

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