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Thread: Demagnetize on recone?

  1. #1
    Junior Member 2$Bill's Avatar
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    Demagnetize on recone?

    How important is it to have a speaker demagnetized when reconing? Thanks, Bill
    2$Bill

  2. #2
    Administrator Robh3606's Avatar
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    It depends. Ferrites do not have to be re-maged. The alnico's are the ones you might have to worry about. Any of the underhung alnico woofers/mids as well as the compression drivers should be OK. Any long coil alnico like a 2231 or a 123A may need a recharge depending on how hard the driver was driven.

    Rob
    "I could be arguing in my spare time"

  3. #3
    Administrator Mr. Widget's Avatar
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    Rob is referring to remagging to bring them back up to their original gauss spec. As for the original question, no the driver does not need to be demagnetized to properly recone it.


    Widget

  4. #4
    Junior Member 2$Bill's Avatar
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    Thank You!

    Thank you for your detailed responses. I hope the info is useful to others.

    Boll
    2$Bill

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