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Brown magnet material ?

Discussion in 'Electronic Repair' started by N_Cook, Apr 26, 2010.

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  1. N_Cook

    N_Cook Guest

    What is it called? I just used some to repair a broken springline pickup, as
    it is easily cut with a razor to make 2 parts to go over the wire suspension
    and through the anchor assembly , required to be about 2mm diameter and 4mm
    long . Came from a 4 pole multipole motor from a scrapped early VCR, before
    rare earth magnets came in. This one a ring about 85mm diameter. Also what
    is the generic name for those multipole, spoked former for the coils and
    rotating magnets type of motors ?
     
  2. What is it called?

    Ferrite?

    There are flexible ferrites (magnetic material mixed with polymers) than can
    be easily cut.
     
  3. Like the stuff used to keep refrigerator doors closed worldwide.
     
  4. Phil Allison

    Phil Allison Guest

    "Nutcase Kook "
    ** Only plastic or rubber magnets can be easily cut, ie fridge magnets.

    ** Funny way to describe a reverb tank's miniature tube magnet.

    ** Normally they use hard ferrite magnets.

    ** Brushless DC.

    Yaawwnnnnnnn....


    ..... Phil
     
  5. N_Cook

    N_Cook Guest

    Not looked behind any of those but I had forgotten about those flexible
    sheets for metal noticeboard anchors which are brown and weak.
    But the black hard material of inductive tuning slugs are also called
    ferrite.

    About 4 times the mV response on my remade spring line compared to the
    unbroken original one of the pair for same input. Will await any verbal
    feedback on strength or tone of the new reverb tank
     
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