Will pickups, when stored in a pile, in a bin...

Discussion in 'Just Pickups' started by DHart, Feb 24, 2020.

  1. DHart

    DHart Friend of Leo's

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    mess with the magnetism of each other?

    Should pickups be stored at some distance from each other to protect their magnetic properties?

    I guess I have too many pickups in my pickup bin! :lol: They're each in some type of container, not sitting literally pole pieces to pole pieces.
     
    Last edited: Feb 24, 2020
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  2. hopdybob

    hopdybob Tele-Afflicted

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    i am no tech, but if i read that you can charge a magnet with, say a neodium magnet, i could think it can do something lying close together.
    the only thing i won't believe you would end up with baby pickups 9 month later:lol::lol:
     
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  3. DHart

    DHart Friend of Leo's

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    The neodymium magnets for charging are extremely powerful, but I have a feeling that the strength of magnets in most pickups is not strong enough to mess up other pickups - but I could be wrong!

    I have intentionally reversed the polarity of a pickup, using neodymium magnets, and make sure to keep them well away from pickups otherwise.

    Anyway, I'm hoping that the "pickup experts" here will chime in to set the record straight.
     
    Last edited: Feb 24, 2020
  4. elpico

    elpico Tele-Holic

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    I wouldn't be shocked if a powerful ceramic mag pickup knocked some strength off a weak alnico one like an A3 if they got forced together. On the plus side any magnet that can be changed that easily... can be changed that easily. So it's a piece of cake to recharge it to full strength or even reverse the magnet polarity if you want.
     
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  5. hopdybob

    hopdybob Tele-Afflicted

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    i think, it would charge it more, but maybe a magnet can be charged to a kind of maximum, but we wait on the experts;)
     
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  6. DHart

    DHart Friend of Leo's

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    There must be some folks here on this forum with authoritative knowledge on the subject?
     
  7. Muinarc

    Muinarc Tele-Meister

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    As long as you dont force poles together your sould be fine.

    "Bar magnets for science class have their north and south poles clearly marked. If you store or stack them with the north poles together, this causes them to lose their magnetism faster than normal. Instead, you want to store them with the north pole of one touching the south pole of another. The magnets will attract each other in this orientation and maintain each other’s fields.

    You can store horseshoe magnets this way also, or you can put a small piece of iron, called a “keeper,” across the poles to preserve its strength."
     
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  8. DHart

    DHart Friend of Leo's

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    So, randomly storing pickups may well result in some loss of magnetism, depending on how closely the similar poles of different pickups come together.

    I wonder what distance would be a safe distance... 2", 4"?
     
  9. Macrogats

    Macrogats Friend of Leo's

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    I don’t know the correct answer - the above one makes sense - but I keep mine apart. i.e. NOT shoved together in a box!
     
  10. TelenTubes

    TelenTubes Tele-Holic

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    Yeah, if you have that many spare pickups, send me a hot neck and bridge set for a tele!

    Otherwise, find a way to keep them organized and separate!
     
  11. Ronkirn

    Ronkirn Doctor of Teleocity Vendor Member

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    No... otherwise the pickup makers wouldn't ship them bundled..

    r
     
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  12. Old Deaf Roadie

    Old Deaf Roadie Tele-Afflicted Silver Supporter

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    You could go full OCD and orient each of the stored pups as north-south...
     
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  13. RoyBGood

    RoyBGood Doctor of Teleocity

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    Or as Eric Johnson would say, 'East Wes'.
     
  14. Seasicksailor

    Seasicksailor Friend of Leo's

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    Pickups can be pretty close to each other on guitars.
     
  15. BorderRadio

    BorderRadio Poster Extraordinaire Silver Supporter

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    P90 bars are basically next to each other, all the time. That said, I box mine up to protect the coils and keep covers from getting scratched up. I had some minor concerns about the magnets being too close early on but yeah, nah.

    B3DC4C33-2CE3-40CB-A076-0D0A979249BF.jpeg
     
  16. DHart

    DHart Friend of Leo's

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    Ooooh.... first thing I thought of when I read that was:

    Paul Butterfield Band’s East-West. A very formative album for me around ‘68 or so. Mike Bloomfield on guitar.
     
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  17. DHart

    DHart Friend of Leo's

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    Ron.... thank you. I was hoping for something of an authoritative input here.

    Surprised that no “winders” offered an opinion.
     
  18. Antigua Tele

    Antigua Tele Friend of Leo's

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    Only alnico Fender style pickups have this issue, and yes, if they're floating around in a bit there is a good chance the will touch face to face and demagentize. You have to retain them somewhow, so they're not bouncing around.
     
    Last edited: Feb 25, 2020
  19. Antigua Tele

    Antigua Tele Friend of Leo's

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    If you were to press them together, each bar would lose about half its strength, because the remnant flux of each is strong enough enough to push that of the other about half way down their magnetization curve.

    [​IMG]

    If you have two Strat pickups in a box and the same poles touch face to face, they will reduce by about half for that reason. The bigger risk is probably having AlNiCo pole pieces bump into the ceramic magnets on the bottom of stock import Strat pickups.

    With the amount of separation in a P-90, the "H" is too weak to move "M". They might actually demagnetize a little, it wouldn't surprise me if throughout the history of making pickups, nobody has ever bothered to check.
     
    Last edited: Feb 25, 2020
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  20. DHart

    DHart Friend of Leo's

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    They are each in their own wrapping and packaging - they’re not unwrapped and in direct contact with each other. But the packages are adjacent to each other in the bin.

    I guess that’s not s big deal.
     
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