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Thread: First refoam

  1. #31
    Dang. Amateur speakerdave's Avatar
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    Re: Dam

    Originally posted by paragon
    There must be a "haircut" (?) before it`s broken.
    "haircut"="hairline fracture"

    (I think this might be the phrase you were looking for)

    David

  2. #32
    Senior Member paragon's Avatar
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    Thanks

    Thanks David and other,

    We have a laser welding machine in our factory.
    Let see how it works.
    The Le 10 A`s are not for a new project now.
    May be later. Just want to refoame both.

    Eckhard

  3. #33
    Senior Member paragon's Avatar
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    Laserwelding

    Seems it works.
    Look at the screw hole.

    Eckhard
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  4. #34
    Senior Member paragon's Avatar
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    Laser 1

    1. Front side
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  5. #35
    Senior Member paragon's Avatar
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    Laser 2

    2. Back side
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  6. #36
    Senior Member paragon's Avatar
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    Clean

    4. Working
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  7. #37
    Senior Member paragon's Avatar
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    looks good

    5. Working
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  8. #38
    Senior Member paragon's Avatar
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    Ready for refoam

    6. finished and looks good.
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  9. #39
    Moderator / Treasurer/Marketplace Czar boputnam's Avatar
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    :shock:

    Wow!!
    bo

    "Indeed, not!!"

  10. #40
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    Wish You were here

  11. #41
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    Gee ,,,

    Real Nice Work, Eckhard !

    Any chance of it rebreaking if you over-torque a screw/bolt into the hole ?

    or is it quite strong ? ( I have a broken le10 basket, just like yours was )

    regards <. Earl K

  12. #42
    Senior Member paragon's Avatar
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    Like new

    Thanks boys,

    Iīm very happy about. Good work from our man on the lasermachine.
    Earl, it`s quite strong. Hard work to get the old foam off.

    Eckhard

  13. #43
    Dang. Amateur speakerdave's Avatar
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    Nifty repair job, Eckhard.

  14. #44
    Senior Member paragon's Avatar
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    New

    If you donīt know, you can`t see that the basket was broken.
    The broken part is on top right of the last pic.
    How is the magnet motor fixed to the basket ?

    Lets rock !!
    Eckhard

  15. #45
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    How is the magnet motor fixed to the basket ?
    From that generation of transducers; usually lightly glued and screwed/bolted into a tapped/threaded top-plate.

    Since the late 90(s) , this method might have been altered. I had a 2012HPL start to lose/shed it's magnet about 15 months ago. The problem is weight related. The 2012 magnet is about 7 lbs heavier than the 2123 predecessor. The basket/frame is identical. This heavier magnet was glued and only riveted ( aluminum ) to the top plate receptacle/bore-holes ( a bad concept from the get-go to count on aluminum rivets to hold all that "cantilevered" magnet weight ). These little speakers ride around in "foamed" cases.

    regards <> Earl K

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