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Thread: JBL speaker issue

  1. #1
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    JBL speaker issue

    I have recently purchased some replacement mid range speakers for my JBL 4311's and when I open the package one of the rivets falls out of the back . Is this a big problem as to the performance ? Should return them ? Can it be repaired ? Other than that they are in great cond. Any help would be great .

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    Administrator Robh3606's Avatar
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    Why don't you post some pictures?

    Rob
    "I could be arguing in my spare time"

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    Moderator hjames's Avatar
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    Quote Originally Posted by socaldc View Post
    I have recently purchased some replacement mid range speakers for my JBL 4311's and when I open the package one of the rivets falls out of the back . Is this a big problem as to the performance ? Should return them ? Can it be repaired ? Other than that they are in great cond. Any help would be great .
    You didn't specify the source so I have to ask ...

    Did you buy them directly from JBL,
    from one of its authorized repair centers,
    or from a 3rd party source (or private seller)?
    2ch: WiiM Pro; Topping E30 II DAC; Oppo, Acurus RL-11, Acurus A200, JBL Dynamics Project - Offline: L212-TwinStack, VonSchweikert VR-4
    7: TIVO, Oppo BDP103D, B&K, 2pr UREI 809A, TF600, JBL B460

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    Senior Member ratitifb's Avatar
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    Quote Originally Posted by socaldc View Post
    I have recently purchased some replacement mid range speakers for my JBL 4311's and when I open the package one of the rivets falls out of the back . Is this a big problem as to the performance ? Should return them ? Can it be repaired ? Other than that they are in great cond. Any help would be great .
    if there are some rivets in the magnet assembly there should be a good mechanical reason for and you don't have to accept that one of them falls out from a new driver

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    Name:  100_8456.jpg
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Size:  63.8 KB These were bought from a third party . Can it be repaired ? Will it affect perfomance ? Thanks

  6. #6
    Senior Member grumpy's Avatar
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    It's there to align the back plate, magnet, and frame, plus keep them
    stacked tightly. You still have two. Odd that one would come loose.
    If you can't (or don't want to send it back), you might consider epoxying
    the rivet in place, taking care that the epoxy doesn't drip through the far
    side, onto the corrugated "spider" that holds/centers the voice coil
    (visible if you look inside the frame, behind the cone.

    If the magnet and back plate appear to be separating at all,
    I would seriously try to return the unit.

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