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Thread: JBL type s109 Aquarius IV

  1. #11
    Join Date: May 2016

    Location: Milton Keynes

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    I'm Andrew.

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    well the foam has rotted away, I’m sure there are replacements .
    I also acquired the tuner too.


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  2. #12
    Join Date: May 2016

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    Are they ok ?


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  3. #13
    Join Date: May 2016

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    Quote Originally Posted by RothwellAudio View Post
    This link is interesting:
    http://www.lansingheritage.org/html/.../1972-s109.htm

    page 2 might give you a clue how to access the mid/bass driver
    Thanks for that Andrew


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  4. #14
    Join Date: May 2016

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    That’s great Andrew cheers, the wife loves them !! She’s already talking about piano white


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  5. #15
    Join Date: Apr 2012

    Location: N E Kent

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    I'm Geoff.

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    Quote Originally Posted by andyrlb View Post
    Looks like it’s right Geoff, it has a weird diffraction thing in front of it
    So it is. The LE20 is a well known unit. They used them in the famous 'Century' model.

    Here is the piezo tweeter I thought it was. You can see why:


  6. #16
    Join Date: Apr 2012

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    I'm Geoff.

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    Quote Originally Posted by RothwellAudio View Post
    Here's a thread about restoring a pair of the same JBLs:
    http://www.audioheritage.org/vbullet...Rescue-Mission

    Unfortunately, not a lot of detail about the re-foaming process. Maybe walpurgis will have some words of wisdom about that.
    Replacement cone surrounds are available. Plenty of guides on the net about doing them. I can advise.

  7. #17
    Join Date: May 2016

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    Quote Originally Posted by walpurgis View Post
    Replacement cone surrounds are available. Plenty of guides on the net about doing them. I can advise.
    Hi Andrew, thanks I’ve also read that if the drivers came into jbl for a re-foam only the senior guys could do it


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  8. #18
    Join Date: May 2016

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    Quote Originally Posted by andyrlb View Post
    Hi Andrew, thanks I’ve also read that if the drivers came into jbl for a re-foam only the senior guys could do it


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    The white foam surrounds look much nicer imo .
    Think this might all be a little too much for my basic skills though . Any Jbl fans on here ?


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  9. #19
    Join Date: Apr 2012

    Location: N E Kent

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    Quote Originally Posted by andyrlb View Post
    Hi Andrew, thanks I’ve also read that if the drivers came into jbl for a re-foam only the senior guys could do it
    That sounds like cobblers to me. It's not a difficult job.

    It is worth doing properly on these. They are quite valuable drivers, so I'd get the best surrounds available..

  10. #20
    Join Date: Apr 2012

    Location: N E Kent

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    I have to say, I'd not seen a JBL Aquarius with a tweeter before. The ones I've seen did not have them, the 'IV' is obviously a later version.

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