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Thread: JBL 5235 Crossover Boards: Unobtainium Obtained

  1. #1
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    JBL 5235 Crossover Boards: Unobtainium Obtained

    Hi,
    For those interested in adapting JBL 5235 active crossovers for use with their JBL systems, a major blocking point has been the difficulty of getting suitable crossover boards.
    I would like to recommend Evan Bunner of Bunner Audio ( www.bunneraudio.com , [email protected] ). He has produced a set of 5235 boards for my 4343 speakers , together with the L-shaped mounting plates, with component holes drilled precisely for the sizes of the components that I planned to use. Evan can produce these boards at a reasonable cost for any of the JBL speakers,with tweaks as needed. They arrived here today from the US... a late Christmas present, so now on to the next stage of bi-amping these excellent speakers.

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    Senior Member ratitifb's Avatar
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    Thanks for sharing and nice to know!

    Some pics of the stuff?

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    Senior Member pyonc's Avatar
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    Quote Originally Posted by georgebrooke View Post
    Hi,
    For those interested in adapting JBL 5235 active crossovers for use with their JBL systems, a major blocking point has been the difficulty of getting suitable crossover boards.
    I would like to recommend Evan Bunner of Bunner Audio ( www.bunneraudio.com , [email protected] ). He has produced a set of 5235 boards for my 4343 speakers , together with the L-shaped mounting plates, with component holes drilled precisely for the sizes of the components that I planned to use. Evan can produce these boards at a reasonable cost for any of the JBL speakers,with tweaks as needed. They arrived here today from the US... a late Christmas present, so now on to the next stage of bi-amping these excellent speakers.
    Thanks for the info. Can you show us the 4343 boards?

  4. #4
    Heather [Senorita member] hjames's Avatar
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    Quote Originally Posted by pyonc View Post
    Thanks for the info. Can you show us the 4343 boards?
    You guys REALLY have got to get out more ... take some initiative!

    Google is your friend - George already posted the link to the guy's website http://www.bunneraudio.com/

    I went to the website, looked under PROJECTS and found a link for the 5235 Cards

    http://www.bunneraudio.com/Products/jbl-5235

    The images are RIGHT THERE




    And underneath that on the SAME PAGE it has a picture labelled Complete 12db Cards ..

    2ch: RPi-4, Oppo, Acurus RL-11,Jolida 502, JBL L212, Heath AS-1348, VonSchw
    7: TIVO, Oppo BDP103D, B&K, UREI 809A, JBL B460

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    Senior Member audiomagnate's Avatar
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    For some reason I can't see your pictures.

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    Senior Member ratitifb's Avatar
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    Quote Originally Posted by audiomagnate View Post
    For some reason I can't see your pictures.
    Me too...

  7. #7
    Heather [Senorita member] hjames's Avatar
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    Not MY pictures - its Bunner Audio's pictures -
    he uses some kind of Google docs URL to stash his files -



    http://www.bunneraudio.com/Products/...attredirects=0




    http://www.bunneraudio.com/Products/jbl-5235 <--! Go view the images HERE!!

    Are you saying when you go to HIS website you don't see ANY pictures of the cards?
    2ch: RPi-4, Oppo, Acurus RL-11,Jolida 502, JBL L212, Heath AS-1348, VonSchw
    7: TIVO, Oppo BDP103D, B&K, UREI 809A, JBL B460

  8. #8
    Senior Member ratitifb's Avatar
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    Quote Originally Posted by hjames View Post
    Not MY pictures - its Bunner Audio's pictures
    Thanks for
    Quote Originally Posted by hjames View Post
    Are you saying when you go to HIS website you don't see ANY pictures of the cards?
    Actually from an Iphone but it's ok now from my PC



  9. #9
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    My unobtainium

    Right now I am checking my components and the other upgrades that I need to make to my 5235 (PS upgrade, IC replacements with OPA627, various other changes gleaned from these forums) before mounting the new boards. The photos above are pretty well identical to the boards that I received. The only changes that I have needed to make are to drill out the holes on the L-brackets and the corresponding holes in the boards to take the bolts that I am using.
    There is not really much more to say... I shall probably use some computer-printed labelling or transfers for the board identification(viewable through the slot on the front panel of the crossover). Other than that, my thanks to Evan Bunner of Bunneraudio for helping me get my 4343s working with the original (with some mods) JBL crossover.

    George Brooke

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