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Thread: 108H - is there more than one version?

  1. #1
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    108H - is there more than one version?

    Hi,

    I have just ordered a new pair of 108H's for my 250Ti's (original model with teak cabinets). By ordering Part No. 108H, am I sure to get the right driver? To me, the Part No. code of 108H seems a bit "vague" for a speaker that's had so many revisions over the years. I understand other drivers have revisions ...H-1, ....H-2, etc. I have searched the forum and have not seen any references to 108H-1 (for example) so I think I am safe.

    Also, I tried to extract one of the 108H's from my 250Ti's so I could read the exact Part No. code on the back but after unscrewing it, I couldn't separate it from the cabinet. Is there a trick to getting them out without damaging the cabinets?

    (p.s. this question was also posted in the "Marketplace" section so apologies for doubling up ).

  2. #2
    Senior Member spkrman57's Avatar
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    Mine just say 108H...

    It is painted on one of the frame legs on the driver.

    To my knowledge there is only "1" version of these.

    Others may know better though!

    Ron
    JBL Pro for home use!

  3. #3
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    Cool, have you ever tried to take one out of the 250Ti cabinet?

    Mine didn't want to budge after I unscrewed them as though the gasket/driver was adhered to the cabinet. They have been in there for >15 years which is a hell of a long time.

  4. #4
    Senior Member spkrman57's Avatar
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    Mine were raw drivers...

    Bought from a forum member here.

    I'm not sure about removing a stubborn 108H from a 250Ti cabinet.

    Hopefully someone will chime in here with help in your endeavor.

    Ron
    JBL Pro for home use!

  5. #5
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    on 1 of mine no problem. On the 2nd unit, I have gasket material on the speaker cabinet . I intend to address this tonight, not sure, razor blade, lots of patiance, order a new gasket...

    Hopefully tomorrow I can update

    Mark

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    An update would be good. Mine feels like there is a gasket that has been in position so long it has stuck to the driver & cabinet. I attempted to lever it with a screwdriver but feared denting the cabinet. Will have another go again when I have more time.

    Let me know what you find.

  7. #7
    Senior Member soundboy's Avatar
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    Use a hair dryer around the edge and a smooth butter knife or plastic spreader to carefully pry....worked for me in the past

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  9. #9
    Senior Member macaroonie's Avatar
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    Stuck Driver

    Andy why don't you give it a side ways dunt with your sheleileigh. My friends from africa give those drivers a big whack with a Knobkerry but here in Glasgow a sidyways smack with a hammer and a wooden block usually does the trick. Especially if you apply a little WD40 around the sticky point and wait a while. Off you go laddie.

  10. #10
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    my friend went at it w/a dull knife and a warm sponge. I still need to work at it. Might try the hair dryer. W/the speaker out I can test the wd40 on a small spot to see how it does w/the polyurethane somebody has put on. Looks like the speaker was put back before the new finish had dried

    Good luck!!

    Mark

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