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Thread: JBL M31-4 speaker questions

  1. #1
    va3ux
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    JBL M31-4 speaker questions

    I recently bought an amp with one of these 15" speakers in it. I have read that the M31 was a re-release of the original D-130F. I have seen on eBay where an M31 speaker was supposedly custom made for the Kustom amp company. On here I believe I read that the M31 was made for early Peavey steel guitar amps.

    Can anyone fill me in on the real heritage of this thing ? Is it actually A D130F with just a different model number, or is it a whole different model. Or does anyone really know ?

    If it is re-coned with modern parts/materials, is it likely that it will loose some of it's original character ? This thing works by the way, it isn't blown.

    First post here. Sorry for the list of questions.

    Thanks in advance....Phil

  2. #2
    va3ux
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    Bump.. Anyone ?

  3. #3
    Administrator Robh3606's Avatar
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    It looks like it was a version of the 130, the cone kit is no longer available. I don't know if the -4 is for a 4 ohm coil or it has other differences as well.

    http://www.jblproservice.com/pdf/Tra...rts%20List.pdf

    Rob
    "I could be arguing in my spare time"

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