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Thread: L300 or L300A

  1. #1
    Join Date
    Mar 2006
    McKinney, TX

    L300 or L300A

    Does anyone know how you can distinguish between an L300 or an L300A. Before you say is has been posted, I did see where a technical manual was given as a reference. I am talking about just looking at a pair.

    According to the JBL website, the L300 was only made in 1975 and 1976. I have seen 10-15 pair over the past few months on the internet but the foilcal says L300. Does the foilcal read L300A on the L300A? If the foilcal reads L300A, I wonder why I have not seen one with L300A, since should have been many more of these made between 1977 and 1982?

    Also, would the foilcal on the mid horn lense be different?


  2. #2
    Senior Member BMWCCA's Avatar
    Join Date
    Feb 2006
    Look for an "A" after the serial number. :dont-know

    I always thought the only difference was the LF driver, either 136A or 136H (in the 300A), or Alnico versus ferrite. Do you find there to be a great difference between the two?
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

  3. #3
    Join Date
    Mar 2006
    McKinney, TX

    Just purchased some L300A

    Thanks for your input BMWCCA. I just purchased a pair of L300A speakers yesterday. I was not sure if they were L300 or L300A, but I saw an "A" on the foilcal as you suggested. They are in great shape, however they need a re-foam and glass for the top.

    I have only had a couple of hours of listening at this point and so far, it is a close call on which sounds better, my Carver Amazing Platinums Mark IV or the JBL L300A.

    Thanks again.

  4. #4
    Senior Member Doc Mark's Avatar
    Join Date
    May 2008
    Southern, California, USA
    Hey, Scott,

    I'd caution you about playing your new L300A's, if the woofers need a refoam! Too much of a good thing can damage the woofers, if not supported properly by a good, new foam surround. For what it's worth....

    I can recommend our own Edgewound, to do the work for you. He's a JBL specialist, and does a fantastic job in refoaming and reconing JBL's!! Take care, and God Bless!

    Every Good Wish,
    The only thing that can never be taken away from you, is your honor. Cherish it, in yourself, and in others.

  5. #5
    Senior Member brad347's Avatar
    Join Date
    Jun 2008
    Brooklyn, NY
    jealous! One day I will be able to afford some L-300s.

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