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Thread: JBL crossovers 3130

  1. #1
    Junior Member
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    JBL crossovers 3130

    We are making own crossovers for the L150 but have encountered some problems and some concerns. They are:
    1. The need for large low resistance power resistors--seem to make the L300
    more inefficient.
    2. The tapped midrange coil which is NLA from JBL does anyone know where the tap is located as there is no numerical indicator.
    Thanks
    Harv in the Philippines

  2. #2
    RIP 2011 Zilch's Avatar
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    I cannot figure out what you're asking about.

    L150 doesn't have tapped inductor

    What's L300 got to do with it? Here's the equivalent cirucuit:

    http://audioheritage.org/vbulletin/showthread.php?t=166

    And how does 3130 relate:

    http://www.jblproservice.com/pdf/Net...%20Network.pdf

  3. #3
    Junior Member
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    Typo errors sorry

    The correct model JBL is the L300 and the Xover is the 3133 and there was a question about the loading resistors but in your link the only such resistors in you link seem to be only in the midrange circuit. So the question was answered in a way.
    Harv

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