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    I've been hesitant to re-cap them... thinking if...

    I've been hesitant to re-cap them... thinking if that was required, I would update the entire crossover instead.

    Question; could a failed capacitor in the crossover change the speaker phase? They...
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    Agree it doesn't make much sense. It's not like...

    Agree it doesn't make much sense. It's not like just MY mids have a "male" connector on the positive terminal. But that IS positive, as I confirmed with a AA battery. After the change the wiring is...
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    Here's what I found, and how I proceeded. Made it...

    Here's what I found, and how I proceeded. Made it easy to switch back.
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    Thanks Grumpy, but everything else was correct.

    Thanks Grumpy, but everything else was correct.
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    Lol anyone know how to post pics?

    Lol anyone know how to post pics?
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    4312As with the mid out of phase

    So this is weird. I picked up a set of 4312As a few years back. But they have just never sounded right to me. I poked around a little when I first got them, but everything looked OK. I didn't like...
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    Does that apply to the mere 2 caps that...

    Does that apply to the mere 2 caps that constitute the "crossover" in these models?
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    L100 out-of-phase midrange

    I have a pair of L100s and a pair of 4312Bs that I love.

    I've been reading a lot about these designs. Many people think that they benefit from an upgraded crossover, but I've been hesitant. I...
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    Pro version here...

    Pro version here http://www.jblpro.com/pub/obsolete/4311b.pdf
    For normal household use 100 watts is good.
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    The usual supects

    L100s
    4312As
    4406s
    And incomplete 4401s and 4301Bs
    Looking for drivers for the 4301Bs...
  11. Thread: 4301B

    by Zeb Norris
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    Sweet!

    Very nice speakers taro, and great scores! Play some Eloy for me!

    I'm an old radio dog who got spoiled so I picked up a pair of L100 Centuries and a pair of 4312a's, both all original and still...
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