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Thread: L150 & L150A differences?

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    L150 & L150A differences?

    Can anyone describe the differences between the L150 and the L150A ? And are there appearence differences in the two models drivers? Which model is usually considered more desirable and why? Are they nothing more than a tall 116 or does the 150 offer distinct advantages that establishes them as a real player in the JBL catalogue? thanks.

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    The L150 was basically an L110 with a twelve-inch woofer and passive radiator in a 4 cu ft box instead of a ten-inch woofer in a 1.5 cu ft box.

    The L150A was basically an L112 with a passive radiator and a 4 cu ft box for deeper bass. The L112 was roughly a 1.5 cubic foot box.

    Yes, they are both real players.

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    I have both. L150A has a different top end and different crossover points but they both sound pretty good and they have real low end extension.

    Allan.

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    Quote Originally Posted by Allanvh5150 View Post
    I have both. L150A has a different top end and different crossover points but they both sound pretty good and they have real low end extension.

    Allan.
    Thanks Allan, Are there visual differences in the two models drivers? And is it fair to say that one of the 150 pairs out performs the other? Or are they just a little different ?

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    Quote Originally Posted by midlife View Post
    Are there visual differences in the two models drivers?
    The L150A has the same 044 tweeter as the L96 and L112 so look for the aluminum frame with the silver screen over the diaphragm. The L150 uses the 033 so look for the black frame, no screen, and a black diaphragm. Or look in the library:

    L150: http://www.lansingheritage.org/html/.../1979-l150.htm

    L150A: http://www.lansingheritage.org/image...ome/page06.jpg
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    Quote Originally Posted by BMWCCA View Post
    The L150A has the same 044 tweeter as the L96 and L112 so look for the aluminum frame with the silver screen over the diaphragm. The L150 uses the 166 so look for the black frame, no screen, and a black diaphragm. Or look in the library:

    L150: http://www.lansingheritage.org/html/.../1979-l150.htm

    L150A: http://www.lansingheritage.org/image...ome/page06.jpg

    Correct me if I'm wrong, but I believe the L150 uses the 033 tweeter and the LE5-10 midrange and the L150A uses the 044 tweeter and the LE5-12 midrange. The midranges are acoustically the same the only difference between them is the bright brushed aluminum frame on the LE5-12 instead of the black brushed aluminum one on the LE5-10.

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    Quote Originally Posted by LRBacon View Post
    Correct me if I'm wrong, but I believe the L150 uses the 033 tweeter and the LE5-10 midrange and the L150A uses the 044 tweeter and the LE5-12 midrange.
    Of course you're correct. Late night brain fade. I probably meant to say same tweeter as the L166 but black and got sidetracked. Thanks for correcting my bad info!
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    Senior Member LRBacon's Avatar
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    Quote Originally Posted by BMWCCA View Post
    Of course you're correct. Late night brain fade. I probably meant to say same tweeter as the L166 but black and got sidetracked. Thanks for correcting my bad info!
    It's not so late out here. That's why I was able to do the correction.

    Of course if it's not the late hour, then it's one old age and then the memory goes.

    Larry

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    If you have a line on either, get 'em! You'll be glad that you did. I really, really like my L150s.

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    Quote Originally Posted by LRBacon View Post
    Of course if it's not the late hour, then it's one old age and then the memory goes.
    Well, I'm nearly 30-years younger than my Mom and she's still doing fine. At least I remember I have a pair of L150As in their original boxes, in the garage, waiting for me to get around to the quadruple re-surround job they're in need of. I guess on some level that's a good sign!
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    Are there visual differences in the two models drivers? And is it fair to say that one of the 150 pairs out performs the other? Or are they just a little different ?
    Let me try again since my first post failed to get the point across...

    http://www.lansingheritage.org/html/.../1979-home.htm

    http://www.lansingheritage.org/html/.../1982-home.htm

    One can look up the models I mentioned. One can also Google "JBL L150" and then select images to see all kinds of pictures.

    Here are the network schematics:

    L150 ts.pdf

    L150A ts.pdf

    L150A-B ts.pdf

    L110 ts.pdf

    L110A ts.pdf

    L96 Delta ts.pdf

    L112 ts.pdf

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    Thanks for the info 4313B

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    Quote Originally Posted by 4313B View Post
    Let me try again since my first post failed to get the point across...

    http://www.lansingheritage.org/html/.../1979-home.htm

    http://www.lansingheritage.org/html/.../1982-home.htm
    I tried! :dont-know
    I obviously don't carry the same cachet.
    ". . . as you have no doubt noticed, no one told the 4345 that it can't work correctly so it does anyway."—Greg Timbers

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    Quote Originally Posted by BMWCCA View Post
    I tried! :dont-know
    I obviously don't carry the same cachet.
    Oh, contrere mone ami, you're one of my favorites... ; and to shift back to the topic, I do have a line on some L150s (not A models). They would need some veneer clean up, but not too bad, and the drivers and their function (xovers & pots) is reported to be trouble free. The game room I am setting up has L65s dedicated to one wall and I was thinking of putting the 150s on the opposite wall almost 17' away from each others pairs. Too ambitious, or go for it?

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    Go for it! I have a similar arrangement with L112 or L96 on one wall, facing a pair of L150A across about the same distance as your room, maybe a couple feet longer. I had the L220 in there for a couple of years but am moving the L150A's back in this weekend to replace the [sold] L220's. I normally listen to the larger fronts by themselves and only turn on the smaller pair on the other end of the room when I want it cranked really loud.

    John

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