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Thread: JBL LN3 Project, *Official Thread

  1. #31
    Nightbrace
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    Yep the drivers from the L112's should be killer for the LN3's.

    What crossovers should I go with, I have been told that the L112's crossovers are not the greatest. Is this true?

  2. #32
    Senior Member grumpy's Avatar
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    L112 crossover would also be killer dude... whoa...

    (or at least a -real- good reference to start, with those components)

    If you have specific concerns about stock crossovers, they are likely addressed
    in the bowels of these forums (with as many opinions as posters and a few
    words of wisdom)

  3. #33
    Senior Member Lancer's Avatar
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    Quote Originally Posted by Nightbrace
    I have been told that the L112's crossovers are not the greatest. Is this true?
    People are retarded. Don't listen to any of them.

    Quote Originally Posted by Nightbrace
    Yep the drivers from the L112's should be killer for the LN3's. What crossovers should I go with?
    N112's.

  4. #34
    Senior Member grumpy's Avatar
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    Talking

    indeed.

  5. #35
    Senior Member Lancer's Avatar
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  6. #36
    Senior Member andresohc's Avatar
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    Are the L150A crossovers similar enough to the l112 to be used with a ported (not PR) cab. I may have a pair of these floating around...

  7. #37
    Senior Member duaneage's Avatar
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    Ported versus PR has little to do with the crossovers. Crossovers are concerned with the LF - MF - HF interaction. The drivers used, their physical distance from each other, and voicing design is reflected in the crossover network.

  8. #38
    Senior Member Lancer's Avatar
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    Quote Originally Posted by andresohc
    Are the L150A crossovers similar enough to the l112
    Once again - The L96, L112, and L150A all use the same crossover schematic. It is a less expensive version of the 4313/4313B schematic. The actual physical networks differ from each other depending on manufacturing date.

  9. #39
    Nightbrace
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    I have been told that the L112's crossovers are not the greatest.
    What I meant to say is that I was told that the L112 crossovers will not be the greatest for the LN3's any truth to this?

  10. #40
    RIP 2011 Zilch's Avatar
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    Alas, I am unfamiliar with LN3....

  11. #41
    Senior Member grumpy's Avatar
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    What I meant to say is that I was told that the L112 crossovers will not be the greatest for the LN3's any truth to this?
    There is no information in your premise to argue for or against.
    So essentially, no, there is no truth to that statement.

    The mids and highs will sound something like an L112 or L150A or L96, which
    is a pretty nice place to start, unless you just don't like them to begin with.
    Suggest you try to listen to a pair of L112's if possible.

    The low end will depend on the box (LN3), tuning, and your room (where you put
    them). Others with many years of experience have already indicated that the LN3
    would work fine with several options for bass drivers.

    Not sure what else you are expecting to hear? (so to speak) If I had the parts and
    cabinet, I'd do it

    -grumpy

  12. #42
    Senior Member duaneage's Avatar
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    I have a pair of 2214H woofers for sale along with 104H-2 mids. Buy them from me along with some 035Ti tweeters on eBay and you'll have a L100T system clone that you'll love.

  13. #43
    Nightbrace
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    thank you, I will consider that.

  14. #44
    Nightbrace
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    How would the L-36 crossovers work?? I love the way they sound in the room the LN3's will be going in, given that they are relatively small compared to the LN3's, how well would guys think they would work with the large cabinet size?

    Although I have not decided for certain what drivers I will use, I know for sure that the mids will be either the LE5-6 or LE5-12's. For the tweeters I am contemplating between the 044's and the LE25's and the woofers contemplating between the 2214H's and the 128H's/ I am leaning more and more towards the LE25, LE5-6, and 2214H woofers with the L-36 crossovers.. I know the L100 crossovers would be easy to construct as they really only consist of two capacitors. And work well too, I have been talked out of the L112 crossovers by a friend of mine who has heard and built more JBL systems than anyone I know, David Dicks of commonsenseaudio.com.

    Does anyone have a schematic of the L-36 crossover? and the L-100 crossover? I may do a "modified version of boht of them combined to suit my room and the size of the cabinet.

  15. #45
    Senior Member grumpy's Avatar
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    You can download the O&M manuals from jbl.com... sans schematic, unfortunately.
    Might find them here if you search a bit...

    http://audioheritage.org/vbulletin/s...=L36+schematic

    Food for thought (oldest and cheapest first):
    L36 -> 1.5KHz, 6KHz
    L96/112/150A -> 1.1KHz, 3.7KHz
    L100t3 -> 800Hz, 4.5KHz

    Would think the low-mid crossover for the L36 might be a stretch for the 12"
    drivers you are considering at the moment (too high).

    It would be very helpful to decide on drivers first, crossover design follows.

    If nothing else, you have some nice sturdy boxes to experiment with and learn from.

    Cheers,

    -grumpy

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