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Thread: JBL old school sound comes back!

  1. #1
    Senior Member martin_wu99's Avatar
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    JBL old school sound comes back!

    That is 4367!

    I listened to it carefully at local dealer shop, very impressive,the bass goes deeper than 4365 and very pounchy and rapid.

    Only one question: how to crossover it using outside DSP?
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    Administrator Mr. Widget's Avatar
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    Quote Originally Posted by martin_wu99 View Post
    Only one question: how to crossover it using outside DSP?
    Buy the M2s with the Crown DSP amps?



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    Senior Member BMWCCA's Avatar
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    Where's the UHF driver?
    ". . . 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 Ed Zeppeli's Avatar
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    Quote Originally Posted by BMWCCA View Post
    Where's the UHF driver?
    Ha. Good eye. Maybe it's like the 4430s. Two way with pots for adjusting two bands on the compression driver.
    DIY Array, 2242 sub, 4408, 4208, Control 8SR, E120 Guitar cab, Control 1, LSR305.

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    Senior Member martin_wu99's Avatar
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    Quote Originally Posted by Mr. Widget View Post
    Buy the M2s with the Crown DSP amps?



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    M2 looks ugly
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    Senior Member martin_wu99's Avatar
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    Quote Originally Posted by BMWCCA View Post
    Where's the UHF driver?
    No need for UHF driver at all,4367 use D2 driver
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    Senior Member martin_wu99's Avatar
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    I think there are only 3 speakers that have JBL old school sound:1400 array,M2,4367 among 4338,4348,4365 S4700,S9800,S9800SE,S9900 for so many years
    How to crossover 4367 using DSP?
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    Senior Member BMWCCA's Avatar
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    Quote Originally Posted by martin_wu99 View Post
    No need for UHF driver at all,4367 use D2 driver
    The question really, as Ed recognized, was why the UHF and HF pots on a two-way system?
    ". . . 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 davidpou's Avatar
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    can it be that each pot hit a different frequency produced by the same driver like 8k and 16 k ?

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    Administrator Mr. Widget's Avatar
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    You guys are not really having this discussion are you? Look at the Altec Model 19, the JBL 4430/35, and others... of course the EQ controls are tweaking the network to modify the frequency response.

    I agree with you Martin about the aesthetics of the M2, but the purpose of the 4367 is to have a passive crossover version of the M2, so trying to defeat the design and going the DSP route is going to require a major hack.


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    Senior Member Odd's Avatar
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    Name:  4367 - Copy (2) (800x618).jpg
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    Senior Member Ian Mackenzie's Avatar
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    Check out the 4367 white paper

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    Quote Originally Posted by BMWCCA View Post
    The question really, as Ed recognized, was why the UHF and HF pots on a two-way system?
    I have a 4365 and the pots look the same as the 4367 in the picture. With the 4365 you can see two separate HF sections. It just appears odd to see two adjustments with only one horn......most likely works well however.
    Careful man, there's a beverage here!

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    Senior Member Ian Mackenzie's Avatar
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    Every time I have a seniors moment I wonder about this stuff too.

    But then again my wife says I was born the day I met her...LOL

    It's the same as the older 4430/4435 but the range of adjustment is quite narrow.

    There is an HF presence control and an HF brilliance control.

    This allows slight contouring (or voicing) of the important upper mid range and hf extension to your environment and preferences.

    Its fine tuning only as these controls are full not variable but fixed switch increments.

    GT generally does this sort of thing for a reason.

    My take is he probably found that listener preferences varied in terms of setting up a fixed voltage drive for this network so he incorporated fine adjustment.

  15. #15
    Member Fitero's Avatar
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    I wrote to JBL technical support asking what frequencies were adjusted by both pots and I got a response but forgot where I stored it! Nuts!

    Hang on.... I'll search some more files...

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