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    I did indeed. Dyslexia R Us

    I did indeed. Dyslexia R Us
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    Also used in the 4842 sub enclosures in the 4800...

    Also used in the 4842 sub enclosures in the 4800 concert series. Very capable PA type sub driver . FEATURES: - JBL Professionalhttps://jblpro.com › 4842-information
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    This is the right answer for obtaining the...

    This is the right answer for obtaining the results closest to flat response. Even more exacting would be to measure the acoustic output with FFT software such as REW or SpectraFoo at the desired...
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    In the hifi world with a single pair of speakers...

    In the hifi world with a single pair of speakers operating in a room at one time it is merely a curiosity. On live stages in the late 70s and early 80s with multiple speakers in use at the same time...
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    How was that an incorrect answer? It quite...

    How was that an incorrect answer? It quite literally describes the state of the wiring diagram without the diagram. If you refer instead to the polarity inversion that JBL observed when these...
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    TLDR version is that the black stripe on JBL...

    TLDR version is that the black stripe on JBL internal wiring goes to the black terminal on the driver.
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    Reinventing the FDS360 ?

    Reinventing the FDS360 ?
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    The standard of the industry ...

    The standard of the industry

    https://www.pomonaelectronics.com/products/hardware/binding-post-gold-plated
  9. Well that goes a long way toward explaining why...

    Well that goes a long way toward explaining why I never thought much of the La Scalas in the demo room at the hifi store I worked at in the late 70s. You've lost me on the output transformer for the...
  10. So was every speaker designed before the early...

    So was every speaker designed before the early 1960s. Why does that mean avoid the NAD?
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    I can underscore door number two there. I've been...

    I can underscore door number two there. I've been listening to 12" mid bass ( either 2202s or 2206s ) between 15" lows and 2416 drivers on 2344 horns for close to ten years now. The improvement over...
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    The wires on the back of the cone going to the...

    The wires on the back of the cone going to the input terminals are called the flex leads or sometimes tinsel leads. What counts with those is that they don't touch each other or anything else. ...
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    The crossover schematic displays for me. Perhaps...

    The crossover schematic displays for me. Perhaps check your user settings on the forum or maybe a different browser. BTW, great inductor symbols Ian. What software is that?
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    If your drivers currently have titanium...

    If your drivers currently have titanium diaphragms you may find that the Radians are a bit more pleasant to listen. I do with 2426s on 2344 horns, and most other horns TBH.
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    The original suggestion was for a 3 Megaohm...

    The original suggestion was for a 3 Megaohm resistor as in three million ohms. 3k would be three thousand. DigiKey or Mouser will have carbon film resistors that will work. If they don't have that...
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    Rewiring without the switch ( the no schematic...

    Rewiring without the switch ( the no schematic reading version ).

    Rotate the switch to the desired biamp or passive position.
    Don't rotate it again after this.
    Mark one of the switch posts...
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    I suspect the salient element of the discussion...

    I suspect the salient element of the discussion now is the consequences of a failure when driving speakers that simply cant be repaired under any circumstances. I was a service tech for a Crown...
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    For use when driving compression drivers its...

    For use when driving compression drivers its standard procedure to install DC blocking capacitors in the speaker enclosure for just that purpose usually sized to roll off about two octaves below the...
  19. Hah, just scrolled up and reminded myself you...

    Hah, just scrolled up and reminded myself you already had a pair of 2445s. Forget I said anything.
  20. As you suspect Mazza the DeltaMax speakers I...

    As you suspect Mazza the DeltaMax speakers I described were a 'PA' speaker, your basic 15" woofer in a vented box with a 2" throat compression driver for high end. It was widely recognized as a sort...
  21. That was my observation after having run about...

    That was my observation after having run about two dozen DeltaMax clone boxes as a B system for about a decade. The four boxes that had 2445s rather than the stock DH1s were clearly rather harsh...
  22. Just as an exercise in making the best sounding...

    Just as an exercise in making the best sounding speaker system from your existing set of boxes and drivers? Put the 2226s in which ever pair of boxes is tuned the lowest. Put the E130s in the other...
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    I suspect Clair had horns made to their spec by...

    I suspect Clair had horns made to their spec by Community or DDS but I also suspect less than a few hundred of such horns existed back in the day and fewer now. If the OP wanted to recreate them now...
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    The horn looks like a variation on a DDS 60x40....

    The horn looks like a variation on a DDS 60x40. Those pop up on eBay occasionally with a two bolt throat drill out. They need a metal adaptor plate to mount three bolt 1" drivers. A very popular horn...
  25. Thread: Jbl 4435

    by Riley Casey
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    As opposed to simply swapping the polarity at the...

    As opposed to simply swapping the polarity at the input terminals on the back of the enclosure?
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