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  1. Replies
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    The 129 and 128-1 are exact acoustic replacements...

    The 129 and 128-1 are exact acoustic replacements for each other

    https://manuals.harman.com/JBL/HOM/Technical%20Sheet/L65B%20ts.pdf

    Rob:):)
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    It's a simple 1st order series 6db crossover....

    It's a simple 1st order series 6db crossover. That said I have never used them always parallel, every JBL crossover is parallel as are most others. With the Heil there would be no advantage because...
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    'I swapped out the E-145 for TAD 1602 with good...

    'I swapped out the E-145 for TAD 1602 with good results . so its tad 1602 2118 mid and the amt for the top i like what i here ,sounds promising . now i would love to get it all passive x-over any...
  4. Thread: D8r435al-1

    by Robh3606
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    145

    Acoustically no. When I built me Arrays using...

    Acoustically no. When I built me Arrays using coated 435's I had to adjust both attenuation and shift a filter pole because of more output above 5K of so from the Be.


    Rob:)
  5. Thread: D8r435al-1

    by Robh3606
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    Yup I can confirm all but the 2430. Rob:)

    Yup I can confirm all but the 2430.

    Rob:)
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    I would use the same box volume as the 4315 and...

    I would use the same box volume as the 4315 and just build a removable top baffle like the 4343 and keep looking for drivers. That way if you find them you can just change the baffle for the new...
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    Get a pair of Heil drivers and try a 2 way. I use...

    Get a pair of Heil drivers and try a 2 way. I use Heils with 121A's subwoofer variant of the 124's. Sounds good running active with a simple notch filter. Or you might be able to use 2118h's for the...
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    Hello Martin Yes 2235/2122 2035/2122/2123 The...

    Hello Martin

    Yes 2235/2122 2035/2122/2123 The E-145 is my favorite.

    Rob:)
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    Hello Speakerdave Don wanted an MTM design...

    Hello Speakerdave



    Don wanted an MTM design for Project May.



    They moved away for the 10 going all the way back to the original Everest. But I believe that had more to do with matching...
  10. Hello Earl That would be John Nebel and...

    Hello Earl

    That would be John Nebel and especially Ann Cantelow who did the work of getting them back. I can't thank her enough for making some of our key members part of the forum again.

    Rob:)
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    Very Nice! Rob:)

    Very Nice!

    Rob:)
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    Hello Mortron I have used both the hard to...

    Hello Mortron

    I have used both the hard to find 2122 and am currently running 2123's. They are both excellent drivers. They will not work as well under 100hz than crossing them at 300Hz in .5cuft...
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    Hello DogBox The biggest differences are...

    Hello DogBox

    The biggest differences are either the diaphragm material changes of aluminium vs. Ti.

    If the diaphragm is coated with aguaplas and last but not least the phase plug changes.
    ...
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    Sticky: Great thanks for posting this! I stuck the thread...

    Great thanks for posting this! I stuck the thread as a reference under the Tech Forum

    Rob:)
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    You are supposed to do a sweep open as part of...

    You are supposed to do a sweep open as part of the install before the cover is on. There is no reason you can't screw on test leads where the regular leads would go. The frequency sweep range and...
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    Hello Bedrock Thanks, you downloaded the newer...

    Hello Bedrock

    Thanks, you downloaded the newer version try the older 2002 they have both the 14A and H loaded as well as many other JBL drivers or just load up the T/S parameters into the program...
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    Look up Win Isd and use that to determine a...

    Look up Win Isd and use that to determine a preliminary enclosure size. The Le-14 is a loaded JBL driver in the database. I used 3.8 cubic ft for my Array bases Le-14H-3.
    ...
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    Well that didn't work out! Some of my best...

    Well that didn't work out! Some of my best sounding drivers use paper cones. Go figure?

    Rob:)
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    This is what I would be building mirror imaged...

    This is what I would be building mirror imaged though L240ti Silly starting with a clean slate to not just go for it.

    ...
  20. Thread: Paragon Bass

    by Robh3606
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    Hello Roger Beautiful system! I have no...

    Hello Roger

    Beautiful system!

    I have no first hand experience with a Paragon however I have with Altec 604's. I also run E-145's in my mains which are a direct descendant of your 150's.

    If...
  21. I never knew this happened! Rob:(

    I never knew this happened!

    Rob:(
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    No one mentioned the L240?? ...

    No one mentioned the L240??

    https://manuals.harman.com/JBL/HOM/Technical%20Sheet/240Ti%20ts.pdf

    Rob:)
  23. Thread: JBL 308p Mk2

    by Robh3606
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    "Iím considering the 708p speakers for my next...

    "Iím considering the 708p speakers for my next small HT."

    Now that could make a nice set-up! So have you heard them?

    Rob:)
  24. Thread: JBL 308p Mk2

    by Robh3606
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    Well I must say I am impressed! They are newly up...

    Well I must say I am impressed! They are newly up and still integrating the subwoofer but the imaging and detail are really nice. Very consistent with distance. Have the HF trim at -2 as I am in...
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    You might want to ask Bill if he could send you a...

    You might want to ask Bill if he could send you a couple of the shipping boxes he uses to get your woofers there safely. You never know he would probably be more than happy to give you a hand getting...
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