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    Not for everyone, I personally prefer to build...

    Not for everyone, I personally prefer to build them this way for my own use.

    Barry.
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    In a proper 2234, the addition of the mass ring,...

    In a proper 2234, the addition of the mass ring, making it a 2235, drops the Fs by an average of 2.4 Hz and drops the 1kHz Level by 2.7 dB SPL. This was measured when I built six 2235ís in one...
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    Pretty cool there Lakebilly. For the active...

    Pretty cool there Lakebilly.

    For the active crossover are you looking for something very basic like an analog Rane AC22 or something with DSP as well?

    Barry.
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    The Dr is correct. The magnet is 1/16Ē of...

    The Dr is correct.

    The magnet is 1/16Ē of an inch thicker and has more strength. The top plate, pole piece and basket is identical so all the geometry for the coil, spider and surround landing...
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    Hello Kay; If and how one could source these...

    Hello Kay;

    If and how one could source these cones from Hitachi I do not know.

    What I wanted to say is that a 2234-2235 cone kit with any other paper will not be ďthe sameĒ even all the...
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    One point of interest is the proper cone for the...

    One point of interest is the proper cone for the 2234-2235 is and has always been made by Hitachi. It is considerably stiffer and harder paper than most other JBL cones. This paper was sourced for...
  7. I have never seen the series three PCA. Thank you...

    I have never seen the series three PCA. Thank you Widget.

    Like the review I find using a PCA in just the sub signal path can unbalance an otherwise well integrated system.

    Now if I could...
  8. I have two solutions that please me. dbx...

    I have two solutions that please me.

    dbx has a what they call AutoWarmth. This is only used in the ZonePro and 4800-4820 units. The ZonePro is likely below the quality to be used in your full...
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    I just (Jan 2020) bought four C8R2235ís from JBL....

    I just (Jan 2020) bought four C8R2235ís from JBL. I can check in the morning to see what they have on the shelf if you like. I donít think these are NLA, yet.

    Barry.
  10. HI Tom; Would you entertain anything other...

    HI Tom;

    Would you entertain anything other than these two devices?

    I won't dilute your thread if not.

    Is this for the 4365's? Are you still using the Array1500's?

    Barry.
  11. Hello jmp! .5 to .65 cubic feet sealed filled...

    Hello jmp!

    .5 to .65 cubic feet sealed filled with light loose fiberglass is the sweet spot for 2123ís when they are used like we are discussing as an upper mid bass / midrange.

    While the 2123...
  12. Hello Thomas! You will laugh, I have never...

    Hello Thomas!

    You will laugh, I have never had any 2012ís. I look from time to time for them but havenít bought any.

    I recone just about everything I use and since JBL quality isnít what it...
  13. Sorry for being a goof. I absolutely love...

    Sorry for being a goof.

    I absolutely love the 2123. I am a dynamics nut and the clear reality the 2123 so easily delivers makes me want to use them in every system I build.

    I have 10 more...
  14. I have heard very few systems that couldnít be...

    I have heard very few systems that couldnít be improved upon with the proper addition of a 2123. :p

    Barry.
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    I liked Yesterday. Bohemian Rhapsody didnít suck...

    I liked Yesterday. Bohemian Rhapsody didnít suck either. :)

    Barry.
  16. Wasnít that horn originally developed for a...

    Wasnít that horn originally developed for a shaded response overhead lectern speaker?



    Barry.
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    One thing that I believe contributes to our...

    One thing that I believe contributes to our general fondness for the 2245 is that for some reason we tend to use them properly. It is a nice compliant low fs woofer that is well suited for a very...
  18. Just a crazy thought: Point the horn...

    Just a crazy thought:

    Point the horn forward and remove the cover from the HF driver and let that bounce around off the back wall. ?

    Barry.
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    It looks like you have lots of fun ahead of you!...

    It looks like you have lots of fun ahead of you!

    Barry.
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    Oh right thatís helpful. There are many...

    Oh right thatís helpful.

    There are many possible reasons this forum is dwindling in activity and this attitude just might be one of them.

    Barry.
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    Poll: Easy trigger! Who said anything about force.

    Easy trigger! Who said anything about force.
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    Poll: Oh man I hope she reconsiders. My mom just...

    Oh man I hope she reconsiders.

    My mom just had her lenses replaced at 72. Having crystal clear vision again changed her life in ways we never imagined. Sheís always been happy and active but now...
  23. Thread: Sub18

    by 1audiohack
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    Sorry Scott. I made some space. :) ...

    Sorry Scott.

    I made some space. :)

    Barry.
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    Hi Guys; Thank you Jeff. That shot is a...

    Hi Guys;

    Thank you Jeff. That shot is a D16R2441 at 2 meters.

    These files are not on my laptop. My home shop PC is packed in a corner but I can check the two at work to see what if any...
  25. Thread: Sub18

    by 1audiohack
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    I just ran impedance at 8V driven by the I-TECH...

    I just ran impedance at 8V driven by the I-TECH with a VI box and impedance peak is 26.7Hz.

    The ports are 12.75-13.Ē Long. The port radius is about 0.75Ē. Itís not exactly a radius as it has a...
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