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    Poll: Thank you for the compliments. ...and agreed...

    Thank you for the compliments.

    ...and agreed on the image of beauty!


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  2. As a general rule the twin woofer surrounding a...

    As a general rule the twin woofer surrounding a tweeter designs are marketing driven and are not good designs. A pair of small woofers flanking a mid and tweeter are much better from a design...
  3. Your JBLs should have a sensitivity of about...

    Your JBLs should have a sensitivity of about 93-94dB at 1 watt/meter. I imagine your Polks are like most modern speakers and are under 90dB. That said, your JBLs have an impedance of 8 ohms or 10 or...
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    Regarding the use of bolts through the center of...

    Regarding the use of bolts through the center of inductors. Any ferrous metal bolts will change the value (increase) of your inductors. I usually use industrial high temp hot glue to attach my...
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    Welcome to the forum! Yes, all four woofers...

    Welcome to the forum!

    Yes, all four woofers should be 2234H. The 4435 was specifically designed around the response of the 2234H.


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  6. A few more personal experiences. My favorite...

    A few more personal experiences.

    My favorite affordable preamps are from PS Audio. I have had several. I have owned several of the model 4, 4.5, and the 4.6 preamps. All three models have been...
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    That is my understanding. Widget

    That is my understanding.


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  8. If you can swing it, I would go with the 2216ND...

    If you can swing it, I would go with the 2216ND over all of the others.

    The 2235H is an upgrade, but I wouldn't spend the time and money on it as the performance is only marginally improved, the...
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    Keep going, the journey is often even better than...

    Keep going, the journey is often even better than the destination!


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    John Eargle was another great man at JBL. His...

    John Eargle was another great man at JBL. His long list of accomplishments and contributions to audio recording and reproduction are only touched upon in this Wikipedia page:
    ...
  11. Got it. Yes, we often hear people's reviews of...

    Got it. Yes, we often hear people's reviews of vintage speakers, drivers, and electronics... if you can't verify that they are up to spec, then you don't really know what you are listening to.

    The...
  12. Can you elaborate? Widget

    Can you elaborate?

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  13. First, the PR15 is functionally the same as using...

    First, the PR15 is functionally the same as using a port. The primary difference is that the use of a PR does not require cabinet depth for a longer vent tube that is sometimes needed and there is no...
  14. I have owned the original Phase Linear 400, the...

    I have owned the original Phase Linear 400, the Carver M-400 cube, and some other cool gray Carver amp whose details escape me. None have particularly impressed me. I do think Bob Carver is a very...
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    Doesn't look like it. What type of info are you...

    Doesn't look like it. What type of info are you looking for?

    Here is a page from our Library section that has a listing of the optional builds available in 1962:...
  16. A few things. First, you need to verify that...

    A few things.

    First, you need to verify that your speakers are working properly. Make sure all drivers are playing, try changing the settings etc. perhaps get help from a more knowledgeable person...
  17. I hope the stuff doesn’t remain tacky! :D ...

    I hope the stuff doesn’t remain tacky! :D


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  18. Perfect, thanks! Widget

    Perfect, thanks!


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  19. Is this the stuff? Widget .

    Is this the stuff?

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    .
  20. Promises? Threat seems more apropos. :banghead: ...

    Promises? Threat seems more apropos. :banghead:

    I forgot about that thread. In this thread Mac and Ian pointed to JBL's moves towards the CI (custom install for the uninitiated) market sector as...
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    Poll: FWIW: It was an accidental discovery for me too....

    FWIW: It was an accidental discovery for me too. About 18-19 years ago. :D

    Welcome to the "old geezer" audiofest.

    By the time I was twenty-five I had sold all my JBL horn systems I scrounged...
  22. I’m confident that Samsung will make money with...

    I’m confident that Samsung will make money with JBL and Harman... and there are interesting developments. Samsung Pro is rolling out a commercial cinema LED display wall that is promising. Since LED...
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    A bit off topic, but a forum member told me...

    A bit off topic, but a forum member told me privately that he purchased a pair of JBL’s replacements for the 476Mg. They are called 877Mg and appear to be Radian drivers with JBL built diaphragms....
  24. Awesome, where did you find it? Widget

    Awesome, where did you find it?


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    I guess we all assumed you followed basic trouble...

    I guess we all assumed you followed basic trouble shooting 101 before deciding to jump into opening up the drivers.

    Did you try swapping your left channel 476Mg with the one on the right? This...
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