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  1. For detailed specs please make contact with very...

    For detailed specs please make contact with very knowledgeable reconer LH member 'edgewound' via private message here or through his Facebook page I believe under Upland Speaker Repair.
  2. The early D130's are known to have narrower gaps....

    The early D130's are known to have narrower gaps. Not sure when the change was made, but probably by the mid-fifties. Coils made for the majority of D130's may not fit or may be so tight as to be...
  3. I see the D130 doesn't have a cone. The other...

    I see the D130 doesn't have a cone. The other one also?
  4. Not sure when the differences between the D130...

    Not sure when the differences between the D130 and the 130A/B/C would have been fully established. The D130A may not be exactly like either; I don't know. Those look quite early and very clean. I...
  5. I read somewhere long ago that the problem with...

    I read somewhere long ago that the problem with using two different drivers over the same frequency range is that the system will decay twice as many ways. That's probably approximately true.
    ...
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    Great!

    Great!
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    Mentor GT states that the 4345 was set up with...

    Mentor GT states that the 4345 was set up with asymmetrical slopes. You might be able to approximate that with the STD 10B. Member BO went with the LR and worked with Bryston to get a card tailored...
  8. Yeah, "steep waveforms of explosive loudness"...

    Yeah, "steep waveforms of explosive loudness" (1976 catalogue copy for the 375. I still have my well-worn copy). Love the expression. I suppose in a hard-driven sound reenforcement situation that...
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    You've refuted a claim I didn't make. To say...

    You've refuted a claim I didn't make. To say there is no certainty x is not the same as saying there is certainty non-x. I was just trying to show one of the assumptions being made.

    I too recall...
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    The really ridiculous part is that there is no...

    The really ridiculous part is that there is no certainty the sound heard is created by the system on camera.

    Fatuosity, long a key assumption in hi fi promotion, in certain situations has been...
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    Although you will find primarily JBL discussion...

    Although you will find primarily JBL discussion here, there is also some appreciation for Altec, Tannoy, Klipsch and TAD and passion for historic Lansing Co. And any brand or era you could think of...
  12. Would that be David Davidson? I think I saw at...

    Would that be David Davidson?

    I think I saw at least one good idea in there. Separate woofer boxes with the woofers moved up in the panel to minimize floor reflections in the upper bass--you will...
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    I haven't used this crossover, but it does have a...

    I haven't used this crossover, but it does have a following. I am not sure it can be considered a finished product, and perhaps should be seen as an experimental beginning point.

    Hiraga's...
  14. The diaphragms are made for the same frequency...

    The diaphragms are made for the same frequency ranges.

    The long throats in legacy compression drivers are based on a design created at the beginning of movie theater sound, when the goal was a...
  15. Well, to begin with, there's the importance of...

    Well, to begin with, there's the importance of getting the model designs clearly in mind and the model numbers correct when asking questions about them.

    Then there's the fact that Edgewound has...
  16. No, it isn't.

    No, it isn't.
  17. No it doesn't.

    No it doesn't.
  18. Are you saying higher frequencies require greater...

    Are you saying higher frequencies require greater excursion?
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    I believe a phrase may have been left out of that...

    I believe a phrase may have been left out of that claim, and I think I can fill it in: ". . . As close as possible for somebody who doesn't care what he does or says."

    As for the asking price on...
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    The driver in that link looks more like a 2001.

    The driver in that link looks more like a 2001.
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    I think the mass breakup point of beryllium is...

    I think the mass breakup point of beryllium is theoretically 15k or so. Whatever the problem was in the 4001, it was fixed in the 4003 (and 2002). There are hints in the literature about mechanical...
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    Consider starting with the JBL 2328 2" throat to...

    Consider starting with the JBL 2328 2" throat to handle the transition from round to rectangular cross section and building a wooden adapter to tie together the two rectangles of the throat exit and...
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    Discount cone kit no labor charge.

    Red flags for me, too.
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    I agree with this. Fat chance, basically, of...

    I agree with this. Fat chance, basically, of finding four clean 2231's. Also, I tried 2235H's in my 4333a's in place of the 2231's. Although I went back to the 2231's because I didn't think the...
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    You mention both the 3160 and the 3182. The 3160...

    You mention both the 3160 and the 3182. The 3160 could conceivable have been used for a woofer/midbass handoff. I don't know what a 3182 would be doing in that speaker other than the same thing. ...
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