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  1. 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...
  2. 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...
  3. No, it isn't.

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

    No it doesn't.
  5. 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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    The McIntosh MC2200 and 2205 (and perhaps others...

    The McIntosh MC2200 and 2205 (and perhaps others of that generation) have taps at 2,4 and 8 ohms. If it meets your taste in solid state amps, I think it would work well for those woofers. I think...
  14. An LE14A may have been glued on the front...

    An LE14A may have been glued on the front originally; in that case the refoam will have to be there too.

    I think A Brown Sound went out of business a couple of years ago.
  15. There must be continental forums for better...

    There must be continental forums for better answers. I would think a European maker would make more sense for availability and service.

    Any used pro amp should be gone through because almost...
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    Poll: Had a conversation with my older son recently...

    Had a conversation with my older son recently about the stages of life, which can be seen in decades, but for that talk I used the more traditional 7 yr interval for life-changing transitions because...
  17. "Punchy". . . hmm. Guess I need to get some new...

    "Punchy". . . hmm. Guess I need to get some new dictionaries.

    But . . . I understand. A bargain has led me down a lane more than once.
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    OIC. No harm in running some wires to them,...

    OIC.

    No harm in running some wires to them, then, but what would your frequency response and dispersion be?

    You could take the backs off and run them as domes--seriously; it's been done.

    If...
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    Yoshi Segoshi paired the Hartley 220 MSG with the...

    Yoshi Segoshi paired the Hartley 220 MSG with the Aurum Cantus G2. Have you tried that?
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    I'm not an expert from the technical standpoint,...

    I'm not an expert from the technical standpoint, but will venture that the relevant feature of tube amps for woofers designed in the tube amp era is the transformer output, not the tubes. That is,...
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    In my experience the answer to the general...

    In my experience the answer to the general question about signal processing is to choose high quality components and minimize the path, especially in the treble frequency range. Therefore, even...
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    The woofer in the photo doesn't have a 2235...

    The woofer in the photo doesn't have a 2235 surround.
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    My best LANSING HERITAGE find was Altec, not JBL,...

    My best LANSING HERITAGE find was Altec, not JBL, and came years ago. I responded to an ad for unused custom PA cabs. When I got to the address the story that emerged was that these two fellas had...
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    Hello--Welcome to the LH forums. I'll try to...

    Hello--Welcome to the LH forums. I'll try to answer your question, though I have no direct experience with that speaker. As poster mbotts indicated in post No. 25 above, when building a new crossover...
  25. There are threads here with ideas about packing...

    There are threads here with ideas about packing for shipping. Some of them turned into debates.

    If there is a JBL authorized reconer near you, ask them to save some boxes the cone kits are sent...
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