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    I have started seriously on the 750B. I replaced...

    I have started seriously on the 750B. I replaced the quarter-inch jack inputs with RCA phono jacks. I wanted sturdy rubber feet on it, and there are four holes already drilled in the right places....
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    Just starting restoration of 750B and 750C

    This thread has been extremely helpful and even inspiring. I recently became owner of a BGW 750C quite accidentally through a friend, and expected a lot of power but the same faults I had heard with...
  3. Hearty agreement. That's not changed by any...

    Hearty agreement. That's not changed by any subsequent posts.
  4. Or one of those doohickeys like a superfine comb...

    Or one of those doohickeys like a superfine comb where the steel-pin teeth push in to make a copy of any surface curve. That photo makes it look do-able, but is the throat transition something...
  5. Belated thanks for the great new info posted...

    Belated thanks for the great new info posted here, such as the FR of the TAD 4001 with EQ. Since my living room system includes the 1601a and TD-4001 on TAD clone horns, this greatly interests me!...
  6. I noticed that Mr. Yuichi has published plans for...

    I noticed that Mr. Yuichi has published plans for a vaneless or finless 290hz horn, called A-290FL, linked from this page:

    http://www.geocities.jp/arai401204/Horn_Page/Horn_Speakers.html

    I have...
  7. Claude Rains(Louis):The waters? What waters?...

    Claude Rains(Louis):The waters? What waters? We're in the desert.
    Humphrey Bogart (Rick): I was misinformed.



    Me too, and with the compensation scheme Ian mentions.

    That's the problem...
  8. Great work! Some surprises

    Compared to the others, the Truextent diaphragms do not appear to have any special FR extension in the 14K to 20K range.

    The Yuichi and Edgar do not differ as much as I expected. This is all...
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    Amen to that. Mine keeps asking why I don't...

    Amen to that. Mine keeps asking why I don't implement a proper gain structure with the bi-amping, and questions my use of damper diodes for a preamp power supply. She still loves me though, and I'm...
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    DIY Diaphragm Users are Few

    I really doubt Brush-Wellman's business plan is counting on DIYers. I think they are after the pro market for replacement diaphragms, and that's why they emphasize durability as much or more than...
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    System used

    Sine waves. :p

    Not sure if you meant equipment or music, but someone else asked about the electronics and the rest of the system, and I didn't see an answer. It was a two-way with a TAD 1601a...
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    I've got a pair of those giant Imperials

    Nice link! I have a pair of these beasts in my basement, and it is quite amazing what they can do with JBL LE15B drivers (and with Tannoy dual concentrics, and with Altec 515E's ...) Even with...
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    Check this guy's find....

    Check this guy's find.
  14. You mention that this will be in an...

    You mention that this will be in an econowaveguide two-way, right?

    Can you go 15" despite width constraints? You want some slam, and you want efficiency to keep up with the compression driver......
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    +1 = :applaud: :applaud:

    +1 = :applaud: :applaud:
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    Heh.

    Heh.
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    Beautiful!

    Lovely to look upon, heaven to touch,
    It's a real shame they got to COST SO MUCH.

    300,000 yen = over $3000 USD

    I posted this link on the Facebook group I just created, called Wood Horns for...
  18. The hard-to-read footnote says a signal warbled...

    The hard-to-read footnote says a signal warbled from 100-500hz, and NOT the inflated 1Khz figure used by other manufacturers for drivers not intended for use over 800hz. My horn loading is probably...
  19. This is true... and I would hate to move them...

    This is true... and I would hate to move them regularly. But years ago I managed to park this pair in my basement, and I'm just now getting them to work up to their potential. They are...
  20. Thanks!

    Specs, technical tips, and history too! All great answers to a mundane question. Thanks, everyone!
  21. I believe you when you say it has no real bass --...

    I believe you when you say it has no real bass -- IN AN ORDINARY PORTED or SEALED BOX. In a very very large backloaded horn, it's a different matter.

    On Saturday at AK Fest I bought a pair of...
  22. Right, and the entrance of horns matches that,...

    Right, and the entrance of horns matches that, just shy of 2"... Okay, here's what I'm doing: I just purchased a pair of handmade Yuichi A290 wood horns (beautiful ones made by Woody Banks). A...
  23. Are 2" driver exits/horn entrances really 1 15/16"?

    I am going to buy a bit or hole saw to make a hole the size of a 2" driver exit. What size for a 2"? Who's buried in Grant's Tomb, right?

    But they don't measure 2", they measure about 1/16" shy...
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    Great 2226 front-loading results! Horn dimensions???

    This is very very interesting to me. I have a pair of 2226 I'd like to use in a 3-way. I've got tractrix-horn loading from 200-800, and am looking for horn-loading below that. Would you please...
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    T350 is MUCH larger than T35

    Here's a T350 in its natural habitat, in this case an EV Georgian 400. Sorry there's not much for scale, but it's a BUNCH larger than a T35. Speaking of which, I have a dead T35 and couldn't easily...
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