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boom3

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  1. I am searching for a tech who is willing to to perform two things: (1) restring the dial on my 1959 Zenith Trans Oceanic model 1000 and (2) clean the bandswitch on my 1973 Trans Oceanic model 7000. My long-serving engineer in New Orleans is effectivly out of the business. I am hoping to find someone in the central U.S. South. I was an ET but I think both of these are beyond me, and I don't have RF test equipment. I have already asked the Antique Radio Forum; got lots of views but incredibly, no responses at all. Thanks in advance!
  2. "1491: New Revelations of the Americas Before Columbus" by Charles C. Mann
  3. It was Whitefish in Michigan. It tasted...white
  4. https://www.rollingstone.com/music/music-pictures/art-of-noise-museum-sfmoma-1235029840/01-milton-glaser-dylan-poster/
  5. Sorry to chime in late, i seem to do that a lot...Dinsdale's three-part article on horn design, in Wireless World, March 1974 is one of the best compact explanations of horn design. I had the Badmaieff and Davis book years ago, too. Learned a lot from it in my early days of speaker tinkering. Don Davis worked for Paul Klipsch back in the 50s. More math-heavy approaches, and some different perspectives on horn design, may be found in D.B. Keele's articles in the Journal of the Acoustical Engineering Society (JAES). Keele also worked for Klipsch at one time.
  6. The original "Miracle on the 34th Street."
  7. boom3

    British Whodunits

    We are very fond of our British Whodunits, in no particular order, Miss Marple (Joan Hixson), Midsommer, Endeavor, Poirot (David Suchet series) , Father Brown (the second series), Murder in Paradise...we also like Murder She Wrote which we consider an honorary British Whodunit because it fits the pattern so well. One thing we've noticed in all these is an eagerness for the perps to confess...unlike American shows of similar genre that are very lawyer-centric. Another is that there is rarely any mention of people other than the perp being charged as accessories, when that's a factor in almost all US "crime dramas". We used to watch Law & Order when Jerry Orhbach starred.
  8. I just realized the OP was last year...oh well...my advice still stands
  9. Crater Lake is fantastic and hopefully it will be open in October. Also, Lava Beds National Monument in northern Cali is great; it has lava tubes to explore, and don't miss Petroglyph Point, a huge set of petroglyphs . In Oregon, the Rogue River can be seen at a number of state parks. The Rogue has many manifestations and each view is different.
  10. The good folks over at Antique Radio Forums/Phonographs might be able to help you, try: https://www.antiqueradios.com/forums/viewforum.php?f=9
  11. boom3

    mh Audio site

    There was once a site: http://www DOTmh-audioDOTnl that had a number of speaker design calculators. This morning, it seems like all the links I have for that site are dead. There is another "MH acoustics" but they are a US-based professional consulting and microphone company. Does anyone know what happened the "mh-audio" ? thanks
  12. Maybe to get an inductance value not obtainable in "standard" values? Having worked with EE's in design and production environments, I can tell you that the choice of any component's form factor is dictated by what is available (considering lead times and source consistency) and what real estate (in three dimensions) is allowable. I used to have a General Radiotelephone license (commercial, not amateur) and recall that some of the test questions were theoretical and not things you'd be likely to find in real practice.
  13. I would search the Forum by the driver series numbers, i.e. K-43, K-44, K-77, K-53, etc and see all the posts that address the permutations of the part numbers. For example, there have been several threads on the K-77 lineage. From these posts, you can get an idea of what part numbers were used in each Heritage model across time. You probably know that for many years Klipsch bought drivers from Stephens, Eminence, Atlas, Electro-Voice, etc and applied their own QA, so, for instance, the "stock" T-35 EV tweeter is not the same as a Klipsch branded K-77 of the same year. The specs for the Klipsch speakers usually list the drivers for each model, so if you can find the factory listing online, or as a print brochure, you can find the part numbers there. As far as electrical specs, AFAIK, these have been measured after the fact by Forum members; Klipsch did not routinely publish electrical specs on individual drivers.
  14. As a historian, I can identify with this thread very closely. My first book was published in 2009, and the second in 2018. Each project took about five years. The amount of online info posted between those two projects amazed me. Much less working the microfilm for the second project. One thing I discovered that many libraries have subscriptions to newspaper and other databases, and you can access them if you have a library card. That was a big help. Some of these library licenses, alas, are only "educational" or "academic" ones. For instance, I was pleased to see my local library has access to the New York Times archive. I was disappointed to learn their license only covers issues up to 1919.
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