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About WMcD

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  1. In the first scenes I see something like a steel 78 needle. Uggg on vinyl. The later scenes show a flip over pick up.. I'm curious about the record disk itself which seems to have the blank area on the outside, shown playing. Could it be a transcription disk? Did they track from the inside to out? Thebes, I'm waiting for your analysis of the art of the sleeve and the record (there might be two). The music is Orleans but is that the art? Overall, a nice presentation. Sort of grandma's music found at a flea market played on grandma's record player from the attic. WMcD
  2. Khorn Placement "technical" data

    Thanks Chris. It looks to me that, in a word, too much behind-ness is not good. Probably people see speakers on the rear wall in a large movie theater and get the wrong idea. Speakers on the rear wall might well be for the benefit of the audience in the very rear of the theater only. As far as split pipe insulation. I was working with a buddy's SK's to get a good seal. I found the split pipe insulation moved into the plywood and its thickness was not sufficient. Therefore I put 1/2 x 1/2 weather stripping on the edge of the plywood and then split pipe foam over that. So this made about 3/4 inches of foam. There is the matter of getting the s;plit pipe foam to go around angles. Some triangular snips with poultry sheers solved that. WMcD
  3. Cornwall a Center Channel Speaker?

    An article reviewing the Cornwall II (first use of the name) is at the end of the thread linked below. You'll see reference to its use as a center channel. It appears to me that the Cornwall before this II had a K-1000 mid and could be used in either orientation. The l is the same for this Cornwall II but it used the K-600 mid. A still later model called the Cornwall was designed to be used upright only. Then there was the Cornwall II with plastic horns. Then the Cornwall III with a K-700 midrange.
  4. WMcD

    Yes. The year was 2001. WMcD
  5. https://www.audioasylum.com/cgi/vt.mpl?f=hug&m=175333&VT=T Maybe Morey James will comment.
  6. Soldering Question

    I think your friend is pulling your leg. WMcD
  7. Meaningful music

    Well said hsos.
  8. speaker lab k horn clones

    I have written about the SK. The price is almost reasonable in Canadian dollars if they are in very good condition with the EV tweeter, and close by to you. I'm thinking about 800 CND is better. But photos may tell. There were a lot of variations. Some Speakerlab built and various levels of kit building. The bass bin is a good copy of the K-Horn bass. There are problems with the two Speakerlab bass drivers. PWK wrote on this. I'm not sure that all their midrange drivers were the same Atlas ones which Klipsch used from time to time. Speakerlab offered 1) their own somewhat cheap tweeter, 2) the EV T-35, and 3) the expensive EV T-350.. They had fiberglass and cast metal midrange horns over the years. Overall, they are not clones by any means and somewhat cheap looking. Particularly cabinet work in the factory version. OTOH, they have a lot in common with the Real McCoy.
  9. For what its worth here is the impedance of a K-33 in a Belle.
  10. Chris, In at least on post you had mentioned something was not a minimum phase system, perhaps in room echos. Could you expand on what is or is not a minimum phase system and what means to us. BTW in an early publication PWK was talking about using amplitude to determine phase (hazy on this) and it might have been that a Hilbert transform did this. Maybe only with minimum phase systems? Very hazy. Thanks, WMcD
  11. Good to hear from you William James. I've posted the newspaper photo of the group picture in the Klipschs' living room and of you are there. WMcD
  12. The simple answer is: voice coil inductance. But this has nothing to do with the autotransformer. Don Keele (my favorite) tells the story: http://xlrtechs.com/dbkeele.com/PDF/Keele (1977-05 AES Preprint) - LF Horn Design Using TS Paras.pdf PWK had a thing for using the minimal number of components in crossovers. I don't know about your KLFs WMcD
  13. Thank you folks for all the comments. WMcD
  14. 1985 Heresy Care

    The word on the forum is that people who call the factory and ask what to use are told Watco rejuvenating oil. I'd recommend that because it is uncolored and thus is to a great extent not permanent. Other Watco products are colored or tinted and might be impossible to reverse. Make note of safety precautions for disposal of cloth or what ever you use to apply Watco. I just put them on an improvised clothes line. I'll suggest you get a buff puff from Walgreens. Use that to apply the first coat and then wipe off with a paper towel. This will loosen up and dust, grime, tobacco tar, etc. It can't hurt the wood. WMcD
  15. It is probably fair to say that The Beatles plus George Martin did change the musical world, along with others. The '60s started with R&B adopted to mainstream America. Then the art form was elevated by Rubber Soul, Revolver, and, Sgt. Peppers to another form. Then there was prog rock which IMHO, was given license by The Beatles. As far as changing the political world, Lennon and Yoko were on Nixon's list, John's peace message had inspired fear in the White House. Of course by then The Pentagon Papers showed that the government had long realized that Viet Nam was hopeless, and pointless. Yet the endemic fear of Communism caused leaders to double down, like a gambler in a losing game. Yes, Lennon was one of many influences which shortened the mindless slaughter and gave a philosophical underpinning to the peace movement. I'll also credit Nixon. He told the big lie of Peace with Honor. At least it was over for the USA. WMcD