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boom3

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Everything posted by boom3

  1. Thanks, very interesting article.
  2. A weighted, slow response in my study at the loudest volume I care to use, 96 dB peaks. Interesting spread of dynamic range: "Tramsta Chunky" techno vid: 88-96 dB (8 db spread) "Jupiter" on pipe organ, 80-96 dB (16 db spread) "Kansas City Kitty" 1929 via YouTube: 86-90 dB (4 dB spread reflecting the equipment of the time and the desire for uniform volume level) In my primary listening room (with the Klipsch equipment) I found that 102 dB average with 106 dB peaks is the outer limit.
  3. I had the Stereomaster 333B Tuner some years ago. I had it professionally serviced but the engineer could not find an IF transformer for the AM side, so it was defacto FM only. Even with rabbit ears indoors it was very good. I'm attaching the test report my engineer generated after servicing it. 333B edit.pdf
  4. I forget that not everyone has Apple privileges. If you can read the article, please do so. There is a picture of some engineers using the chamber in the 1950s. One of the men is Arthur Janszen, who was a pioneer (at least in this country) of electrostatic speakers. There's also an interesting digression about the Guinness Book of World Records.
  5. https://www.nytimes.com/2022/11/23/magazine/quiet-chamber-minneapolis.html?action=click&module=Well&pgtype=Homepage&section=The New York Times Magazine
  6. "Stop looking at lower powered tubes and forget solid state. Nothing beats the nearly religious experience of seeing and hearing a glowing pair of tubes in your system."
  7. Re: Wines of Our Youth: I recall Boone's Farm Strawberry at an all-day concert in 1975 in Memphis. My cronies were fonder of Mateus rose, in those oval bottles. These days I only drink whites, red wines set off my allergies. The other wine of yore was Mogen David aka Mad Dog 20/20. Consumed with typical teenage exuberance, that usually led to running into the bathroom/woods to get sick and swearing never to touch it again. Let's not forget that quintessential teen party concoction, Purple Jesus Punch. Recipes vary, but all guaranteed to knock your head off and your stomach out.
  8. Really like his "Up In The Old Hotel", whose cover I posted previously to this thread, and this book is great as well, albeit in more of a newspaper than essay style.
  9. Trying to describe how a speaker sounds in words has been a challenge for audio reviewers since Day One. I don't claim to solve that, but after extended listening sessions to a friend's set of Khorns with many discs, I've come up with an analogy. Speaker rhetoric often borrows from photography-"transparency, clarity, imaging" etc. The analogy that came to me is "resolution". I have a Canon 9600 Mk II scanner that has a resolution of 9600 dpi optical. When I first bought it, I experimented with scanning 35 mm film and slides at higher and higher res. I found that 4800 dpi was the highest I could scan a well-preserved 35 mm negative or slide , and anything above that started resolving the grain of the film. My cross-walk to Klipschorn performance is that they can let me hear into the grain of the music in a way no other speaker can. On a well-recorded organ disc, I can hear the organ "breathing" which may or may not a be a good thing, but again, a unique opportunity. Of course, the organ is the most powerful single instrument, and only a powerful audio system can begin to do it justice. This ties in with PWK's assertion that speakers with low FM distortion allow the "inner voices" of the music to be heard. I tell non-Klipsch (or those not having had the privilege of the Khorn experience yet) friends that until they hear Khorns, they can't fully appreciate the inevitable gap between music live and recorded music. I had the pleasure of hearing the same organ in person at the Naval Academy chapel and on disc via Klipschorns. Reproduced, It can't be the same experience but it's still the best available.
  10. A friend bought some 1986 Klipschorns this spring. Tweeters are Crites CT120 and crossovers are B&K A/4500. Cabs in great shape, think he paid $4K. 1000 mile R/T to get them. As noted so many times, Khorns are easy to upgrade (if one knows what one is doing). In one Dope from Hope, PWK discussed the upgrades then available (think it was early 1970s) and concluded that the Klipschorn had "somewhat less than zero obsolescence. Don't you wish you could do that with your 1948 Cadillac?" or words to that effect. Klipsch used to sell the bass horn individually, many, many years ago. I with I could buy one and have the lab space to try different tops with active crossovers just for my own amusement.
  11. An artist pal updated this for stereo:
  12. The Scott Brothers never cease to amaze me. This will give your rig a workout!
  13. I had recapped Dahlquist DQ-10s in my study for 16 years until Hurricane Michael got them. I saved the Phillips mids. Imaging (they practically invented the modern concept) was superb, and the most life-like playback of solo piano on any speaker. But, in other areas they were not so great, and often sounded like I was listening through a velvet curtain. I replaced them with a pair of homemade speakers using 12 inch woofers, 12 inch PRs, and Great Heils-thanks to Chris on this forum for reminding me how good the Great Heils are, and his help interpreting REW measurements. Not the equal of the four Corn IIs, Klipsch derived center, and Rhythmik 12 subwoofer in the "big set", of course.
  14. Hi, discovered another YouTube maven, "Look Mum No Computer". This guy is amazing. I find his manic Cockney delivery refreshing from some other techno-presenters who lean pompous and self-assured. Anywho, he recently acquired some Leslie modules. IIRC, there was a way to control Leslies from a keyboard. I am not a musician, so I'm unsure how this was done, or which keyboards could do that. Right now he has two PWM modules and independent panel-mounted speed controls on his Leslies; he mentioned there is a "voltage input" which I think means a voltage controlled oscillator that can drive a PWM controller to vary speed. I've seen pro acts that controlled Leslies from the keyboard (think Yes and "Roundabout") and even garage bands with Hammond B3's that could do it. Any insights appreciated!
  15. Some years ago, there were calculators all over the web for these horns. MH audio had one, and there were others. Today I looked at the MH site and all it has is a calculator for backloaded horns. The other calculator links are all dead as far as I can tell. Anybody know where they may be found? thanks
  16. It took me years to find out that the 'noise' at the beginning of "The Immigrant Song" was a faulty effects pedal. Prior, thought it was a tape deck spinning up.
  17. Not defending deception, but this is ridiculous. Only the lawyers make money on class action suits and the average customer gets $1.98 or less. This may well push them out of business, so I hope whoever filed suit will be proud of themselves.
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