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Found 6 results

  1. >I also recall having read the same detailed information from Stereophile, and I assume its correctness against what appears to be a sort of revisionist article containing conflated timelines, unattributed premises and boot-strapped conclusions. >I've been wishing & hoping for Tom Tyson's definitive AR history for years...would a GoFundMe effort be in vain? —ar_pro Book: The History of Acoustic Research Any and all suggestions and ideas here would be greatly appreciated! Any thoughts about what you would like to see would be great as well. To do a complete history would be difficult, but a history of the "Classic Period," from 1954-1974 (or 1980 perhaps) in one part and the Teledyne/International Jensen/Recoton/Voxx period in another part or in a revised edition. The most important part of AR history is the first 25 years or so. Anyway, please reply with your thoughts and ideas, for example: The best title for such a book? The period covered with this book; part of all? The amount of detail to be included in this book? The size of this book, a small book with 150 pp or so, or comprehensive with perhaps 300 pp? The other questions you might have. There are also many people here on this website with detailed knowledge of specific aspects of AR history and technology. Therefore, give me ideas about how you would like to see such a book. —Tom Tyson 06Jun2017
  2. I found this bit of irony embedded in the Allison Archives. Here is the link if you want to read http://www.classicspeakerpages.net/library/allison/other/technical_articles_by_roy_f/technical_articles_by_roy_f_20.html#previous-photo Here is the ironic part.
  3. I looked at a pair of all original AR9’s for sale. Of course they need refoaming but the main concern is NO SOUND from either high tweeter. (meaning the high tweeter on each speaker is not sounding) The speakers have had 2 mature owners and reportedly have not been abused (and show no signs of it). Is this more likely to be the tweeter itself or the attenuation switch? The switches for the low mids and the mid range dome function properly. This would not be a result of missing jumpers on the back panel speaker wire connections could it. (the jumpers were in place but possibly may not have been making contact- but I’m thinking since the low mid and the mid dome were working that all circuits were getting a signal) I was unable to do any diagnostics at the sellers house and an agreed price could not be settled on so I passed on them. Looks like used tweeters run about 100.00 each give or take. Did not find any used attenuation switches for sale. I would rate cabinet (1 chip) and grill (some light pilling) condition a 7 or 8 out of 10. Opinions on likely culprit? What is a fair price to pay for these in this state? Thanks!
  4. Hello everyone, I opened my AR9 to check insides, see if original capacitors ..etc. Actually an impressive set of coils and caps inside. Question: My sealing gaskets are rock hard, I'm thinking I have air leak. What are the recommenced sealing gaskets or sealing tape for the 12 inch woofers? I read in the manual that each time you open the woofer the gasket needs to be replaced; does this sound reasonable? Here my pictures. Thanks for your input. Bill
  5. A 100 mile drive (each way) made me the proud owner of a pair of AR9's and 10pi speakers. The 10pi are almost perfect. Just a small back corner chip on the top of one and dirty and thirsty for oil. They should clean up nice. The drivers in the 9's are all good. One speaker has lifting of the veneer on the side/bottom. The MDF has swelled some. These too need a good cleaning. The side grilles are original and all but one has a small hole in the fabric. The front grilles have been replaced and need to be stretched better. Its odd but these have the plastic pegs reversed - mounted to the cabinet and plug into the grilles. Also, I have a few broken ones. A few small nicks here and there but not significant. They are beasts and my back will attest to that. Having trouble uploading the full pic of the 9's
  6. I bought a pair AR9s new when I worked at Teledyne MEC in 1980. I really enjoyed listening to them over the past several decades but, unfortunately for me, I've developed severe tinnitus from years of motorcycling and various acoustic traumas and I can no longer listen to music (or ride). It is quite heartbreaking. So these awesome speakers have sat unused for the past 4 years and I know I need to part with them, I'm just unsure how to go about it and I thought this forum would be the best place to start. I don't know how to determine their worth. Although I can't hear it do to high-frequency hearing loss, my wife belives one of the speakers has developed a high-frequency hiss. Let me know if you guys need more info. I appreciate your help. I'm in the SF bay area.
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