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Found 11 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 have managed to secure a pair of AR-5's. They were one owner speakers. On initial inspection, they seem to be quite good. The cabinets are very nice, as is the grill cloth. The woofers and mids work, I'm not sure about the tweeters. I need to do the battery check on them. The controls are iffy, no surprise there. The woofer surrounds are completely shot, also no surprise. One has holes in it, the other is solid but very fragile. I'll hook that speaker up and give it an extended listen before I start restoration on it. I ordered and received a refoam kit from Vintage AR. I hooked the "good woofer" AR5 up to my "classic good system" and have listened to it for about an hour with it on the right and one of my AR2ax's on the left. My impressions are what @stupidhead's were in his comparison video. First, the difference in efficiency is huge. Not small! Second, it doesn't sound significantly different from the 2ax. It is leaner and a little cleaner through the mids, the highs I'm not sure, because I'm not convinced the tweeter is working. The woofer sounds exactly like the 2ax. However, there is punchiness through the upper bass that 2ax tends to slur. It's that midrange! Overall, the sound of it is very, very similar to the 2ax. The tonal balance is just about identical. The controls are super dirty, and fooling with them causes distortion and cutouts. I know that midrange is fragile, so I'm not going to mess around any more until I restore the speakers. The other speaker has a bad woofer. I removed it because the surround had holes in it, and I didn't want to do anything other than ensure it worked. The surround easily pealed off, which was good. But, not so good was that the voice coil former has separated from the spider most of the way around. I'm going to have to figure out how to fix that. Both speakers seem to be much newer than my 2ax's. There was a styrofoam gasket behind the woofers in both, and each cabinet had a small serial number/ID tag on the back. There was no obvious sign that they'd previously been repaired, although there was a really sticky substance on the surrounds of the woofers. I don't know if they came that way or they'd been treated later. The grill cloths had been previously removed, and it was done well. Based on that, I tend to think they've been molested some how. I'm going to get started this weekend on the restoration. I've got to get the woofers refoamed. Hopefully I only need to re-glue one voice coil former! I have to figure out how to do that. While they're open, the controls need cleaning and the caps will be replaced (unless they already have been, I don't know yet). The tweeters may have to be sent out for repair, that's undetermined yet. I will keep you all appraised!
  3. For many years—perhaps from the very beginning—AR had a difficult time selling their products in typical audio salon showrooms. In fact, from 1954 until around 1974, AR made no attempt to cultivate good dealer relationships. Nevertheless, and despite the lack of dealer success, AR outsold nearly every other speaker manufacturer worldwide for many years without a strong, formal dealer network. How was this possible? AR products traditionally had the highest ratings and best reviews, but a prospective speaker buyer would never know it to visit the typical, small hi-fi showroom where one usually encountered a negative vibe in a showroom when an AR speaker was being demonstrated. Many times, dealers would "doctor" the speaker, reverse the polarity, turn-down the level controls or place the speaker inappropriately or disadvantageously for good A-B demos with competing products. Some dealers felt that customers would enter a store, make a decision to buy an AR product and simply go out and order it from the Allied Radio or Lafayette catalogs. Was it due to.... 1. Low dealer profit margins? 2. Lack of dealer salesman "spiffs" paid by AR? 3. Lack of dealer promotionals? 4. Lack of dealer co-op advertising? 5. AR's lack of "hand-holding" and blasé attitude towards dealers? 6. AR's traditional laissez-faire method of doing business? 7. Other reasons? Give examples of experiences you've had in dealer showrooms where AR speakers were intentionally maligned, "bad-mouthed" or "doctored" in order for a dealer to steer an unsuspecting customer to another product. —Tom Tyson
  4. For the first time ever since I have been watching the auction site for ARs a pair of 5s turns up - in mahogany a bit bumped around here and there, but nothing tragic, Grilles a bit grubby, but pretty intact. Nicely consecutive numbers..... ....the first time I have bought any ARs in the UK without speckled backs... Alnico woofers with flat caps..... ... ....both cones of which move freely. Boston FFs on order. I noted as per previous threads..... ......fibreglass between Kimpac and woofer. First time I've seen that. Woofers have very, very faint dates, in red, on the actual metal.... which seems to be Sep 23 1971. Crossover is all wax caps, and the later coils #10 and #11; ....with an immense amount of degraded rubber foam (the other one is worse). MEK is the only thing that seems to shift that stuff... Pots range from the usable to the wretched and includes a melter... I think I will have two good ones for the mid units, and will just put a jumper across the bad ones to max out the tweeters. I can't imagine they will be too bright. One 4uf cap seems to have survived quite well and one not so much....but still not too bad... But I'll be replacing those I think. I will test the double tomorrow; I'd be interested to know what anyone thinks the ESR should be, either on the double or the 4uf. If I change the double, which I expect to have to do, I will be preserving the old case, I hope, as per Roger's AR-5 resto of a few years back, and stuffing it full of paralleled caps. (Although the writing on his was very nicely preserved, whereas mine is wrecked by gloop.) Both tweeters measure 5.6 ohms, so I'm hoping they're OK. Chuffed to bits with these; but working in a 10" hole is a bit of a test.....I thought the AR-3a was tough.... Tim
  5. for sale pair of Acoustic Research AR-5 speakers new unopened in original boxes from the late '60s or early '70s. these were acquired from a US service member stationed in Germany in the late '60s who purchased a set of four AR-5s intending to set up a quad system. shortly after the purchase he was shipped back to the states and never got around to building the quad system. amazingly he held on to the set of speakers for nearly 50 years never opening the boxes. These are the exact same speakers I bought in 1974 .... If I had the spare change I would drive over the hill and get them just for the sake of nostalgia. These are not mine by the way. I posted it for general reference. They are currently on the auction site at ebay# 331996148422 Notice the butyl sealant AR used on woofer foam which TomT mentioned was also used on the AR-3a surround. Roger
  6. There is an early pair of AR-5's up on the auction site in Fallbrook, CA. They look like they are from the first months production as serial numbers are under 500. I would be tempted if my cash flow wasn't dried up at the moment. Cabs look a little distressed. Also interesting to note the front and back panels appear to be AR's version of MDF rather than plywood. The dust caps on the woofers do not appear to be domed shaped but the later flat versions. Were they replaced or did AR mix them up from the start? Item #: 371702253845 Roger
  7. Hey folks been a while - preoccupied with kids and all (two and through... hopefully). Finally getting back to the ARs and removed the cone / spider to find that the coil windings had partially come apart in the magnet. I found a few threads with some discussion on options for replacement but didn't see much on results. Apologies if I just missed it. Chances these can be rewound? I am able to reinstall them but they don't lay clean. If I was able to, it's clear I would need a glue of some sort along the way to hold in place and keep them flat. Otherwise, I know I could recone but I'm trying to preserve as much of the original as possible. If winding is not an option, can you just replace the coil? What are best currently available parts? Reading other threads, looks like John at M_sound closed up shop, which is where I ordered refoam kits previously. - Sean
  8. I sidelined my Ar-5 project last year after popping a dome on one of the tweeters. After listening to the latest addition to the covey (seems like a suitable moniker for a bunch of speakers), Ar-58s for a few weeks without any EQ and one modified crossover I decided to try some AR-12 tweeters in the 5's without any crossover mods. Interesting ... I wasn't holding out much for them since they came with the usual crushed dome shipping off the auction site. The seller assured me he always ships speakers that way and never had a problem! They are not as clean sounding as the 58s' but a major increase in upper range. After not listening to the 5's for awhile they are definitely a speaker for apartment dwellers but it is so easy to get hooked on the 12" bass ... I often wondered what a system would sound like to a youngster with good ears that had been equalized by an old codger a bit shy on 20-20 hearing ... something of a rhetorical question. Roger
  9. Compelling AR "Hindsight" Questions: Instead of the 3-way AR-5 with its excellent, expensive midrange and tweeter, should AR have made a good 3-way bookshelf unit using the AR-3a 12-inch woofer and an AR-2ax-type midrange and dome tweeter—at the AR-5 price point—to better compete with (or outgun) the Large Advent? It would use the AR-3a-size cabinet, but it would not include the expensive midrange-dome driver or solid-wood grill molding. It would look like a slightly larger AR-2ax box. As we all know, the AR-5 was (except for deep bass) technically superior to the Advent, but it failed in the market place because of its lack of low-end "punch" and its relatively high price. The AR-3a was definitely (and technically) superior to the Advent in deep bass, but it cost nearly twice as much. Therefore, would a watered-down 3-way, using the heavy AR-3a woofer, been the answer? Another angle: perhaps a 2-way design with a redesigned, Advent-like 10-inch woofer and a new mid-tweeter, capable of a lower crossover? By the time of the AR-14, these things were seriously contemplated, but it was too far down the road to try to catch the Advent's sales advantage. The AR-14's bass fell squarely between the AR-3a and the AR-5. Another angle: should AR have designed the AR-5 with the AR-2ax's cone midrange and dome tweeter, but a more-potent, lower-resonance 10-inch woofer that would be equal to the Advent 10-inch woofer? This woofer would have the same low-resonance response of the Advent, but it would lack the extremely low distortion, potent output of the bigger AR-3a 12-inch woofer. Each of these designs might have cost less than the original AR-5, but looking back, hindsight is 20-20. Would any of these designs been the answer in 1968? Thoughts... comments? —Tom Tyson
  10. VINTAGE 2 PAIRS ACOUSTIC RESEARCH AR-5 SUSPENSION LOUDSPEAKERS #121611630063 “Original boxes and original packaging.Keep the garage about 40 years.Perfect used .condition.” I would be tempted if I had the cash flow One grand delivered in the original boxes. I don't expect they will last long at that price/condition.
  11. WTB the following loudspeakers systems: (01 pair) very-very-mint (in original condition or restored by a pro) AR-4xa; (01 pair) very-very-mint (in original condition or restored by a pro) AR-7; (01 pair) very-very-mint (in original condition or restored by a pro) AR-5. With the original shipping boxes. It will be shipped to Miami, Florida.
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