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About ar_pro

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  1. What effect will the absence of damping material have on the midrange drivers?
  2. How about "Friday On My Mind", by the Easybeats, followed by "Friday On My Mind", by David Bowie? Covers Oz and the U.K. https://www.youtube.com/watch?v=3iW2_Ec3uEU https://www.youtube.com/watch?v=oCgNCczbixc No kidding, I really admire the work done on this restoration - a skilled, well thought-out approach to bringing these nice old speakers into the 21st Century!
  3. That's a beautiful job, powerglide, just beautiful. Your work on the lettering for the rear panel sets a new standard!
  4. This is shaping up to be a fine restoration, with lots of excellent advice & direction from guys who have been down the same road. I had a friend whose brother once owned the very same Sony equipment, along with an early Sony direct drive turntable (maybe the PSE-4000) that he used with enormous custom JBL speakers; the guy was kind of a jerk, so we only got to hear the system once or twice, but it was pretty impressive. This particular Sony equipment has some classic Japanese design elements that make the preamp especially desired - they commonly sell for close to a thousand dollars, depending on condition. There's a review of the TA-2000 in the December, 1968 issue of Audio magazine that can be found at the American Radio History site: https://www.americanradiohistory.com/Audio-Magazine.htm The power amplifiers suggested all have their merits over 50 year old equipment, especially when it comes to increased power output and the ability to handle low impedance loads like your restored AR-3a systems with ease.
  5. The AR-91 switches are really well built & very dependable - are you sure that you need new ones, Briodo?
  6. How about these guys? http://www.theloudspeakerkit.com/loudspeaker-components/crossovers-components/?pgnum=4
  7. Yes, 500 watts sounds about right! These are among the most power-hungry speakers I've ever encountered - they're like a sponge for wattage.
  8. I'd wondered about that - I know that painted surfaces can sometimes leave a "shadow" on the veneer after the paint has been removed. Any further thoughts on a stand for the AR-90? Just poking around on Google Images brought this up:
  9. Stimpy - How does the side veneer look without the paint? Is it close to the color of the unpainted section? Your idea for the stands is really interesting. I prefer the sound of the AR-91 with its tweeter at the same height as the AR-9. Here's what Forum member Tom Tyson had to say about the Acoustic Blanket back in 2005: They may not sound quite as good, but the acoustic-blanket stuff is 80% marketing, 20% functional, in my view at least. I tend to agree. I'm completely biased about the appearance of the blanket and the vinyl stickers on the front panel, but listening to AR-9's in the far field - maybe 15-20 feet - I never missed the blanket. ☺️
  10. That, and it's pure hell to remove! I never realized that the AR-90's front panel wasn't veneered, Stimpy. The AR-90 cabinet also lacks the slightly chamfered transition seam between the front & side panels that's present on the AR-9.
  11. I think that the concept of near field imaging is a more recent construct, say the past 30 years or so, with highly directional monitors establishing the performance parameters for near field imaging, and reviewers creating the language used to describe the effect. The same sort of thing has been going on with headphones for the past couple of decades. Far field imaging was baked into the commercial application of early home stereo reproduction, and was certainly important in the design of the AR-3, AR-3a, and AR-LST systems. Since this topic is probably headed for the Other Speakers Forum, let me put in a plug for the far field imaging capability of the Magnepan 3.7i and 20.7 ribbon models. In a large-enough room, with significant available power, there's really nothing like them; "spooky" is an understatement.
  12. The Sansui 8080 is a nice vintage receiver that should perform well with most bookshelf AR systems; extreme adjustments of the tone controls shouldn't be required, and are probably not desirable. Out of curiosity, do you happen to own any speakers that sound good with the Sansui running at "flat' settings?
  13. This is a good observation. A lot of attention is justifiably paid to AR's acoustic suspension woofers, but the dome midrange is in the DNA from the AR-3, onward, and definitely helps to establish the playback quality that we all appreciate & enjoy. Excellent documentation, Giorgio - this will be a big help to anyone working with these mids!
  14. Looking back on this thread, as Steve F has pointed out, an 8" 3-way system using AR's top shelf mid & tweeter would not have fit into the Classic lineup; the best opportunity would've come with the AR-9 series and thereafter. The market for smaller monitors of extremely high quality was just about to take off, and AR could've been a part of that event. It might also have required an updating of their speakers' fit & finish if they were going to compete with compact monitor manufacturers like Wilson Audio, ProAc, or KEF; but this would probably have taken the line into the realm of premium-priced loudspeakers. Utilizing AR drivers, Mark Levinson probably could've done something very cool with a top-quality 8" 3-way design, but it would not have been inexpensive.
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