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newandold

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  1. The original Allison Eight (on the ends) would make for an awesome center channel speaker for the right setup. Bill
  2. That is extraordinary and fun to look at for sure. A number of things come to mind as an experienced Ebayer buyer and seller. A bulk sale such as that is a bust unless the buyer “steals” them (relatively speaking) an resells them individually over time.....either way, a daunting task....putting cabs like that together with individuals who have ALL the drivers, parts and the necessary skills to replicate (as advertised) working systems. Yeah, a few guys (mostly here) could pull it off but a pipe dream essentially. Bill
  3. Hi Tom, I have only used “ear measurements” on that wonderful convex driver, ever since I first owned them in 1977, in the Allison:One. A few guys on the Yahoo forum years ago, talked about “renewing” the fluids, both the silicone grease in the tweeters, (3 way) and the ferrofluid here, but there were never posted completed, before and after test measurement results. I missed them if they are out there. Back in 2012, I sent 3 of the newer midrange units out to Bill Legall to re-center the voice coils (slight rubbing). I never asked him if he touched or did anything with the cooling material. Once you get continuity and sound out of that midrange, there are only two things I’ve noticed that radically impact the sound. A damaged voice coil, which sounds typically like any other blown driver, and the voice coil rub, which is awful when it happens....adding distortion that kills the show. Actually, there is one other, and that is over tightening, or unevenly securing the midrange into the cabinet. This problem, I believe, is unique to the midrange with the newer plastic bezels. Over tightening that one stresses the voice coil and reduces the drivers normal output volume. Bill
  4. You bought the wrong tweeters, unfortunately. You CAN, get away with using them in the 9, but you bought 2 way tweeters designed to operate to spec. In models 4, 5, 6, and 7. They look identical, but use ferrofluid, rather than silicone grease cooling material. These days, you’re lucky to come up with anything at all. Bill
  5. Admittedly, I'm too lucky in that regard. Not long ago, someone saw my living room and said it looks like a bachelor's pad. My bride is a huge fan of the Home Theater, and that has given me creative license in that room. A 115 lb. subwoofer sits in the corner, and I think it was at least a year before she even asked me what that was.
  6. Then, the Ebay advertisement photos, must make you cringe just a bit. The distance from the side walls is good but too much gear in the corners choking off the reflective effects of the systems. I started with the Allison:One in 1977 and have had the opportunity to test every placement option of the non box, prism (or semi) within reason and the design parameters. I found 3 to 4 feet away from an unobstructed corner is cruicial to get the best out of them. Optimization of the bass is much different, when comparing the LST to the A1, or IC20, as the latter are floor standing systems. Bill
  7. You said it! If you wanted to go the quasi surround (quad) mode and stay vintage, the Phase Linear 4000 is still not too hard to come up with.
  8. I think that’s the right number for LST’s in such fine condition. That number is right about where I was back in 2012, when bidding on a pair of Roy Allison’s IC 20’s. Always I compare the values of those two systems that RA had his hands on. I’ve yet to have the chance to hear the LST and be able to judge the differences for myself. Bill
  9. Hi Lou, Yes I agree it should be an excellent paring. I made use of that “Ambience” circuitry, continually and kept it around 2 o’clock or so....opened up the soundstage nicely. Some purists have a tendency to dismiss that kind of embellishment, but my ears liked it! Years later when I made one serious system for both film and music, I was back to Carver (Sunfire) with his Theater Grand Processor that has an evolved version of that circuitry. Bill
  10. Seen this one...….? Miles Davis with the 2ax
  11. I had an 11 year plus run with the Phase Linear 2000 preamp that I bought new, around 1978. Very clean and neutral sound. It’s not as dead quiet as other preamps between source material, but a minimal issue. It should pair nicely with the Hafler, but I ran mine with the Phase 400. I also had a pair of the 2ax, but they were long gone by the time I got to that point. I think you’ll have a great combination on your hands with that setup. Very Spartan inside that 2000, When you take off the cover, there’s almost nothing in there! (Compared to a modern component) Bill
  12. Turns out I don’t have hard copy on the THREE crossover....however I forgot about saved files on another computer of mine that has a good size Allison File. I’ll check that in a few days and won’t post on this again unless there’s a file attached! Bill
  13. I’m pretty sure I have a copy of the original 3 schematic. Away for a few days but will post it when I get back.
  14. The sound of the Allison Acoustics loudspeaker is superlative in, or out of the Home Theater 🎭 environment. Automated room correction can be helpful when a particular room presents certain challenges but isn’t absolutely essential....powerful manual calibration can handle the job fine and sometimes better especially with Subwoofer integration. I use my 29 driver Allison system for both music and film and rely on an individual base line set up calibration for each. Bill
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