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newandold

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  1. 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
  2. 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.
  3. 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
  4. I have seen 10 inch 4ohm woofs that looked like these also come from Allison. I bought 1, guessing around 1994. Only difference from your pictures was that the cone had a protective coating painted on it. It sounded fine, mixed in one cabinet with an original, unlike the eminence. Those last years of Allison saw many changes as they were going out of business, transitioning to Stanford Acoustics among other things, that I know only bits and pieces of. Outsourcing woofers was definitely one of those things, so it’s very possible the woofers you show, though not originals may very well have once shipped from the company. Bill
  5. This is an older replacement woofer, from Allison Acoustics, appearing much closer to the original.
  6. rFrom top to bottom: This composite pic. shows 3way tweeter, midrange and woofers offered by Allison around 2001 or so, with the Eminence woofer pictured on the bottom. The non ribbed cone and and large dust cover are very distinguishable from the originals.
  7. The hour is late, but I have plenty of pictures.....give me a couple of days, and I'll put them up! The Eminence has a much larger dust cap and cone that distinguish it from the originals. I think they would be fine for All except in the A1's they need to go in as a matched pair. Additionally, the gaskets need to be doubled up when you put 2 in the old A1 cabinets otherwise, the magnets bang into each other, as they were intended for the newer generation A1. circa 2002. Bill
  8. I have one of those “eminence” woofers NOS. that I bought in 2000. Actually, I bought 2 at the time. One went away on EBay inside one of the A1 speakers sold off years ago. I should sell this one soon before the surround deteriorates. At that time they were approved by RA in the reincarnated A1s but I found out they don’t mix well (One Eminence, one original) in the same cabinet. I was using a Subwoofer with an 80hz. Crossover, so the difference under those conditions was not a problem. Bill
  9. The IC10 Cab. Is an entirely different animal as opposed to the A1. Don’t know if the internal measurements were published with or without the cabs. Populated, but certainly, both A1 drivers forward facing take up much more internal cabinet volume than the 8 inchers with one being inverted on the 10. Front panels on the IC are not flush, but more flush than the One, adding yet more internal volume. Note that the center wood strip in the front of the IC prism is nearly twice as wide as on the A1, that yields more cab. volume within the same dimensions. Bill
  10. Hi Mike, Curious, did you ever pursue this? Bill
  11. Yes I’m well aware the 7s are nominal 4ohm.... I said 120 watts of AMPLIFIER power at 8ohm rms per channel would be a great match for those.
  12. Best suggestion I can offer you in your shopping travels, is to get yourself in the average of 120 watts per channel @8ohm with those puppies. Whatever you come up with, if you can get into that range and even better with a Subwoofer integrated, you will get the best out of those systems they have to offer. Bill
  13. Frank, It’s amazing 😉 that just by hearing the jazz on your video I can pick up the clean, crystal clear sound you’re getting. No frequency range on a smart phone (like listening to the whole thing thru one tweeter) but if your sound was dull or muddy that would reveal itself. Bill
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