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About alkermes

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  • Birthday February 2

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    Beverly, MA

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  1. How cool is that ;--) Felice anno nuovo!
  2. The higher voltage caps give you a bigger safety margin, eg. 21v on the schematic vs. 25v as spec'd, using a 35v cap makes it less likely the cap's rating will be exceeded in operation. Without putting a meter on it it's hard to know for sure what the actual voltage is. You want to use what you find for values on the actual unit, maybe slightly higher for voltages. Some capacitance values are no longer commonly used, such as 2000uf, so as Kent says you then go up a bit to 2200uf as the next best choice (not less).
  3. I hope you bought them! I wonder if they are any relation to Pioneer and Coral speakers of the era.
  4. Ouch, that's too bad. Hope you get replacements you ar4e happy with.
  5. alkermes

    KLH Model Six

    Nice restore as usual. Did the earliest versions have grille frames, or was the fabric glued on? Looking forward to hearing about your speaker comparison. I think I'd favor the 6's over the Fives, but that is going on memroy.
  6. I wonder how one of the 19's would sound connect to a Model 21 radio.
  7. Sorry, but I don't have any spares. My smaller Advents are sitting in the same location where I had OLA's. However the electronics have changed so i can't do an exact apples/apples comparison. I very much liked the OLA's, but in this space I prefer the smaller Advents, they don't call any attention to themselves, they seem smoother. They play nice at low and high volumes. In some ways they bring to mind my mid-90's NHT super ones; they don't do anything wrong. I'm sure there are better speakers, but for me, they work as very pleasant companions. Good luck with replacement drive
  8. Irresistible!!! Thanks for the vicarious pleasure of almost being there.
  9. My speakers also have the green tweeters, did they come in different magnet sizes? Date stamp on one is 1972, not sure what the other is dated, as one of them was a replacement. Now that I re-read your post, I think you are asking that you want a replacement tweeter?
  10. Pete, something doesn't seem right here. I have a pair of recapped, refoamed smaller Advents that get a lot of use, and they are pretty good speakers. Nothing at all as you describe.
  11. Hu sells (or at least he used to) a replacement crossover board with new caps, terminals etc., if you want to go that route. You can also buy replacement woofers from him if yours are truly cooked.
  12. What is the issue with your drivers? If they need refoaming, you can buy new foams, or send them out for re-foaming.
  13. First of all, congratulations DavidR, I am envious! Good luck with your restoration, I'm sure they will be marvellous. Glenn's tip just caught my eye, I had never thought of a cast-off cabinet as a source for veneer. Someone was showing me a pair of derelict Optimus speakers which have a beautiful veneer. Maybe there is a way to repurpose them, they are large speakers, lots of nice veneer (looked like walnut).
  14. alkermes

    ADS L520

    Congratulations, you did well! I also lucked out once, when buying some equipment a few years ago, I ended up with a nice record collection which I have enjoyed ever since. Probably the best part of what I brought home, since I don't remember what the primary object was anymore! Like Glitch, I hope as well that you'll post your further impressions about the speakers when you have a chance.
  15. alkermes

    ADS L520

    I had a pair of L520's that I really loved. However, they didn't look like these ones. They must have been a later model, they had wood veneer and metal grilles. The ones in your photo do not evoke the warm memories I have! It's possible the earlier models used foam surrounds, so make sure to check them out, and of course make sure the tweeters work also. These may be good speakers, or not, I hope you find them to your liking.
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