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AB3CX MIke

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About AB3CX MIke

  • Rank
    Member
  • Birthday 06/06/1951

Profile Information

  • Gender
    Male
  • Location
    Central NY
  • Interests
    Audio, Poker, Ham Radio, 78 RPM jazz, blues, Tennis
  • My System
    Mcintosh MX130, McIntosh 206, Cornwall III, Onkyo R1 CD, Technics Turntable

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  1. https://www.facebook.com/marketplace/item/2805160063101433
  2. https://www.facebook.com/marketplace/item/2426173944346399
  3. Cooperstown. Some call it the Leatherstocking region after James Fenimore Cooper.
  4. Thanks for the info, that works!
  5. I have an opportunity to acquire a pair of KHorns but would need to find a new owner for these. The story is that an older couple ownd these since 1978, passed them to their son in 2017 who passed them to a friend who sold them to me. I recapped the AA crossovers with Daytons, but have not done anything else. They are painted a light brown, and are in decent shape, very presentable as is, but one badge is missing. Sound is great, all original drivers. $1200 takes them. My pictures are too large to upload so contact me and I'll send a set to you via PM
  6. It seems like 8 months ago youy could buy Chorus II for 750-800, those days are over. Why not just get a nice used pair of Cornwalls at this point?
  7. https://watertown.craigslist.org/ele/d/lehigh-valley-beautiful-vintage-1970s/7150409549.html $3500 is asking, look nice
  8. https://syracuse.craigslist.org/ele/d/liverpool-klipsch-forte-speakers/7182950753.html Forte I's reasonable price
  9. https://www.facebook.com/marketplace/item/2739293369726799/
  10. https://www.facebook.com/marketplace/item/347548999749939/ $3500, look very nice.
  11. One last question...The crossover thread for AA's suggests disconnecting the Zener diodes. Please explain why and what was their function in the first place which is not needed now?
  12. Here is the result of the capacitor check: ( all caps removed from circuit before checking.) the two high value caps were Sprague 14 ufd 150 VDC. One measures 15.2 ufd with 0 ESR, the other 18 ufd with 0 ESR All four of the 2 mfd caps were CDE rated 200 VDC. They were all pretty much spot on and all four had 0 ESR also on the meter. So none of them were leaky. I decided that since 13 mfd is the correct value per the posted schematic for the crossover high value cap, to put new matched ones in for those two. To my surprise, I did decide the audio improved, notably. So I replaced the rest. My music test for speaker quality is Mozart's Clarinet Concerto in A Major. Having worked in antique radios for years, I had always thought that a cap was a cap, if it was good and on target for value. So my experience set me up to not expect an improvement in sound. I would have to say that the clarinet solos sounded crisper, not as diffuse and the orchestra just better. Maybe having gone to all the trouble we become biased to hear improvement, hard to say, this is not an A/B test clearly. In any case, certainly recapping does not in any way seem to degrade the sound, so I'm now a convert and will recap in future. Some of you experts please look at the pic of the caps I removed and let me know if these were originals, or themselves replacements?? IMHO the soldering looked factory and undisturbed and have seen alot of radio chassis. As far as the discussions about various brands of caps, it should be noted that there are only so many cap factories in the world, so the small volume higher end caps are probably made in someone's larger plant, like many craft beers.
  13. I bought a walnut pair 5 months ago for $700 from AudioClassics, and sold them 3 months later for $750 in order to trade up.
  14. I thank all for the input. Over the next few days I am going to do an "experiment". I am going to use a component tester to check my new caps for value and ESR before installing them. I'll swap in the new for old and check the values on the old ones. Of course the subjective or sound test is the one that counts, but I'm curious how the old caps may or may not have held up. Component testers are now very easily purchased and can quickly analyze individual caps or circuits, of course these are static and not dynamic tests under load, but they convey some idea of component quality.
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