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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: Re: my 10B experiences sound like... posted by Steve O on November 29, 2006 at 17:07:07:
Hi, Steve:Much thanks for the follow-up regarding the optocouplers. I guess it has been quite a while since I obtained what I needed!
There has never been a definitive answer to the apparent "spontaneous loss of detection" issue with the Marantz 10-B, but some have alleged it to be cause of weak front-end tubes. There is a 6DL4 and another one in there which some say, trigger the problem. John Atwood, of One Electron, owns a 10-B and even he told me that this happened to his tuner. He believed that the probable cause might be some sort of feedback loop phenomena.
John once mentioned that the more he used his tuner, ie, the longer he left it on, the less the problem occurred.
In other words, we must keep experimenting in the hope that someone comes up with the actual definitive cause!
The guy who runs L & M Electronics in San Francisco once cobbled up his own circuit board to replace these optocouplers and that was just about twenty years ago. I am not an engineer, so I definitely do not have the expertise to design such a drop-in circuit.
However, in the days of Audio Amateur Magazine, someone might have published their own solution!
Hey, if anybody out there is clever enough to do this, by all means SHARE THE INFORMATION while FM broadcasting, as we know it, exists!
Thanks again!
Richard Links
Berkeley, CA
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Follow Ups
- Re: my 10B experiences sound like... - Marantzguy 14:55:05 11/30/06 (0)
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