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Old 21st July 2004, 03:35 AM   #31
g13092 is offline g13092  United States
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Join Date: Mar 2004
Location: Chicago 'burbs
Hey Sev & others waiting for an update.

The PL-41 is presently packed away for a move. However, before packing, I established a motor mounting plate & tested out the new pulley, both seem to work well. The maxon motor control seems quite stable & provides plenty of adjustability. I have a 28V supply waiting to feed the maxon controller when I get a new workshop set up. Unfortunately, I never got the old tonearm back on, so I haven't been able to test it some tunes. I'm not so sure I ever want to fit that that pesky tonearm again, as I am still hoping to find a nice Grace 707.

I have all the original motor parts if anyone wants them. According to the fellow I found that worked on these at Pioneer years ago, they do have a tendency to run fast. I still don't get how a synch motor can run faster than the line frequency, but we don't need to rehash this thread from the begining

md
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Old 21st July 2004, 01:29 PM   #32
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Join Date: Feb 2003
Location: Connecticut
I am surprised no one responded to your question about whether the bearing was supposed to be lubricated -- it has been my experience that the lubricant used can have a noticeable affect on speed. And its possible that the turntable was designed to run a little fast -- that way people could use dustbugs or similar record cleaners whose drag can slow down the platter. Also at the time the PL 41 was made, typical tracking weights were higher, and that too would tend to slow things down.
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