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Old 16th March 2004, 09:17 AM   #21
sreten is offline sreten  United Kingdom
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I'm no expert on motors, but an incorrect capacitor
value will not affect speed as far as I know.

AFAIK you need two phases 90 degrees apart for a
synchronous motor, and the capacitor is for phase
shifting.
I've read if they are not 90 degrees you get more
vibration, but I don't really know.

Replacing the capacitor/capacitors seems like
a very good idea to me for an old turntable.

sreten.
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Old 16th March 2004, 09:34 AM   #22
Raka is offline Raka  Europe
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Well, I work in a motors company, but I'm not an expert either

It doesn't change the speed, but can do it with the torque, so the slip changes, so does (slightly) the speed.
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Old 26th March 2004, 04:01 AM   #23
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Hi
Don't trow money into sony or pioneer junk turntable. Buy or built a real turntable.
i used to have a "high end" pioneer record player. Lot of tics and pops.
finaly decide to buy a used Oracle Delphi 4. Result: the lp must have to be in really bad shape to hear noise with the music. It's even better than my cdp.
Daniel-a
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Old 28th March 2004, 12:33 PM   #24
g13092 is offline g13092  United States
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Thanks Daniel-A, but I can't throw in the towel just yet. I'm tinkerer & learning alot from these decks. I've come to the conclusion that it's worth messing around with these for now as I have nothing to lose if I wreck one of these. Maybe down the road I'll get into a higher end machine.

I will admit that the sony is a bit cheap in some respects (plastic base, not so heavy platter), but I haven't given up on it yet. I am learning quite a bit about setup & tweaking, even with this seemingly cheap deck. If I could find out what the proper compliance rating is (no manual), I could match up a resonably priced pickup. Right now I have a pickering TL-3 for which I do not know the specs, I have no idea if it's right for the arm. Mainly, this deck will be used with the computer for transfers to CD.

The pioneer is a well made deck with a good bearing. If I can get the speed right & get the arm set up well (or swap in a decent arm, Grace 707 or RB250), it should be adequate for my existing system. Again, learning quite a bit from experimenting with this table.
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Old 29th March 2004, 04:01 AM   #25
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hi q!
good idea to use them as learning tools.
Always a good idea to learn ( i'm a teacher!!!)
Daniel-a
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Old 23rd April 2004, 12:10 PM   #26
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Hi Mark !

Have you sorted out that drama with the Pioneer PL-41 TT as yet.
Please let me know.

Cheers,

Manfred
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Old 27th April 2004, 02:35 AM   #27
g13092 is offline g13092  United States
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Well, the table has been completely disassembled & is awaiting a pulley that a friend is machining. This will mate to the maxon motor I plan to adapt to the original motor mounting plate. Then I can evaluate belt aligment & get the motor mounted. I also have a maxon motor controller that should be able to dial in the desired speeds.

Meanwhile, I obtained a grado green on ebay & I am breaking that in on my sony DD table. So far, it sounds great compared to any of the previous carts I have had around here. Eventually, I'll find an arm for the Pioneer (Grace 707?) & get it all back together.

md
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Old 27th April 2004, 04:27 AM   #28
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i'm glad to read what you're doing to learn. i'll wait for any follow up^
Daniel
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Old 11th May 2004, 07:37 PM   #29
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Hello Everyone,
I have a Pioneer PLC-590 turntable with a Mission 774 tonearm mounted. The arm needs new cables for the counter weights. I have been thinking about finding someone who ties fishing fies to
make them. I don't have the arm's instructions anymore so I really
don't know the length it should be.
Sincerely,
Cambe
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Old 20th July 2004, 08:56 PM   #30
sev is offline sev  United States
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hi mark,

I have the same problem with my pl-41! (plus: I have a fairchild 412 that is running too slow. just my kind of luck...).

how is it going with the pioneer? could you fix the problem?

please let me know.

regards,

sev.
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