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https://www.americanradiohistory.com/Archive-Audio/80s/Audio-Best-Of-Vol-I.pdf Review of SP-10MK3 on page 72.
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mikebarney,
Is your Technics SP-10 power supply project an upgrade over the original?
And you can get the power supply from redstone electronics?
Is your Technics SP-10 power supply project an upgrade over the original?
And you can get the power supply from redstone electronics?
Sorry if this question was answered before:
Did anybody tried to check how much time it takes to the platter to stop from 33.3tr/mn when the turntable is switched off?
Did anybody tried to check how much time it takes to the platter to stop from 33.3tr/mn when the turntable is switched off?
Without.
Just to check how free the platter is turning. (I should have written "unplugged" rather than "switched-off")
Just to check how free the platter is turning. (I should have written "unplugged" rather than "switched-off")
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Oh. Ok, that's different. Because the electronic brake won't engage either.
To answer your question, I have no idea. It should take a while.
To answer your question, I have no idea. It should take a while.
On my SP10 with the mechanical brake removed the platter takes 21 seconds to stop from 33rpm when you turn off the power supply, it takes 13 seconds to stop if you leave the PS on and turn the TT off with the start/stop switch.
Yeah, that's what I think too. So it seems that I have a problem.
I own my SP10 or three years. When I bought it, I replaced the thrust cap with a new Torlon one, the ball with a [FONT=Arial, Arial, Helvetica]SiN4 Ceramic and use [/FONT][FONT=Arial, Arial, Helvetica]SFWO 010 oil to lubricate the bearing.[/FONT]
[FONT=Arial, Arial, Helvetica]I never checked the "free spinning time" of the platter and lived happy for three years.[/FONT]
[FONT=Arial, Arial, Helvetica]But last monday, I read a discussion about that (but concerning a Denon DD) and decided to do the following test, just for fun: running the SP10 at 33.3rpm then unplugging it.[/FONT]
[FONT=Arial, Arial, Helvetica]HORROR!!! The platter kept spinning only 15s before stopping (on my former TD160 or LP12, it was more than 1 minute).😱
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[FONT=Arial, Arial, Helvetica]There's certainly something wrong. The turntable is still turning at the right speed with no noise, but now that I know that, I'm worried.[/FONT]
[FONT=Arial, Arial, Helvetica]This afternoon, I read the following thing about the bearing:[/FONT]
[FONT=Arial, Arial, Helvetica]"[/FONT][FONT=Arial, Arial, Helvetica]Technics specify that 2-3 drops should be squirted into the hole adjacent to the sub-platter spindle (see above) every 2000 running hours (that’s not much, every few years). This means that the oil ends up in the shallow ‘well’ formed around the top of the motor bearing sleeve and then can slowly seep down to lubricate the sleeve & bearing shaft. In other words, the sleeve (and ball) does not need to be pre-filled with oil."[/FONT]
[FONT=Arial, Arial, Helvetica]TECHNICS SP-10MkII turntable – Pt 2 | D a r k L a n t e r n[/FONT]
[FONT=Arial, Arial, Helvetica]I remember having pre-filled the bearing, three years ago. Is it possible that I put to much oil and that this overfill has a kind of slight braking action?
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