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Turntable Tachometer and motor speed controller
Turntable Tachometer and motor speed controller
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Old 17th October 2020, 09:51 AM   #241
scobham is offline scobham  United Kingdom
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Join Date: Mar 2008
Location: Merseyside
Hi Mick, thanks and do you have PID control enabled or not?
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Old 17th October 2020, 10:31 AM   #242
mickhick1 is offline mickhick1  England
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Join Date: Oct 2004
Yes, PID settings are as per your defaults for LP12.
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Old 17th October 2020, 02:44 PM   #243
themcneills is offline themcneills  United States
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Join Date: Sep 2008
Hi all, I had been building a DIY speed controller for my Lenco but this looks like such an elegant self-correcting solution. Will there be a third group but at some point?
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Old 17th October 2020, 04:22 PM   #244
scobham is offline scobham  United Kingdom
diyAudio Member
 
Join Date: Mar 2008
Location: Merseyside
Hi, no there will not be a third Group Buy as demand is dropping off. I do however, have some partially built boards that I can finish if you want a fully assembled board. If you use the Group Buy 2 link and fill that out I can ship you one. Although the parts kit and external enclosure are listed these are no longer available.
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Old 17th October 2020, 10:53 PM   #245
yoyoc is offline yoyoc  Puerto Rico
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Join Date: Sep 2004
Location: san juan
Amp almost complete, just need to finish the connection cabling for the turntable.
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File Type: jpg IMG_20201017_162405.jpg (500.1 KB, 78 views)
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Old 20th October 2020, 06:54 AM   #246
submat50 is offline submat50  Slovenia
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Join Date: Jun 2011
@steve


I made an order for the board the day before yesterday.
I found it very difficult to fit it into my turntable.
So I cancel my order.

Matjaž
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Old 20th October 2020, 02:10 PM   #247
iaRIVR is offline iaRIVR  United States
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Join Date: Dec 2018
Location: St Paul, MN
Turntable Tachometer and motor speed controller
Looks like I'm late to the party! I have a TD125 with a bent motor shaft, if I can't source a new motor I am starting to look for alternatives and this seems very good.
1) Any PCBs/controllers left?
2) Any reason this wouldn't work with a 125 (w/ an appropriate motor)?
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Old 20th October 2020, 06:01 PM   #248
sachu888 is offline sachu888  India
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Location: India
Does this work with TD 150?

Regards
Sachin
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Old Yesterday, 11:30 AM   #249
scobham is offline scobham  United Kingdom
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Join Date: Mar 2008
Location: Merseyside
Hi iaRIVR & sachu888, I don't know the kind of motor in all turntables but I think the Thorens 125 & 150 probably use 2 phase 24 pole 115V synchronous motors. (I did a quick google search). If you can confirm then yes the controller is suitable in native form. If it's a shaded pole motor you will need a Class D booster amp and transformer as well. This has been discussed in earlier posts.

I do have some partially assembled boards I can finish to make fully assembled units. Fill out the Group Buy 2 link - noting there are no external enclosure options or kits available.

iaRIVR - yes should work providing you get a compatible motor. Quite a few members have used on Thorens TT's.
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