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Old 21st October 2013, 12:26 PM   #1
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Default Lab View Polar LP Stereo.vi

Hi,

I have an interest in investigating the speed variation of my turntables and have come across a Lab View vi called Polar-LP-Stereo on the PFM forum which will achieve this.(see - Turntable speed analysis - Page 26 - pink fish media) Does anyone know the source of this .vi or suggest a suitable alternative?

I have been using the Platter Speed app which, whilst good, is of limited use.

Click the image to open in full size.

And I can run Lab View vi's.

Cheers,
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Last edited by fasterbyelan; 21st October 2013 at 12:31 PM. Reason: Additional info added
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Old 21st October 2013, 04:13 PM   #2
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I use a strobe and strobe disc. One can see the exact speed and any slight variation straight away.
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Old 21st October 2013, 04:27 PM   #3
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Quote:
Originally Posted by JonSnell Electronic View Post
I use a strobe and strobe disc. One can see the exact speed and any slight variation straight away.
Thanks for your reply.

I have been using the KAB strobe disc for some time. Whilst using this is OK, the Platter Speed app revealed some variations which don't appear to be Wow. I am interested in investigating further to see if it is caused by the idler wheel and/or the motor drive shaft (I use a Lenco).
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