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Turn table speed variation question

I've always found that tracks containing sustained piano notes (chords mainly) seem to highlight the smallest variation in platter speed.

However, I do not notice the same speed variations with sustained notes played on any other instruments.

Works well when auditioning turntables, but a PITA when you hit those older, less than stellar recordings, where the tape machine cause the issue.

Wondered if anyone else had the same experience with a different instrument, or is this specific to the piano.

Thanks
williewonka

Showing 1 response by williewonka

williewonka OP
3,115 posts
 
Thanks everyone for the input - I now have a very good understanding of possible causes - never thought about the off-centre hole - good one :-)

I had always thought it was due to the tape ,machine used in the recording process.

I can see how the pure pitch of a long note and the associated harmonics would contribute to the immediate identification of speed variations - to these ears anyway.

Thanks again for the input - very enlightening.
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