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Fremer's Turntables Have a Sound Video

It is actually more difficult than that.

We were once experimenting to see if demagnetizing an LP would change the sound. Lo and behold, captures before and after showed a clearly difference in sound, subjectively and objectively! Well, it turned out this was due to wear in the LP. A brand new one sounded and measured differently on the first play vs second!!! So the de-mag had nothing to do with it.

The system is too unreliable to perform any proper AB tests on it.
Measurably, there is a difference of a new record when played once, or cleaned with ultrasonics. Something is worn or cleaned off, most likely from pressing.

 
Going off the comment that different vinyl pressings made a difference in Amir's example.

My post was responding to the proposition that simply playing a vinyl record quickly causes wear that changes the sound, and the proposition somebody followed up with that maybe it’s best to digitize one’s vinyl to be spared the degradation in sound quality over successive plays.

In the video I posted it showed that it’s possible for a record to be played 100 times on a quality turntable and suffer negligible degradation.

The record was a constant in that test so talk of different pressings is moot.
 
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