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Uneven VTF on different part of same LP

Dear experts,
When i checked the VTF usually I do it on one position only, but just did check on 2 position (the first track area, and last track area near spindle) and found that the later position has 0.04 gr heavier.
Further I put bubble level on the tonearm's bearing housing, it showed unlevel (the turntable itself is perfecty even) which might cause the above issue.

While soundwise it doesn' bother me (yet), should I worry in long run?
As my tonearm (ortofon as212) has gimbaled bearing, will unipivot tonearm solve the issue?
Lastly, is it time to replace tonearm?

Thanks in advance for the advice
gondo101

Showing 1 response by slaw

slaw's avatar
slaw
20,493 posts
 
(1) How accurate is your scale?
(2) How accurate is your level?
(3) We have too much faith in manufacturers and subsequently believe that their products are manufactured perfectly. Not so. Unless you're willing to spend big bucks on products manufactured to "precise standards, these types of issues will always crop up.
(4) If your bearings are worn/not perfectly round, that is another issue.
(5) How accurate is your set-up, considering all of the above.

Vinyl reproduction requires a lot of thought, proper set-up and products manufactured precisely in order for the end user to obtain satisfactory performance.
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