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Yup, that's perfectly normal. No two decks will be identical in terms of pitch.
You may have noticed there are several rows (4) of dots on your platter.
The strobe dots are a reference of your pitch.
The big ones should seem to stand still when your pitch is at 0%
Now if I remember well :
The top ones should seem to stand still at -3.3%
The third row should seem to stand still at +3.3%
The lowest row should seem to stand still at +6%
In theory... The 0% is generally not a problem, because this position is locked by quartz.
On the other hand, it's rarely that pefect for the other positions. If you have a deck that behaves perfectly like it should following the above stated rules, consider yourself lucky, you got a collectors item in your hands!
Generally there will be one position where it will behave properly, but the others will be off a little bit. When I have to calibrate the pitch of SL's (had to do this in a shop) I always take the 6% dots as a reference. Syncing them will ensure me the closest pitch range to 8% like it should. But usually the -/+ 3.3% will be off. Nothing to worry about.
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