If the clock-anticlock is seen from the front side, it's Azimuth, but in my modest experience this doesn't have much effect on tonal balance, it's more on channel balance, as the bias (antiskating) setting. Anyway, glad you got it fixed
Have you checked VTA? Seems one of the few things which may change. If the screws holding the arm's height are a bit loose, VTA might have changed.
The other dreadful chance is that the cleaning lady has "worked" on the cart. BTW, the record you listened was one you know well and you're sure wasn't sibilant before? Maybe listening to other LPs you don't find it that sibilant.
This. Plus the sound is relaxed, warm and natural. I really don't care "modern IEM" can do things better, which they do, the W4 are far more accomplished on a few features, though I know nothing that beats the X10 for comfort and a relaxed listening experience of any kind of music you wish to throw at it.
Preordered the last Regina Spektor's live recording, which hopefully will come with the last Melody Gardot's, which preordered a few weeks ago. Also a bunch of Phineas Newborn Jr and Hampton Hawes albums that were missing in my collection.
I've noticed something which maybe helps to fix the issue. While the site knows it's May 9th and displays correct date and hour at the bottom of the frontpage, the calendar is bolding the 8th instead, as if it were yesterday. This has been happening for the last few days since I saw it.