Excessive sibilance can come from incorrect VTF, VTA, azimuth, antiskating. I assume that your tonearm bearings are in perfect shape.
Pronounced upper frequencies due to loading or wrong VTF and VTA.
Your cartridge is new, and assuming that your basic alignment is correct, run it some hours with full tracking weight and then recheck your settings.
Pronounced upper frequencies due to loading or wrong VTF and VTA.
Your cartridge is new, and assuming that your basic alignment is correct, run it some hours with full tracking weight and then recheck your settings.