Even if the platter is level and the arm is level it's possible the arm rest upon which your arm is lifted is a bit off level. This certainly could not impact playback at all
Problem with Turntable leveling?
I leveled my turntable before I started using it, but:
when I lift the tone arm by means of the lever the arm tends to swing out towards the edge of the record a bit. If it were truly level, would it not go nearly straight up (and down)?
when I lift the tone arm by means of the lever the arm tends to swing out towards the edge of the record a bit. If it were truly level, would it not go nearly straight up (and down)?