the Garrard 301 plater is concaved.

I was putting my table back together after a service when I noticed that the table was not level. I usually put my bubble level on the plater for final leveling, in the past with other tables at least. I noticed that the level's bubble would always move opposite to the spindle as I moved it around the plater this indicates a (slightly) concave surface.

 Also means the last year my tables been slightly unlevel. :-)