[gadawg]

Problem solved .... one of the prime feet weren’t completely tight at the base so there was a tad bit of play so as the heavy platter would spin it caused some very tiny movement of the base which was worse at the edge of the record ... which caused the arm to wobble excessively causing the rumble. Now my only problem is that I auditioned the Avenger Reference with the Transfiguration Proteus today and am having delusions of grandeur now! LOL