Pidepiper: Your view is well expressed. Thanks, I too have the those concerns and perhaps I have misused the term dampening. What I have been attempting is to eliminate "ringing" and hollowness that I have discovered in the turntable base. I also believe I am toneing down micro-air pulsations. Hopefully, the photo's will affirm that.
The Roma issue is well expressed. For the past several days I scraped the Roma on the topside in that portion of the "Q" (the "O") so that it only covers the lead by a "thumb nail" of thickness. Surprizingly, I found on the inside of the base the lead had puffed out and making no contact with the other base materals. The air space did not appear intentional, a manufacturing error or parts seperating over time. That has been corrected.
The tail of the "Q" had been of concern to Fred Kaplan. He made no mention of it in the review ,but privately, at the time of sale, he said it was a source of concern that he believed to have been corrected by un-capping & leaving the area exposed. As posted , that was where a circular hole was drilled thru the table to house the motor. That area has been filled , we will learn later if that's a good idea.
I have been examining a Raven attempting to draw out an idea or so. What I hope is news is that floating the top bearing plate over a quiet(er) bottom plate should improve the over-all sonics, only time will tell. Before the bottom plate sat squarely on top of that lead bubble and the edge clanged , not the sweet bell sound of the top plate. My review of the underside bushings causes me to feel these should be replaced by anyone owning a similar 'Noll. Of course, the proof is in the sonics and we are not close to that. Soundsmith returned my cart with a tad of correction ,no new stylas , that's reserved for the AQ 7000 later on.
This project is more involved than I presumed in the beginning. I think the knowledge aquired is worth the effort. Piedpiper, thanks for your views. Since this project is on-going its perfectly reasonable to assume modifications to the Roma.