Funked the Rega

[Mash]

Transmissivity of stylus tracing noise into the platter ?

Which implies transmissivity of floor or table noise that got into the platter then being transmitted into the record ?

How about a peek at "Noise & Vibration Control", Leo Beranek, graph on pg 412 for starters....

Or- better record to platter isolation?

Stylus tracing 'noise' from the record groove would seem to be very low.

[JohnMichael]

Transmissivity of stylus tracing noise into the platter ?

Which implies transmissivity of floor or table noise that got into the platter then being transmitted into the record ?

How about a peek at "Noise & Vibration Control", Leo Beranek, graph on pg 412 for starters....

Or- better record to platter isolation?

Stylus tracing 'noise' from the record groove would seem to be very low.

Uh really I am just trying to have fun. There really is no master plan. Many years ago I bought the Rega Planar 2 for $450. A nice sounding budget tables with some excellent design. Then I began to discover aftermarket parts to improve the performance. I was hooked and wanted to see how much improvement various tweaks would offer.

Lately my interest has returned to platters after reading on several sites about Delrin. Of course seeing Clearaudio switch from acrylic to Delrin has furthered my interest. I read one review who said if you wanted to use acrylic on a Rega you will lose the ecitement and end up with a table sounding like a VPI. This new platter will probably be my last tweak since I cannot imagine anything else I can do for the table. Once I have taken it as far as it can go I will need to buy a new ttable.

Speaking of tweaks I need to get back to my latest. I had posted before about an edge in the high frequencies with the Achroplat. I use the Deepgroove subplatter but the Groove Tracer subplatter has three dots on it that look like rubber. Then I began to think if the Achroplat was designed with the idea of it resting on the Rega plastic subplatter? The Achroplat directly on the metal subplatter may not be the best idea. I bought some rubber bumpers used to protect tabletops from scratches. I placed 4 on the subplatter and then mounted the Achroplat. Whoops too tall and then I remembered thin corners on my Sanus Euro stands so I robbed some of them and put those on the subplatter.

Now I have changed the VTA a little and created a better interface than the Achroplat sitting directly on the Deepgroove subplatter. The hard edge of the highs seems to be gone. Of course I cannot say if it was the change in VTA or the damping between platter and subplatter. Interesting tweak to raise the platter instead of the arm for VTA. Ringmat had a system where they supplied discs with their mat to raise the record on the platter to tweak VTA.

Yes I have fun with my Rega.

[JohnMichael]

Photo's from yesterday showing the triangles I added to the subplatter and also the elevation of the platter.