At the risk of disagreeing with those who know more,
- agree with the late legend Tom Fletcher, who thought that powerful motors generated powerful vibration hence audible distortion;
- agree with the air bearing crowd who think that all conventional bearings cause vibration in the platter, which is audible;
- agree with the massive platter crowd who think that moment of inertia is the best defence against vibration whatever the source.
My own DIY all-air bearing TT is capable of demonstrating that inaudible noise emanating from the plastic sleeve bearings of its precision 2W motor, has audible effects on the music. Those effects are similar in character to digital, although obviously much reduced. I note that during the launch of the SP-10R, I was allowed to inspect their motor - and I could HEAR bearing noise when turning the spindle by hand. Obviously that matters.
My DIY TT mounts a modified Trans-Fi linear tracker and a higher end Koetsu. Air bearing is the larger New Way thrust bushing running at 63psi.
- agree with the late legend Tom Fletcher, who thought that powerful motors generated powerful vibration hence audible distortion;
- agree with the air bearing crowd who think that all conventional bearings cause vibration in the platter, which is audible;
- agree with the massive platter crowd who think that moment of inertia is the best defence against vibration whatever the source.
My own DIY all-air bearing TT is capable of demonstrating that inaudible noise emanating from the plastic sleeve bearings of its precision 2W motor, has audible effects on the music. Those effects are similar in character to digital, although obviously much reduced. I note that during the launch of the SP-10R, I was allowed to inspect their motor - and I could HEAR bearing noise when turning the spindle by hand. Obviously that matters.
My DIY TT mounts a modified Trans-Fi linear tracker and a higher end Koetsu. Air bearing is the larger New Way thrust bushing running at 63psi.