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In Reply to: So what you are saying is ... posted by garth on November 18, 2005 at 15:44:09:
effective mass is the moment of inertia.The tonearm manufacturer's you mentioned are not trying to get to the highest possible moment of inertia.
They are selecting a moment of inertia which best works with the cartridges likely to be utilized on their arms.
Or as we call it "Matching" at cartridge to an arm.
Garth, I hear great things when I reduce the headshell mass in terms of inner detail and transient response. But as I increase headshell mass the midrange becomes more fluid and puts meat on the bones.
I think Mark was correct when he said that there is probably an optimal effective mass for a tonearm. That said, there are a bunch of different cartridges out there and my Grado sure sounds a hole lot better everywhere with a low mass tonearm.
Cheers!
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Follow Ups
- Mark is correct, the equation is the equation - tubesforever 11/18/0518:09:18 11/18/05 (1)