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In Reply to: RE: AR XA counterweight posted by M3 lover on July 04, 2016 at 15:19:02
I would stay with the original dimensions, materials, etc. I am sure they were well thought out.
Follow Ups:
that moving the weight toward the center of pivot decreases the force necessary to accelerate the arm toward the center of the record (1/m^2) while the weight will have to increase by (1/radius), so while the weight will have to be heavier, there's a net decrease in radial inertia.
So radially there's decreased effective mass while maintaining a fixed effective vertical mass (no acceleration in the vertical axis).
Have I got that right?
Yes, no doubt they were "well thought out" at the time they were designed (actually I believe they were ahead of their time). But that was around 1961 and a few things have been learned about turntable and arm design since then. ;^)
"The piano ain't got no wrong notes." Thelonious Monk
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