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On 18/12/2011, Nathan Coy wrote: > I've been following this with great interest and as a byproduct have > wondered about the differences between carefully compensating by > angling (in respect to radius of disc) a cartridge in the headshell on > a straight tone arm vs. a curved tonearm with same cartridge angle. > This is assuming that both tone arms have the same effective length > and are of course radial/pivoting and not tangential arms. I've been > digging through the AES E-library a bit haven't found any article > covering this specifically with a discussion of comparative distortion > at select imperfect angles (although have now read a lot on anti skate > design, tone arm weight, rigidity, etc.). > > I did come across a quite old article that's pretty interesting though > and close to what I'm looking for: > > Carlson, R.E. (1954). Resonance, Tracking, and Distortion: An Analysis > of Phonograph Pickup Arms. Journal of the Audio Engineering Society. > 2(3), 151-162. > > especially pp. 157-158. > > I've seen statements by companies saying s bent arms are better but > I'd like to see the documentation/detail. Any direction to sources > would be appreciated along with discussion here. > A good place to look is in the Gramophone archives. http://www.gramophone.net/ The "advanced" search allows you to confine the search to a range of years - 1959 to 1975 would probably cover it, and "tracking" would be a good search term. These archives are OCR-ed from scans of the magazine. Regards -- Don Cox [log in to unmask]