You got some pretty precise responses over on Vinyl Asylum. Mine was perhaps the vaguest, but I stand by my opinion; the equation(s) used to determine tonearm/cartridge matching may give precise numerical answers, but the data inserted into the equations is always a bit shaky, always an "estimate" or based on a manufacturers published specifications, which may or may not describe the characteristics of your particular sample, especially where cartridges are concerned. Furthermore, the range of acceptable results for resonant frequency (at the very narrowest, between 8 and 12Hz), actually permit a fair amount of latitude in effective mass and compliance, especially when you consider that F is a function of the square root of the product of those two parameters. So, I say go for it, provided the compliance of the cartridge and the Meff of the tonearm are even in the permissible ballpark of a good match. Far too much time and effort is spent worrying this subject to death, again, in my opinion.
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