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tool for fine vta adjustments?

Just keep tonearm parallel to record and use correct VTF, and you are done .

And do not buy or accept cartridges with VTA above 23 degrees, If it is not specified it is likely too high…
Hifinews measurements show actual cartridge VTA , and my scripts does too

 
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It's simple math, nothing else.

arcsin(1mm/230mm) = 0,25°

The manufacturing tolerances are multiples of that value.
Exactly, add to this that with conical and elliptical the contact patch hardly changes at all with VTA change ( elliptical) and not at all on conical. Adjusting makes very little difference anyway but if people are adjusting for these profiles they are totally wasting their time
Chris
 
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