Tonearm bias

Except it is spring loaded, so the spring will also contribute, surely.

Ah, ok, yes on that case it’s more complex; there will be two spring-mass systems interacting. Frankly a horrific fucking mess.

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^ this

The springs will partially bring the EM of the arm into play and the calculation to determine the EM of the arm/spring loaded headshell will be

best left to someone else.

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