I'm pretty sure the specifications of 232.2-mm effective length and 213.4-mm mounting distance are
wrong because they don't equate to a reasonable alignment when combined with a linear offset of 91.54-mm. It is my understanding that all 300 series tonearms are designed for Löfgren's "A" alignment based on an innermost groove radius of 58-mm and an outermost groove radius of 146-mm. This produces alignment null-point radii of 63.6-mm and 119.5-mm with a linear offset of 91.54-mm for all 300 series tonearms regardless of effective length.
Best regards,
John Elison
Edits: 05/24/12
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