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A different protractor for 12" arm?

I recently bought a Iketa IT-407 12" arm. While I follow the template and the exact measurements of the effective length and the cartridge tip to the headshell base, I can not get the perpendicular reading on the universal protractor that I used with 8" arms.

I am certain that my measurements are correct. Ikeda does not provide a protractor and therefore I don't know what is wrong or I should in fact not use the protractor for 8" arms.

Are there differences between protractor for 8" and 12" arm? If so, where can I get one for 12" arm?


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Topic - A different protractor for 12" arm? - Sea Monster 10:27:39 09/09/06 (12)


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