How can you measure length of arm

What is the method in measuring the exact length of an arm?

yagbol205-24-2005 10:17pm

cornfedboy Details Discussions Posts This discussion Message User 1,645 posts 05-24-2005 at 11:23pm Copy Comment URL Report Comment Edit Delete yardarm, human arm, tone arm, something else?
Post removed Aug 06, 2015
gregm Details Discussions Posts This discussion Message User 3,409 posts 05-25-2005 at 09:15am Copy Comment URL Report Comment Edit Delete To complement Viridian, the what the effective length should be is given by the (tone)arm manufacturer.