micro seiki ma-505x

Anyone know the significance of the x on the 505 arm? There is one for sale, and I wrote the seller and he didn't know the meaning or significance.
Thanks

rnadell03-23-2011 11:21pm

2 responses Add your response

halcro Details Discussions Posts This discussion Message User 2,664 posts 03-24-2011 at 04:30am Copy Comment URL Report Comment Edit Delete I think he might mean 'S' rather than 'X' in which case it means 'Silver Wire Version'.
dertonarm Details Discussions Posts This discussion Message User 1,042 posts 03-24-2011 at 08:07am Copy Comment URL Report Comment Edit Delete Dear Rnadell, the "x" features silver inside wiring and a second counter weight. Cheers, D.