NewArtVinyl has produced much more marketing info since I took a risk and bought the Blackbird 12.5" arm.
Here's their video showing setup of my arm
https://www.youtube.com/watch?v=GYVJn2_u9Z0
their home page
http://newartvinyl.ru/
Here's their video showing setup of my arm
https://www.youtube.com/watch?v=GYVJn2_u9Z0
their home page
http://newartvinyl.ru/