I think it was the Helius Orion first & the Cyalene later using the 3+1 balls.
I recall some similarities with the old monophonic "Gray" arm that uses grease (instead of oil in the TD-01)
Another thing that differentiates the WT is the great mass at the pivot point.
I recall some similarities with the old monophonic "Gray" arm that uses grease (instead of oil in the TD-01)
Another thing that differentiates the WT is the great mass at the pivot point.