and may be not only that:
"Anisotropic because the effective mass for the horizontal mode of
motion is many times higher than the effective mass for the vertical
mode of motion. – No matter the effective mass of the armtube used.This provides for tremendous improvements in bass response and a lot more dynamics." from the TONEARMS part at http://www.moerch.dk/
I am curious, sometimes curiosity kills the cat, but may be I will try...
otherwise they could not survive in this ocean of illusion. The good news is that not all tonearms are gold plated