I’m using a collection of Ortofon SPUs on my ferrous sub platter. I do use a thicker mat and have raised my tonearms a bit to correct the angle. I do not have any issues whatsoever with magnetic forces on the cartridges.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.