The Sound of Ruby and Ceramic on the PT01RS Compatible Cartridges.
I wrote how to use it as universal headshells on my blog page.
It's included the matching circuit, and measured result of the frequency response.
Please visit following URL for the detail of it.
Google Translated:
https://bokunimo-net.translate.goog/blog/audio/5361/?_x_tr_sl=ja&_x_tr_tl=en
