I was hoping for exotic drivers, like I used to see in speaker building catalogs from Wimslow audio, Zalytron, Madisound and TSW, but when I opened up the speaker I saw Coring home fiberglass insulation R11.
This showed up on facebook on shop inc
https://www.1baitan.com/Prime-Turntable-JMW-10-3D-Tonearm-Black-p1481341.html?fbclid=IwAR1AYjqx-deHRAX2znC3ERVD2EoppM8YbBZhxc73HEN_YSIgU7hemaN-6E4