For sale, a high precision arc protractor for cartridge alignment.
This protractor is made of 3mm High Glossy Black Acrylic Perspex, high-precision laser cut and engraved.
The arc protractor is the most accurate protractors for cartridge alignment; this one is designed for the following Thorens tonearms:
  • TP11 MkIII
  • TP16 MkIII
  • TP16 MkIV
  • TP21
  • TP28
The geometric features are compliant with Thorens specifications; see the first picture.
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.
Made in Scotland

Cartridge Arc Protractor for Thorens TP11MkIII TP16MkII TP16MkIVI TP21 TP28