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 Ortofon tonearms:
  • AS-309i
  • RMA-309i
  • RMG-309i
  • RMG-309 Limited
  • RKG-309
The geometric features are compliant with Ortofon specifications; see the first picture.
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.
Made in Scotland

Arc Protractor for Ortofon AS309i RMA309i RMG309i RKG309 RMG309 Limited