For sale, a high-precision arc protractor for cartridge alignment.
This protractor is made of 3mm high-quality acrylic, coated with a yellow film, and high-precision laser-cut and engraved.
The first picture is for reference only; the real protractor looks like the one in the second and third pictures.
The arc protractor is the most accurate protractors for cartridge alignment; this one is designed for the following SONY turntables:
PS-2250
PS-2251
PS-2300
PS-2310
PS-2400
PS-2410
PS-2500
PS-2510
The geometric features are compliant with SONY specifications; see the first picture.
It is supplied with detailed instructions.
We also make custom protractors to the client's specifications.