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 precise protractors for cartridge alignment, this one is designed for Jelko SA50 and SA200 tonearms
The geometric features are compliant with Linn recommendation:
Pivot to spindle distance: 222mm
Effective Length: 237.41mm
Offset Angle: 21.98
Supplied with exhaustive instructions.