SPECIFICATIONS

Material:  Acrylic
Color:  White
Length:  19cm
Width:  4cm

Features:

High contrast cartridge alignment protractor provides improved visibility and eliminates tracking errors.
Avoids the over-shoot distortion to keep high quality sound
Link to turntable setup guide with instructions included, printed directly on the protractor.
Works with an S -Shaped arm and any 1/2" mounted cartridge.

Instructions: 

1. Place this protractor on your turntable platter with hole over spindle. 
2. Move cartridge/ tonearm until stylus rests exactly on center of bulls eye. (120.9mm radius). Check that cartridge is square with outer set of grid lines. - If not, loosen cartridge mounting screws and twist cartridge lightly until it is square.
3. Move cartridge/ tonearm until stylus rests exactly on center of inner bulls eye (66.04mm radius), Rotate protractor around spindle as required. Check that cartridge is square with inner set of grid lines. - If not, change overhang, (move cartridge in or out along the axis) until cartridge is square. 
4. Repeat step 2 and 3 till cartridge is square at both points. Tighten mounting and recheck as above. Remove Protractor. Relax and enjoy!