How to Use:
Description:
1. Place the protractor on a turntable with holes in the spindle.
2. Move the head/arm until the needle is right in the center of the bull’s eye. (120.9 mm/4.8in radius). Check that the cartridge is square with an external set of grid lines. ‑ If not, loosen the cartridge mounting screw and gently turn the cartridge until it becomes square.
3. Move the head/arm until the needle is just in the center of the inner bull’s eye (radius 66.04 mm/2.6in) and rotate the protractor around the spindle as needed. Check that the cartridge is square with an internal set of gridlines. ‑ If not, change it, (moving in and out of the cartridge along the shaft) until the cartridge is square.
4. Repeat steps 2 and 3 until the cartridge is square at both points. Tighten the installation and re‑check as above. Remove the protractor. Relax and enjoy!
Specification:
Item Type: Cartridge Alignment Protractor Tool
Material: Acrylic
Color: White
Function: Eliminate Tracking Error; Adjust The Trailer
Scope of Application: Vinyl Record Player
Package List:
1 x Protractor