Specifically designed to calibrate the TT-10's and 10" straight tonearms, this ingenious and precise tool allows you to make practically all the adjustments necessary to obtain the best audio quality, while preventing premature wear on the stylus tip.

The Margules turntable protractor allows you to make the following adjustments:

• Protractor’s Alignment relative to the tonearm axis
• Vertical Tracking Angle
• Azimuth
• Stylus Overhang