WallyReference

The only tool that allows simple, quick and repeatable confirmation that the top surface of your cartridge is perfectly level in BOTH horizontal axes – front/back (SRA) & left/right (azimuth)
Displays the effect on Stylus Rake Angle (SRA) by adjustments to azimuth and vice versa
Quickly and easily move your cartridge to other tonearms with the same ideal SRA and azimuth angles
Includes personalized support from WAM Engineering
 
WallyReference FAQs HERE
 
WallyReference main page HERE