This is a custom arc protractor that I create to match your turntable and tonearm in order to minimise stylus distortion.
Cartridge Arc Protractor for Jelco SA-250 and SA-750D - The Vinyl Source
Cartridge Arc Protractor for Yamaha YA-39 YSA-1 GT-750 GT-1000 GT-2000
Cartridge Arc Protractor for DUAL CS505 CS508 CS528 CS1268
Cartridge Arc Protractor for SAEC WE-506/30 tonearm
Cartridge Arc Protractor for Lenco L75 L76 L78 P77
Cartridge Arc Protractor for Alphason Opal/Delta/Xenon/HR100S/H100MCS
