Check the listing for details. Ortofon OM Pro S Cartridge (Single). Color: Black, Condition: New. Listed at 57.99 USD. OM Pro S entry-level cartridge New DJ This entry-level cartridge is perfect for newcomers on the DJ scene who want to start off with decent, but not too expensive equipment.The Pro S has a spherical diamond stylus which minimizes scratching and a solid cantilever which can survive hectic activity at the turntable. No matter what the application, the Pro S provides remarkable versatility for virtually any setting. The sound quality is absolutely not to worry about.The Pro S is a consistent performer and a fine all-arounder! Output voltage at 1000Hz, 5cm/sec. - 5 mVChannel balance at 1kHz - 2 dBChannel separation at 1kHz - 20 dBChannel separation at 15 kHz - 15 dBFrequency range at -3dB - 20-18.000 HzTracking ability at 315 Hz at recommended tracking force - 70 μmCompliance, dynamic lateral - 7 μm/m NStylus type - SphericalStylus tip radius - R 18 μmTracking force range - 3 - 5 g Tracking force recommended - 4 g Tracking angle - 20°Internal impedance, DC resistance - 750 OhmInternal inductance - 450 mHRecommended load resistance - 47 kOhmRecommended load capacitance - 200-600 pFOM cartridge weight - 5,0 g