Ortofon Serato S-120 Replacement Stylus.

Output voltage at 1000Hz, 5cm/sec. 10 mV Channel balance at 1kHz 1.5 dB Channel separation at 1kHz 20 dB Channel separation at 15 kHz 15 dB Frequency range at -3dB 20-18,000 Hz Frequency response 20-18,000 Hz +3dB/-2dB Tracking ability at 315 Hz at recommended tracking force 120 μm Compliance, dynamic lateral 11 μm/mN Stylus type Spherical Stylus tip radius R 18 μm Tracking force range 1,5-10,0 g (15-100 mN) Tracking force recommended 4.0g (40 mN) Tracking angle 20° Internal impedance, DC resistance 1,680 Ohm Internal inductance 920 mH Recommended load resistance 47 kOhm Recommended load capacitance 200-600 pF Replacement stylus unit S-120