The Pro S 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! Product Specification: Output voltage at 1000Hz, 5cm/sec: 5 mV Channel balance at 1kHz: 2 dB Channel separation at 1kHz: 20 dB Channel separation at 15 kHz: 15 dB Frequency response: 20-18.000 Hz +/-2 dB Tracking ability at 315 Hz at recommended tracking force: 70 μm Compliance, dynamic lateral: 7 μm/m N Stylus type: Spherical Stylus tip radius: R 18 μm Tracking force range: 3.0-5.0 g (30-50 mN) Tracking force recommended: 4.0 g (40 mN) Tracking angle: 20° Internal impedance, DC resistance: 750 Ohm Internal inductance: 450 mH Recommended load resistance: 47 kOhm Recommended load capacitance: 200-600 pF Concorde / OM cartridge weight: 18.5 g / 5.0 g Compatible with cartridges: Concorde Pro S and OM Pro S