The Ortofon OM 5e is an OM Series Cartridge and Stylus (Single). If your tonearm has a standard headshell or a cartridge mount then step up to optimal sound reproduction with OMs. A glance at anyone of these cartridges will reveal Ortofon s answer to perfect tonearm matching. A tiny removable weight plate is ingeniously tucked into the top of the mounting bracket. If your tonearm is a standard tonearm just leave the weight plate. If your tonearm is one of the low-mass types then simply remove the weight. The mass of your OM cartridge is now a mere 2.5g. Styli Types and Interchangeability By adopting a wide range of replacement styli the OM 5 Series can provide an optimum match for your home system application and budget. In the development of OM cartridges a major objective was to provide the music lover with the opportunity to optimize sound reproduction without having to replace the entire cartridge. Instead of being merely intended for replacement purposes following wear or damage the OM 5 Series allows you to step up to better sound by simply upgrading the stylus. Product Specifications: Output Voltage: 4 mV 5 cm/s at 1 kHz Channel Balance: 2 dB at 1 kHz Channel Separation: 22 dB at 1 kHz 15 dB at 15 kHz Frequency Range: 20 Hz to 20 kHz at -3 dB Frequency Response: 20 Hz to 22 kHz at +/-2 dB Tracking Ability: Recommended Tracking Force: 65 μm at 315 Hz Compliance: 20 μm/mN Dynamic Lateral Stylus: Type: Elliptical Tip Radius: r/R 8/18 μm Tracking Force: 1.5 to 2 g (15 to 20 mN) Recommended: 1.75 g (17.5 mN) Angle: Tracking: 20° Impedance: Internal: 750 Ohms DC Resistance Inductance: Internal: 450 mH Recommended Load Impedance: 47 Kilohms Recommended Load Capacitance: 200 to 500 pF