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Ortofon OM 5S - Moving Magnet MM Cartridge The Ortofon OM 5S is a versatile moving magnet cartridge designed for superior vinyl playback with both standard and low-mass tonearms. Featuring a spherical stylus, it delivers reliable, high-quality sound for music lovers seeking flexibility and excellent value. Key Features Moving magnet (MM) cartridge suitable for general-purpose use Removable weight plate for compatibility with standard and low-mass tonearms Spherical stylus with an 18 µm tip radius for dependable vinyl playback Interchangeable styli including 3E, 5E, 10, 20, 30, 40 & 78, and D 25 M for upgrade options Low cartridge mass: 5 g with weight, 2.5 g without weight for low-mass tonearms Easy mounting and alignment on both top mount and bottom mount headshells Excellent compatibility with a variety of playback systems and phono preamps Part of Ortofon's OM 5 series, which includes OM 5S, OM 5E, and Super OM 5E Specifications Output voltage at 1000 Hz, 5 cm/sec: 4.5 mV Channel balance at 1 kHz: 2 dB Channel separation at 1 kHz: 20 dB Channel separation at 15 kHz: 12 dB Frequency range (-3 dB): 20–20,000 Hz Frequency response: 20–22,000 Hz Tracking ability at 315 Hz (recommended tracking force): 60 µm Compliance, dynamic, lateral: 20 µm/mN Stylus type: Spherical Stylus tip radius: R 18 µm Tracking force range: 1.5–2.0 g (15–20 mN) Recommended tracking force: 1.75 g (17.5 mN) Tracking angle: 20° Internal impedance, DC resistance: 750 Ohm Internal inductance: 450 mH Recommended load resistance: 47 kOhm Recommended load capacitance: 200–500 pF Cartridge colour (body/stylus): Black/Black Cartridge weight including extra weight: 5 g Cartridge weight excluding extra weight: 2.5 g Replacement stylus unit: Stylus 5S About the Ortofon OM Series For over 50 years, Ortofon has been a leading designer and manufacturer of moving magnet cartridges. The OM 5 series offers a range of low-mass cartridges that provide excellent sound quality and easy upgrade options by simply changing the stylus, without needing to replace the entire cartridge. The OM 5S cartridge is engineered for easy compatibility with both top mount and bottom mount headshells, making it suitable for a wide variety of tonearms and phono preamps.