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Ortofon OM PRO S ON SH4
The Ortofon OM Pro S Premounted on SH-4 Black (OM Pro S on SH-4) is a factory-assembled, plug-and-play cartridge package combining the durable Ortofon OM Pro S moving magnet (MM) cartridge with the rigid Ortofon SH-4 black aluminum headshell. Designed for beginner DJs, mobile performers, and vinyl enthusiasts who want an accessible, dependable setup without the frustration of manual alignment or delicate wire assembly, this pre-mounted combo locks directly into standard S-shaped SME-bayonet tonearms for immediate, reliable playback.
Core Performance Features
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Factory Pre-Mounted & Aligned: Completely pre-assembled and calibrated to standard 52 mm Technics overhang geometry, allowing instant attachment to any SME-bayonet tonearm without needing alignment protractors or mounting hardware.
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Rugged All-Round Workhorse: Built with a resilient cantilever and suspension designed to withstand backcueing, beatmatching, and everyday DJ practice across any musical style.
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Low-Wear Spherical Diamond: Features a precision spherical diamond tip (R 18 µm) that minimizes groove friction and record burn, preserving the lifespan of standard vinyl pressings and DVS control records.
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Ergonomic Long Finger Lift: The SH-4 aluminum headshell features an extended, curved finger lift that gives DJs steady, confident grip and accurate needle-drops in low-light environments.
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Balanced Acoustic Reproduction: Delivers an even, musical frequency curve across bass, midrange, and treble, providing clear sound reproduction through club mixers, home amps, and monitor setups.
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Universal 4-Pin Bayonet Connection: Outfitted with gold-plated SME connector pins for corrosion-free signal transfer and instant compatibility with Technics (SL-1200/1210), Pioneer DJ (PLX series), Reloop, and Audio-Technica turntables.
Technical Layout & Specifications
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Package Contents: 1 x Ortofon OM Pro S Cartridge pre-mounted on 1 x Ortofon SH-4 Headshell (Black).
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Cartridge Type: Moving Magnet (MM).
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Mounting Connection: Universal SME 4-pin bayonet.
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Stylus Profile: Spherical (R 18 µm).
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Output Voltage: 5 mV (@ 1 kHz, 5 cm/sec).
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Frequency Response: 20 Hz – 18,000 Hz (±2 dB).
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Tracking Force Range: 3.0 g – 5.0 g (30 – 50 mN).
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Recommended Tracking Force: 4.0 g (40 mN).
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Tracking Ability: 70 µm (@ 315 Hz at recommended tracking force).
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Channel Separation: 20 dB (@ 1 kHz).
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Internal Impedance / DC Resistance: 750 Ohms.
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Internal Inductance: 450 mH.
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Recommended Load Resistance: 47 kOhms.
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Recommended Load Capacitance: 200 – 600 pF.
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Total Assembly Weight: ~14.4 g (Cartridge 5.0 g + Headshell 9.4 g).
