Ortofon OM 1S Cartridge

The OM 1S is a magnetic cartridge (MM) with a Spherical shaped stylus that provides balanced and distortion-free playback for general purpose applications.

OM 1S Technical data

• Output voltage at 1000 Hz, 5cm/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 at – 3dB – 20-20.000 Hz
• Frequency response – 20-22.000 Hz
• Tracking ability at 315Hz at 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)
• Tracking force, recommended – 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 incl. extra weight – 5 g
• Cartridge weight excl. extra weight – 2.5 g
• Replacement stylus unit – Stylus 1S