Ortofon OM 1S

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

If your tonearm has a standard headshell or a cartridge mount, then step up to optimal sound reproduction with OM’s. A glance at anyone of these cartridges will reveal Ortofon’s answer to perfect tonearm matching. Ingeniously tucked into the top of the mounting bracket is a tiny, removable weight-plate.

If your tonearm is an 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

Descripción

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

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