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
Specification
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Output voltage at 1000 Hz, 5cm/sec. - 4,5 mV
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Channel balance at 1 kHz - 2 dB
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Channel separation at 1 kHz - 20 dB
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Channel separation at 15 kHz - 12 dB
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Frequency range at - 3dB - 20-20.000 Hz
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Frequency response - 20-22.000 Hz
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Tracking ability at 315Hz at recommended tracking force *) - 60 µm
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Compliance, dynamic, lateral - 20 µm/mN
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Stylus type - Spherical
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Stylus tip radius - R 18 µm
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Tracking force range - 1,5-2,0 g (15-20 mN)
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Tracking force, recommended - 1,75 g (17,5 mN)
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Tracking angle - 20°
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Internal impedance, DC resistance - 750 Ohm
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Internal inductance - 450 mH
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Recommended load resistance - 47 kOhm
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Recommended load capacitance - 200-500 pF
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Cartridge colour, body/stylus - Black/Black
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Cartridge weight incl. extra weight - 5 g
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Cartridge weight excl. extra weight - 2.5 g
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Replacement stylus unit - Stylus 1S
*) Typical value