Ortofon OM 1S Moving Magnet Cartridge

The Ortofon OM 1S is a moving magnet cartridge with a spherical shaped stylus that provides balanced and distortion-free playback for general purpose applications.

Key Features:

  • Moving magnet cartridge
  • Spherical stylus
  • Delivers balanced and distortion-free playback
  • Removable weight-plate at top of the mounting bracket

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    Product Code: 100290824

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    Availability: Low Stock!!

    £35.00

    The Ortofon OM 1S is a moving magnet cartridge with a spherical shaped stylus that provides balanced and distortion-free playback for general purpose applications. The Ortofon OM cartridges match most tonearms perfectly and allows you to upgrade the performance of your entire music system very easily by upgrading the stylus. There is a wide range of replacement styli for OM cartridges.

    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. And 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

     

    • 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

    *) Typical value

    • 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 - 5 g
    • Replacement stylus unit - Stylus 1S

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