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Ortofon D 25 M Phono Cartridge

The OM D25M is a magnetic cartridge (MM) with a spherical stylus that is an optimal solution for playing mono 25µm microgroove vinyl records, which require a slightly larger stylus profile for best sound reproduction.

OM D 25 M Technical Data:

  • Output voltage at 1000 Hz, 5cm/sec.: 4 mV, Lateral (mono)
  • Channel balance at 1 kHz
  • Channel separation at 1 kHz
  • Channel separation at 15 kHz
  • Frequency range: 20-20.000 Hz
  • Frequency response: 20-18.000 Hz +3 / - 2 dB
  • FIM distortion at recommended tracking force, DIN 45.542: < 1 %
  • Tracking ability at 315Hz at recommended tracking force: > 70 µm
  • Compliance, dynamic, lateral: 7 µm / mN
  • Stylus type: Spherical
  • Stylus tip radius: R 25 µm
  • Equivalent stylus tip mass: 0,5 mg
  • Tracking force range: 2,0-3,0 g (20-30 mN)
  • Tracking force, recommended: 2,5 g (25 mN)
  • Tracking angle: 20°
  • Internal impedance, DC resistance: 750 Ohm
  • Internal inductance: 450 mH
  • Recommended load resistance: 47 kOhm
  • Recommended load capacitance: 200-600 pF
  • Cartridge colour, body/stylus: Black/Black
  • Cartridge weight: 5 g
  • Replacement stylus unit: Stylus D 25 M

    Details on Ortofon Cartridge and Stylus Installation and Maintenance

    A Brief History of Ortofon

    Ortofon Stylus History Chart

    Ortofon OM Series Product Literature PDF

  • Ortofon OM Series Cartridge [large view]
    Ortofon D 25 M Phono Cartridge
     
    Price: $90.00
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    Ortofon Stylus D 25 M [click for more]
    Ortofon Stylus D 25 M
     
    Ortofon Stylus D 25 M
    Price: $57.00
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    Ortofon OM Series Stylus [clik for mroe]
    Ortofon 78 Stylus
     
    Ortofon 78 Stylus
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    Ortofon Moving Magnet Phono Cartridge Profile [large view]
    Ortofon Moving Magnet Phono Cartridge Profile
     
    Ortofon Frequently Asked Questions [click for more]
    Ortofon Frequently Asked Questions
     

    Frequently Asked Questions Complete Text
    Ortofon Phono Cartridge Profile -Founded 1918 by two Danish engineers [click for more]
    Ortofon Phono Cartridge Profile -Founded 1918 by two Danish Engineers