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.
Technical data:
Output voltage at 1000 Hz, 5cm/sec. 4 mV
Frequency range at - 3dB 20-20.000 Hz
Frequency response 20-18.000 Hz +3 / - 2 dB
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
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