Ortofon OM D25M
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.
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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, Lateral (mono) |
| 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 |