Vaihtoneula Ortofon 2 M 78 äänirasialle. Soveltuu ainoastaan 78 rpm nopeuden ”savikiekoille”.
Tekniset tiedot:
- Frequency range at -3 dB: 20 - 22.000 Hz
- Frequency response: 20 - 20.000 Hz + 3 / - 1 dB
- Tracking ability at 315 Hz at recommended tracking force *): 70 µm
- Compliance, dynamic, lateral: 18 µm/mN
- Stylus type: Spherical
- Stylus tip radius: R 65 µm
- Tracking force range:1,6 - 2,0 g (16 - 20 mN)
- Tracking force, recommended: 1,8 g (18 mN)
- Tracking angle: 20°
- Stylus colour: Grey
*) Typical value