Ανταλλακτική βελόνα για τις κεφαλές Series 320 Universal Technical data Frequency response 20-22.000 Hz Tracking ability at 315Hz at recommended tracking force *) 70 µm Compliance, dynamic, lateral 25 µm/mN Stylus type Elliptical Fine Line Stylus tip radius r/R 8/40 µm Equivalent stylus tip mass 0,5 mg Tracking force range 1,25-17,5 g (12,5-17,5 mN) Tracking force, recommended 1,5 g (15 mN) Tracking angle 20° Stylus colour Grey