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Ortofon 310 U Cartridge
310 U Technical Data:
Output voltage at 1000 Hz, 5cm/sec.: 5 mV
Channel balance at 1 kHz: 2 dB
Channel separation at 1 kHz: 22 dB
Channel separation at 15 kHz: 15 dB
Frequency range: 20-20.000 Hz
Frequency response: 20-18.000 Hz ± 2 dB
FIM distortion at recommended tracking force, DIN 45.542: < 1%
Tracking ability at 315Hz at recommended tracking force: 60 µm
Compliance, dynamic, lateral: 20 µm/mN
Stylus type: Elliptical
Stylus tip radius: r/R 8/18 µm
Equivalent stylus tip mass: 0,5 mg
Tracking force range: 1,25-1,75 g (12,5-17,5 mN)
Tracking force, recommended: 1,5 g (15 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: Grey/Grey
Cartridge weight: 5 g
Replacement stylus unit: 310
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