The 2M Blue uses an improved engine, which provides an increased output of 5.5mV Features:• High resolution sound suitable for modern recordings• Exceptionel value for moneyTechnical data:• Output voltage at 1000 Hz, 5cm/sec.: 5,5 mV• Channel balance at 1 kHz: 1,5 dB• Channel separation at 1 kHz: 25 dB• Channel separation at 15 kHz: 15 dB• Frequency range at - 3dB: 20-25.000 Hz• Frequency response: 20-20.000 Hz + 2 / - 1 dB• Tracking ability at 315Hz at recommended tracking force: 80 µm• Compliance, dynamic, lateral: 20 µm/mN• Stylus type: Nude Elliptical• Stylus tip radius: r/R 8/18 µm• Tracking force range: 1,6-2,0g (16-20 mN)• Tracking force, recommended: 1,8 g (18 mN)• Tracking angle: 20°• Internal impedance, DC resistance: 1,3 kOhm• Internal inductance: 700 mH• Recommended load resistance: 47 kOhm• Cartridge colour, body/stylus: Black/Blue• Cartridge weight: 7,2 g