FEATURES:[ output voltage at 1000Hz, 5cm/sec.: 7.5mV[ Channel balance at 1kHz: 1.5dB[ channel seperation at 1kHz: 25dB[ channel separation at 15kHz: 15dB[ Frequency range at -3dB: 20Hz - 22kHz[ Frequency response: 20Hz-15kHz +3/-2dB[ Type: spherical[ Tracking force range: 3 - 5g[ recommended tracking force: 4g[ Internal impedance: 750 Ohm[ recommended load capacitance: 200-600pF[ Colour: white[ Weight: 18,5g ";