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The Blue2 uses a four piece OTL cantilever that has a Grado specific diamond mounted on a brass bushing. Grado’s OTL, or optimized transmission line, technology provides an ideal transfer of signal from the surface of the LP to the generator of the system. This technology rejects unwanted resonances and lowers distortion preserving the fundamental and harmonic frequencies of the music. This also helps keep noise generated by the motor system in the cartridge to a minimum.
Frequency Response : 10 Hz - 55 kHz Principle : Flux Bridger Channel Separation at 1 kHz : 30 dB Load : 47 kilohms Output at 1 kHz 5 cm/sec. : 5 mV Recommended Tracking Force : 1.5 grams Stylus Type : Elliptical Inductance : 45 millihenrys Resistance : 475 Ohms Stylus Replacement : By user Mount : 1/2 inch Weight : 5.5 grams