Dorian Like all Lyra cartridges the Dorian benefits from Lyras' unique design techniques, advanced materials and hand crafted quality. It utilizes a custom Lyra-designed boron rod cantilever/coil/MicroRidge natural diamond line-contact stylus assembly. Its 0.6mV output is higher than other Lyra models allowing superb results from moderately priced phono amplifiers. The Dorian is designed to maximize enjoyment in lower to medium cost audio systems. Dorian Specifications Frequency range: 10Hz - 50kHz Cantilever system: Boron rod cantilever, natural diamond MicroRidge line-contact stylus (2.5 x 75 micrometers profile). Channel separation: 30dB or better at 1kHz Internal impedance: 9.5 ohms Output voltage: 0.6mV (5.0cm/sec., zero to peak, 45 degrees) Cartridge weight (without stylus cover): 6.4g Compliance: Approx. 12 x 10-6 cm/dyne at 100Hz Centerline through mounting holes to stylus tip: 9.5 mm Recommended tracking force: 1.8 - 2.0g Recommended impedance: 100 ohms to 47 ohms a mono version of this phono cartridge is also avaliable. manufacturer's website