Dorian Mono The Mono Dorian is Lyra's entry-level monaural moving coil cartridge. It is a hand made, advanced Lyra design, identical in construction and sharing many features with the stereo version. The Dorian Mono is a true monaural design that generates a signal only from horizontal movement of the stylus and cantilever. It contains two totally separate monaural coils, which helps to avoid ground loops and hum problems. Therefore, only a single channel needs to be connected to a single amp/speaker system for true monaural reproduction! Dorian Mono Specifications Frequency range: 10Hz - 50kHz Cantilever system: Boron cantilever, Namiki MicroRidge line-contact stylus 2.5 x 75 micrometer profile. Internal impedance: 3.0 ohms Output voltage: 0.25 mV (5.0cm/sec. RMS, horizontal movement, 1kHz) 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 stereo version of this phono cartridge is also avaliable. manufacturer's website