From: Bang & Olufsen MMC3000 Pickup (case included is not the original) The MMC3000 was the basic model in the brand new series of pickups. It was designed for use with the series such as the Beogram 1100 and Beocenter 1800 and 3600. It has a spherical diamond stylus. Specifications Spherical diamond Radius of curvature 1.5 mm Frequency range 20 - 25000 Hz+/- 3dB Channel separation 1000Hz > 20dB 40 - 10000Hz > 15dB Channel difference Intermodulation Recommended stylus pressure 1.2g Compliance 25 x 10(-6) cm/dyne Effective tip mass 0.5mg Output mV/cm/sec. 0.6mV/47kOhm Tag, Beogram. Beocenter, beosound beoplay