Ortofon 2MR Blue, Turntable Cartridge, Moving magnet cartridge system, Developed for optimised mounting on turntables with a low profile, Nude Shibata needle, Output voltage: 5.5 V, Frequency range: 20 - 25,000 Hz, Tracking ability at 315 Hz: 80 µm, Recommended tracking force: 1.8 g (18mN), Recommended load resistance: 47 kOhm, Recommended load capacitance: 150 - 300 pF, Housing material: Aluminium, Dimensions (W x D x H): 18.5 x 24 x 14.5 mm, Weight: 6 g, Colour: Blue