ORTOFON 2M BLUE MM Cartridge   2M Blue features: - an improved engine, which provides an increased output of 5.5mV and an optimized sound reproduction and a high level of sonic accuracy - Nude Elliptical diamond and split pole pins with a copper wire 2M Blue adds more dynamics and resolution, sounds more open and reproduces more details than 2M Red    2M Blue Technical data Output voltage at 1000 Hz, 5cm/sec.  -   5,5 mV Channel balance at 1 kHz  -   1,5 dB Channel separation at 1 kHz  -  25 dB Channel separation at 15 kHz  - 15 dB Frequency range at - 3dB  -  20-25.000 Hz Frequency response  -  20-20.000 Hz + 2 / - 1 dB Tracking ability at 315Hz at recommended tracking force  -  80 µm Compliance, dynamic, lateral  -  20 µm/mN Stylus type  -  Nude Elliptical Stylus tip radius  -  r/R 8/18 µm Tracking force range  -  1,6-2,0g (16-20 mN) Tracking force, recommended  -  1,8 g (18 mN) Tracking angle  -  20° Internal impedance, DC resistance  -  1,3 kOhm Internal inductance  -  700 mH Recommended load resistance  - 47 kOhm Recommended load capacitance  -  150-300 pF Cartridge colour, body/stylus  -  Black/Blue Cartridge weight  -  7,2 g 2M PnP MkII cartridge with integrated headshell weight  -  20 g 2M PnP MkII cartridge with integrated headshell length - 52 mm  Replacement stylus unit  - 2M Blue (interchangeable with 2M Red and 2M Silver) Review quote: Exploring Ortofon's 2M Lineup The Audio Beat, August 2016 by Marc Mickelson "...The 2M line has become a de facto reference for moving-magnet cartridges...it is due to both the sound quality of the various 2M models as well as the wide price range across the line... The differences among the four stereo 2M models occur in three primary areas: stylus profile, body material, and engine ... ... The 2M Black is "open, fast, detailed, vivid, full of vitality and sonically