Description ORTOFON 2M BLUE MM CARTRIDGE The differences among the Ortofon 2M variants concern two primary areas: engine and stylus profile. The entire 2M Series features Ortofon’s trademark split pole pins, an invention which enables moving magnet cartridges to have a flat frequency response as with a moving coil cartridge. Split pole pins were invented by Ortofon, and were originally presented in the 500 and Ortofon OM Super Series. The 2M 78, 2M Mono, 2M Red and 2M Blue use an improved engine, which provides an optimized sound reproduction and a high level of sonic accuracy. All of the 2M cartridges feature diamonds which are polished to the highest standards of the industry. The 2M Red features a bonded Elliptical diamond, while the 2M Blue features a Nude Elliptical diamond.
