As for my opinion on this subject, the differences between most well made cartridges are relative to the flowery descriptions I see, minor.
The most obvious is output and dynamic range. Next is tonal balance. Some cartridges lean a little bright others a little bass heavy. Ralph is right. As long as a cartridge is tracking everything you throw at it, any preference is personal. MC cartridges in particular are vastly over priced and many do not represent a good value. Take a look at the Nagaoka MP500. Here is a cartridge for $800.00 with a fine line stylus, a boron cantilever and great reviews. I would bet it is a better rock and roll cartridge than most MCs. Soundsmith and Grado both make excellent reasonably price cartridges. The Kiseki Purple Heart is just as good as cartridges costing $10K Price is absolutely no indication of quality when it comes down to MC cartridges once you get to a certain level of quality. The Ortofon Quintet Black S, the Clearaudio Essence and the Van Den Hull DDT-2 are excellent examples of cartridges using the best modern tech and materials at reasonable prices. After this it becomes purely a matter of taste, ego and tonearms. We have some fabulous tonearms on the market now but that is another subject.
The most obvious is output and dynamic range. Next is tonal balance. Some cartridges lean a little bright others a little bass heavy. Ralph is right. As long as a cartridge is tracking everything you throw at it, any preference is personal. MC cartridges in particular are vastly over priced and many do not represent a good value. Take a look at the Nagaoka MP500. Here is a cartridge for $800.00 with a fine line stylus, a boron cantilever and great reviews. I would bet it is a better rock and roll cartridge than most MCs. Soundsmith and Grado both make excellent reasonably price cartridges. The Kiseki Purple Heart is just as good as cartridges costing $10K Price is absolutely no indication of quality when it comes down to MC cartridges once you get to a certain level of quality. The Ortofon Quintet Black S, the Clearaudio Essence and the Van Den Hull DDT-2 are excellent examples of cartridges using the best modern tech and materials at reasonable prices. After this it becomes purely a matter of taste, ego and tonearms. We have some fabulous tonearms on the market now but that is another subject.