Nagaoka JT-555 Phono Cartridge Performance that really merits the word 'Revolutionary' in electrical and sound quality measurements Out details, out clarifies and so agile it catches the harmonics usually lost or masked by lesser though much more expensive cartridges Advanced carbon fiber cantilever technology transmits the most delicate movements of the stylus tip to the magnet Nude Shibata type Ultra-Ex stylus for natural sound quality and extended frequency response Frequency response: 10 - 28,000 Hz