Dual Moving Coil Cartridge | AT-ART9XI | Audio-Technica https://www.audio-technica.com/en-au/cartridges/best-for/audiophile/at-art9xi
Featuring a special line contact stylus on a 0.28 mm diameter solid boron cantilever, the AT-ART9XI replaces the AT-ART9 as Audio-Technica’s flagship magnetic core MC cartridge.
The “ART” in the model number stands for Audio-Technica Reference Transducer, a designation