A major step forward in phono cartridge design, the sapphire, gold, diamond, and cocobolo work in harmony to bring this cartridge to life. The specially designed diamond stylus, for the first time in a Grado, is mounted on a sapphire cantilever that connects to the stylus generating system. The Epoch3 features a unique generating system that hasthe lowest effective moving mass of any cartridge, tracking accurately on vinyl. Our patented Flux-Bridger generator design creates a superior balance throughout the full frequency spectrum with superb resolution and clarity, which produces an overall truer picture of the music