The Grand Master Extreme employs a 0.22mm square one-piece diamond cantilever, where the diamond cantilever and the needle tip are crafted from a single diamond. Typically, the diamond tip of the cantilever and the needle tip are bonded together using adhesive. However, with the one-piece diamond cantilever, the cantilever and the needle tip are integrated into a single unit, enabling a more direct transmission of information from the needle tip.
| Signal output | Photo-electric Conversion |
| Channel separation | 27db more（1kHz） |
| Weight | 7.7g |
| Output signal level | 70mV more |
| Canti-lever & Needle | ONE PIECE DIAMOND |
| Body material | Ultra duralumin |
| Cantilever holder material | Stainless |
| Neetre pressure | 2.0g～2.2g(2.1g is recommended) |
| Stylus | Micro Ridge |
A dream since 1970 had come true – and revolutionize modern analogue playback technology. Optical Cartridge was initially introduce by Japan electronic maker, Toshiba in 1970s.
However due to the technology limitation, the optical cartridge design was deemed not reliable for mass production. DS Coorporation (mother company of DS Audio) is a specialized optical sensor manufacturer for more than 25 years.
