Grand Master Extreme: Optical Cartridge

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

Needle pressure: 2.0g～2.2g (2.1g is recommended)

Stylus: Micro Ridge