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The new DS Audio Grand Master optical cartridge system has been optimized, by implementing an independent LED and photo-detector arrangement for the left and right channels. As a result the cartridge output voltage has greatly increased from 40mV to 70mV. The Grand Master cartridge offers a greatly improved S/N ratio when compared
to its stable mates, resulting in an evenlower noise floor and far greater musical clarity.

The implementation of independent left and right channel LED’ s allows for the positioning of the optical system to be optimized as well as necessitating the use of a new shading plate that has been significantly reduced in size compared to earlier designs. In addition to this reduction in size, the material used to produce the shading plate
has changed from aluminium (as used in the second generation cartridges) to 99.9% pure beryllium.

A first for DS Audio, the Grand Master cartridge features the combination of a diamond cantilever with a microridge
stylus. The cartridge body structure has been designed in such a way as to promote maximum rigidity. In addition to these features, the Grand Master utilizes internal wiring 1.6 times thicker than used in the second generation cartridges in order to reduce impedance.

Technical Specifications:

Grand Master Optical Cartridge
Signal output: Photo-electric Conversion
Channel separation: 27db more(1KHz)
Weight: 7.7g
Output signal level: 70mV more
Canti-lever: Diamond
Body material: Ultra duralumin
Cantilever holder material: Stainless
Tracking Force: 2.0g~2.2g(2.1g is recommended)
Stylus: Micro Ridge

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