Australia | New Zealand
The DS Audio Grand Master Optical Cartridge Set combines the flagship Grand Master Optical Cartridge with the dedicated Grand Master Equalizer and power supply system. Designed as a complete optical analogue playback solution, the package delivers the full performance benefits of DS Audio’s optical cartridge technology, including exceptional channel separation, reduced noise floor, improved signal output, and highly accurate musical reproduction.
The system pairs the independent left and right channel optical cartridge architecture with a reference-grade equalizer featuring separate equalizer and power supply chassis for optimum signal integrity and power stability.
| System | Photoelectric Conversion |
|---|---|
| Output voltage | More than 70 mV |
| Channel separation | 27 dB (1 kHz) |
| Weight | 7.7 g |
| Cantilever | Diamond |
| Stylus profile | Micro Ridge |
| Cartridge body material | Ultra Duralumin |
| Cantilever holder material | Stainless Steel |
| Recommended tracking force | 2.0 g to 2.2 g (2.1 g recommended) |
| Equalizer output voltage | 700 mV (1 kHz) |
| Output impedance | RCA 120 Ω, XLR 120 Ω |
| Preamplifier input impedance | More than 10 kΩ |
| Input connection | RCA |
| Output connections | 3 × RCA terminals, 3 × XLR terminals |
| Dimension (equalizer unit) | W452 mm × H152 mm × D486 mm |
| Dimension (power supply unit) | W452 mm × H152 mm × D486 mm |
| Weight (equalizer unit) | 25.1 kg |
| Weight (power supply unit) | 29.8 kg |
| Low-frequency cutoff selections | 6 selectable positions |