The DS Audio Grand Master Equalizer is a reference-grade equalizer and power supply system developed exclusively for optical cartridge playback. The design utilizes completely separate equalizer and power supply chassis to minimize interference and maximize electrical stability.
Featuring high-capacity power supplies, custom film capacitors, dedicated transformers, and both RCA and balanced XLR connectivity, the Grand Master Equalizer provides the precise signal processing required to achieve the full performance potential of the Grand Master Optical Cartridge.
| 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 |
| Dimensions (equalizer unit) | W452 mm × H152 mm × D486 mm |
| Dimensions (power unit) | W452 mm × H152 mm × D486 mm |
| Weight (equalizer unit) | 25.1 kg |
| Weight (power unit) | 29.8 kg |