At the time, an assault on the state-of-the-art - which still sounds superb today. The very first DAC to use Philip's new CD7 chipset, and possibly the most fastidious implementation of it ever. The DAC came in two boxes, with both digital and analogue sides kept separate but linked by 6 fiber-optic cables. 1991 Press Release: Page 1; Page 2; Technical description: Page 1; Page 2; Reviews: HiFi World, June 1991: Page 1; Page 2;