My first encounter with DS Audio’s fascinating line of optical cartridges and matching phono energizers (the term that DS Audio uses to describe the outboard power supply/phono equalization units ...

DS Audio has decided to share its niche expertise in optical phono cartridge technology with the world for free. Why? The Japanese company has pioneered what has largely been an eight-year solo effort ...

Backert Labs’ $11,500 Optik Phono 1.1 targets DS Audio optical cartridges and five-figure turntables—impressive at shows, uncompromising in design, and firmly not for casual vinyl listeners. That dual ...