The TB-50 Tube Phono Equalizer is a vacuum tube hybrid phono equalizer developed specifically for DS Audio optical cartridges.
JUNE 8, 2026
"It would be hard to think of anything grander, at least when it comes to LP reproduction, than the new DS Audio Grand Master. This superlative device truly represents a revolution in analog playback, liberating LPs, as far as possible, from any residual dynamic constraints to strut their stuff. " - Jacob Heilbrunn, TAS
RECENT NEWS
The world's first* “sonic vibration” cleaning brush.
JUNE 8, 2026
"The SUPATRAC lives up to it's name by letting every cartridge navigate even the toughest records with ease, while maintaining an unsurpassed level of focus and clarity."
MAY 22, 2026