These luxury headphones come with their own vacuum tube and dual-mono amp
Amplifiers that use vacuum tubes instead of – or alongside – solid-state electronics are marketed on the basis of their ...
These luxe wireless headphones stick a tube-amp hi-fi on your head, and offer really hardcore Hi-Res Audio support
The idea of putting a tube in a pair of headphones does tend to bring mental images of massive lightbulb-sized tubes to mind, ...