The Vacuum tube is a part of the pre-amp of the headphones, and it warms up the signal before it gets sent to your ears. It’s not identical to the kind you’ll find in retro amps, mind you, and that ...

but the new Écoute vacuum tube headphones have decided to cut out the middleman and put a whole hi-fi on your head. The headphones include a Korg Nutube P61 right in the earcups for an authentic ...

Perhaps nothing added quite so much to the charm of vacuum tube circuits from back in the heyday of the vacuum tube as did the “Magic Eye” indicating tube. With the ghostly green glow of its ...