Is this the portable CD player that'll get you to swap from streaming? It's stylish, it supports aptX, and it's even a Hi-Res USB-C DAC

A CD player with aptX Adaptive and a Hi-Res Audio DAC A cheaper version of one that had a tube amp(!) built in too $319 ...
IEEE

$W$ -Band Traveling Wave Tube Amplifier Based on Planar Slow Wave Structure

Abstract: A novel planar slow wave structure (SWS) for traveling wave tube (TWT) is proposed. The major advantage of the planar architecture is its easy realization with respect to the typical 3-D ...
MusicRadar

“Taking the mid-gain, tube-amp-driving concept even further”: Warm Audio channels the greatest hits of classic overdrive with the regal Throne Of Tone dual-drive and the 3 ...

You wait 12 months for a new guitar effects pedal to emerge from the Warm Audio shopfloor and then two come at once. Seriously, it’s what the Texan brand does. Cast your mind back a year, almost to ...