Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. McIntosh is the kind of high-end audio brand that most ...

Once a discarded relic, over the years the humble vacuum tube has been rehabilitated in the arena of specialist audio. There are plenty of tube amplifiers now being manufactured, with a popular choice ...

These new cans try to restore some of the warmth and realism that digital compression takes away. Photo: Morpho MFG This post’s headline sounds like a joke, invoking technology used in antique radios, ...

Millimeter wave vacuum tubes, including ones like the traveling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with ...

Back to the future: LG Electronics has seemingly adopted a retro design language heading into CES. The South Korean tech giant recently debuted a new 4K smart projector that looks like an old-school ...

Anyone looking to upgrade their headphones might be interested in the new écoute vacuum tube headphones specifically created to compensate for the deficiencies of digital listening. Launched via ...

The video explains the operation of the vacuum tube, specifically the triode, which is essential in modern communication devices like radios and telephones. It describes how a tungsten filament emits ...

A new type of transistor is being developed by scientists at the NASA Ames Research Center that meshes together the best aspect of semiconductors and traditional vacuum-tube technology. This ...