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, ...
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 ...
Hosted on MSN

Vacuum Tubes (1943)

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 ...
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 ...
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 ...
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 ...
Talking about vacuum tubes in 2025 might seem like talking about the role of buggy whips in today’s transportation world; but that’s not the case. There’s no denying that these devices—called vacuum ...
Priced from $10,000, the Feliks Audio Envy Meisterwerk headphone amplifier features all analog circuitry with 300B vacuum tubes. At its core, the Envy Meisterwerk incorporates Western Electric 300B ...