On this 60 th anniversary of the first issue of EDN, we look back to 1956 when the vacuum tube was at its maturity and transistors were about to begin their domination. The vacuum tube features of ...

In today's world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is ...

While most VEDs in common use today (traveling wave tubes (TWTs), klystrons, crossed-field amplifiers, magnetrons, gyrotrons and others) were invented in the first half of the 20th century, ongoing, ...

The venerable vacuum tube is due to take retirement. Though solid-state electronics overtook the venerable vacuum tube more than 60 years ago, more than 200,000 Department of Defense devices use ...

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 ...

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, ...

The Russian invasion of Ukraine has snarled the supply chain for many products. WAMC’s Southern Adirondack Bureau Chief Lucas Willard reports on how some local retailers are dealing with a shortage in ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Vacuum tubes could be returning, but it may be difficult to see them--no glass bulbs with glowing ...

IN THE AGE OFwireless speakers and Bluetooth streaming, vacuum-tube amplifiers may seem antiquated, but you don’t have to be an audio nerd to appreciate their appeal. Designed to power traditional ...