Audio’s TH1 wireless headphones use of a genuine triode vacuum tube in the preamplifier stage, making them unique and ...

Field to Air brings together world-class broadcast partners across the NAB 2026 show floor, united by an uninterrupted live signal chain powered by Dejero TITAN.

Microwave Power Products plans to close operations at the former Econco facility, ending its program for rebuilding tubes in ...

Chicago, Jan. 16, 2026 (GLOBE NEWSWIRE) -- The global vacuum blood collection tube market was valued at 3.24 billion in 2024 and is expected to reach US$ 4.40 billion by 2033, growing at a CAGR of ...

Older table-top AC-DC radios used a classic line-up of tubes. Think 12SA7, 12SK7,12SQ7, 35Z5GT, and 50L6GT. As I grew into my teens, I got interested in how these radios worked and soon discovered ...

Before transistors or microchips, the earliest computers relied on vacuum tubes — glass bulbs that glowed like small light bulbs and acted as electronic switches. Each tube could represent a one or ...

BERGEN, Norway — The medieval heart of this 955-year-old city is home to one of the most high-tech waste management systems in the world. Beneath the cobblestones lies a network of tubes that sucks ...

Given appropriate models for vacuum tubes, circuit simulators such as SPICE make analysis based on such nonlinear models a tractable effort. The Langmuir, Leach, and Koren models are discussed for the ...