Vacuum Tubes

Vacuum-Tubes-A-Brief-History

Vacuum Tubes: A Brief History

Vacuum tubes, amplifier tubes, or thermionic valves, are the heart of guitar amplification. Even solid state amps are usually designed to emulate the sound of tube amps. But the vacuum tube was actually critical for…

Can Tubes Tell Time?

Did you know that long before LED and Vacuum fluorescent displays were invented, tubes were used to display the numbers in early computers, calculators, and electronic test equipment? These unique tubes are called Nixie Tubes. …