Vacuum tubes fueled a technological revolution. They made the amplification of signals a reality for transatlantic telephone cables (and transcontinental ones too), they performed logic for early ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...

By adding these four new Valvenergy Series 2 pedals to the four that already exist in Series 1, Vox is further embracing the ...

Poland-based Feliks Audio specializes in high-end vacuum tube audio products including a line of rather unique headphone ...

Culminating a year-long project, [Usagi Electric] aka [David] has just wrapped up his single-bit vacuum tube computer. It is based on the Motorola MC14500 1-bit industrial controller, but since ...

The vacuum tube, invented by John Ambrose Fleming in 1904, is considered one of the most important developments in electronics history. Fleming's invention laid the foundation for modern ...

Vacuum tubes are electronic components used to amplify, switch, modify and/or create analog signals by controlling the movement of electrons in low-pressure spaces. These components are used in ...

Lee De Forest invented the audion, a vacuum tube device that could take a weak electrical signal and amplify it into a larger one. The audion helped AT&T set up coast-to-coast phone service ...

At only $64.99 each, the Apos Ray 6SN7 Select vacuum tubes may deliver the dynamics and authentic sound you’ve been seeking. Few tubes have as storied a history as the 6SN7GT originally announced in ...

If you said yes to all of the above, then Astell & Kern’s flagship digital audio player — the SP3000T — is about to make your sonic dreams come true.  Analog stalwarts write love letters to the warm, ...

Dyson stick vacuums usually go for upward of $300, so the fact that this very similar-looking model has nearly 3,000 ...

Following are the different types of vacuum tubes and the elements used to control the flow of current. See vacuum tube. ----- VACUUM TUBES -----Triode Pentode Elements Diode Tetrode Cathode X X ...