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 X X ...

It all began with a cheap Chinese rotary vane vacuum pump and a desire to learn the witchcraft of DIY vacuum tubes. It ended with a string of successes – a working vacuum chamber, light bulbs, glow ...

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 ...

After having been sent a vacuum fluorescent display (VFD) based clock for a review, [Anthony Francis-Jones] took the ...

The Linear Tube Audio MZ3 has a new challenger for the title of best headphone amplifier below $3,500. During periods of instability, consumers tend to gravitate to brands that they trust. People want ...