IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. A 4-pin plastic base with tipped ...

I tested a pair of Écoute Headphones to figure out what's going on with them and have a sample for you. 0:00 intro 5:06 Audio ...

On Oct. 3, 1950, three Bell Labs scientists received a patent for a "three-electrode circuit element" that would usher in the ...

In 1983, Western Electric was the world's fifth-largest industrial corporation, with its headquarters in a Manhattan skyscraper and a storied history of technological innovation --including ...

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 ...

A direct-conversion radio receiver required an audiogain of 450 from a pentode vacuum tube. A pentodehas a high transconductance—that is, the ratio of thechange in plate current to the change of the ...

We’ve all seen electronic components that have been coaxed into releasing their small amount of Magic Smoke, which of course is what makes the thing work in the first place. But back in the old times, ...

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 ...

The history of vacuum tubes in synthesizers goes all the way back to 1939: the Hammond Novachord, one of the first polyphonic ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Western Electric type 216A ...