For most of us, vacuum tubes haven’t appeared in any of our schematics or BOMs in — well, ever. Once mass-manufacturing made reliable transistors cheap enough for hobbyists, vacuum tubes became pretty ...

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 ...

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 ...

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 ...

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 ...

It doesn’t happen often that we report on new vacuum tube based computer designs. Today however, we’re pleased to introduce to you the Fast Reliable Electronic Digital Dot Computer, or Fred.Computer ...

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

Vincent SA-T1 Stereo hybrid vacuum tube preamp $1,495.00 When Vincent set out to design the SA-T1 hybrid tube preamplifier they took their time, painstakingly researching every detail until each stage ...

Having built a number of vacuum tube output transformer-less (OTL) amplifiers in recent years, it seemed as though it might be a good idea to try combining older with newer technology and using both ...

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 ...