Vacuum Tubes (Valves): "Electronics at Work" 1943 Westinghouse 21min

more at http://electronics.quickfound.net/ "Explains the six basic functions of electronic tubes and shows how each type of tube is used in industrial and mi...

Making a spherical audion vacuum tube part1

The start of the radio revolution came with Lee de Forest inventing the triode vacuum tube. One of his first tubes and the most famous is the spherical audio...

Making a spherical audion vacuum tube part 3

We continue the process of making the tube.

Making a spherical audion vacuum tube part4

Here we finish up the spherical audion tube.

Making a spherical audion vacuum tube part 2

We continue on the process of making the tube.

50's home made regenerative audion tube radio from Hungary

Antenna: 5 meter simple electrical wire Tubes: EF183, PCL802 Weight: 2,5 kg Dimensions: 22X16X18cm (width X height X deep).

D-Unity - Audion Tube (Jim Heinz Tweak Mix)

PLEASE READ THE WHOLE DESCRIPTION :) Jim Heinz was one of the premiere studio Programmers hired by Jonathan Peters during his heyday. Jim's style and flare i...

Basic Electronics 15 - Tesla, AC, Audion Tubes, Half Wave supplies

Tesla, AC power, Lee DeForest audion tubes and half wave power supplies.

Eigenbau Kurzwellen-Audion mit Röhren / Homebrew Tube Regenerative

1V2-Röhrenaudion. Bestückung: EF80 (aperiodische HF-Vorstufe), ECC81 (beide Systeme in Reihe als Kaskodenaudion, ECO-Rückkopplung), ECC81 (NF-Vor- und Endstu...

Klipsch RF7 audion silver night 300b get myself high

A Pair of Klipsch RF7 speakers powered by an Audion Silver Night tube amplifier. The cd-player is a sony cdp-x555es and the cables which are used are from Ac...