Vacuum tubes VS Transistors!!!!
27:07
How A Tube Works
13:48
BRIEF explanation of CAPACITOR sound colorations in AUDIO
28:39
Vacuum Tubes: Episode 1 - The Basics and the Diode
16:52
The Genesis of the Transistor, with Bonus Introduction - AT&T Archives
14:25
What is the parts cost of Tube VS Transistor amplifier?
21:32
AT&T Archives: A Modern Aladdin's Lamp, about vacuum tubes,1940
17:34
The Most Important Invention of the 20th Century: Transistors
23:17