What do vacuum tubes (valves) do?
18:57
How Tube Amplifiers Work, Part 1: The Power Supply
27:07
How A Tube Works
9:21
ĐO KIỂM TRA FET SỐNG HAY CHẾT BẰNG ĐỒNG HỒ KIM VẠN NĂNG
11:49
Building a Tube Amp! Does it produce better audio quality though? EB#47
10:33
Why do tubes sound different than transistors?
10:21
Triode Vacuum Tube: History & Physics
16:11
Let's design an build a vacuum tube amplifier from scratch
21:02