WANTED: Happy members who like to discuss audio and other topics related to our interest. Desire to learn and share knowledge of science required. There are many reviews of audio hardware and expert members to help answer your questions.
Click here to have your audio equipment measured for free!
All of it is right but I feel he is 99% wrong about it turning on instantaneously. The wave must fully propagate though there will be some capacitive effects. I am almost 99.9% sure he is wrong. Very easy to test.