Last week, I posted a video about unbalanced and balanced audio and discussed how cables cause so many problems in live sound. The reason a broken cable causes the signal to fail is because it breaks the Signal Chain. This is another critical concept in audio, especially when troubleshooting.
For a signal to get all the way through an audio system, it passes through a bunch of components and cables. Every one of these needs to be connected in the correct order and have functional cabling in between to make it work. If any part of this signal chain is broken or compromised, we won’t have the sound we’re looking for.
Here’s a video about it: