Elusive Quests: What’s All The (System) Buzz About?

ProSoundWeb: If you’ve been in the live sound business for any time at all, or working in any field related to sound, you’re quite likely to agree that the most maddening technical anomaly of all is the elusive “hum” or “buzz.” These two terms can be related or separate, but they’re both nasty business just the same.

We’ve all set systems – large and small – only to power up and discover the beast within. Is it 60 Hz? 120? 240? A combination? Is it mains? Monitors? Backline? Lights?