Hi John, The hum is present only when it's turned on. Since I've got it out of the box, it presented that noise. Does yours make any noise at all, or is it quiet as it can be? Thanks, Anthony Vaz
Hi there, I have a Velodyne CHT-12, and it makes a sort of hum noise when it's turned on. I tested and plugged it on a Panamax DBS 500 to see if the problem were in the eletrical supply (eletrical interference, harmonical distortion, etc...), but the hum remained. So I ask: Is it normal such...