Is it normal for something like the 7500, to hear a hum coming from the unit itself? This is not any type of hum coming from the speakers or anything like that. This is strictly coming from the unit itself. Kind of sounds like a transformer hum or something. It is pretty faint. I can only hear it when there is absolutely no other sound in the living room except the fan on my laptop But, I can hear it from the couch, about 10 feet away. I didn’t think it was the infamous ground loop hum as I thought this would present a noise out of the speakers, and this doesn’t.
Let me know what you guys think.
Thanks.