I have an Anthem A5 and when I turn it on there is a slight "hum" if you put your ear close to it. From 3 feet away it’s unnoticeable. It's in the amp, not in the speakers. Is this normal?
I would not say it is "normal" but it is pretty common. Both my Acurus amps emit a slight hum that is only audible at close distances. Most likely transformer hum(vibrations) in the majority of cases.
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