I own two of the Sony HAPZ1ES and both are dead quiet. One sits on the rack right next to me and I can’t hear any noises coming from the unit at all. If you bought it used, I would send it back as it isn’t right.
Sony HAP-Z1ES HDD audio player. FAULTY ?????? a new owner
just received a used sony HAP-Z1ES HDD audio player, when it is powered on the relay is loud, then the internal power transformer makes a hum noise , I'm not used to hearing a hum from home audio gear is that normal, my other audio gear is , modwright , pass labs , krell, thanks all for your time and input