Long time owner. Should be silent. There is a fan in there but it's quiet.
Try a 2 prong plug not 3 (w/no ground).
Try a 2 prong plug not 3 (w/no ground).
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