I had the opportunity to hear HE-500 under the EU loaner program organized by the EU importer (thank you SievekingSound). I am not really an audiophile (I don’t usually hear critically or do I notice small details in soundstage, etc) but I do enjoy good sound. I have, also, very limited sound experience, both with live music and high end equipment, so please keep this in mind when reading the below and use a fair amount of grain of salt.   I have compared HE-500 sound with Sennheiser HD-650 (‘new’ version) which is the only HQ headphone I...