Sorry guys, I really tried to take them apart, I even unplugged everything and put my screw driver out. But living in China, I need to do OT, sigh.
The noise should be from a cheap voltage adjustable PSU. I swapped it to a fixed V one, and the noise was much lower now (but still auditable from Ragnarok V1 -> E-mu Teak only. HD800, HE6SE and even ifi iESL -> KOSS ESP950 sounded OK)
Read these "rules" AND introduce
yourself before your first post
Being true to what the artists intended
(opinion / entertainment piece)
Comments on Profile Post by Ti_Leo