Hey everyone.   Is there a way to test whether my HM-901 is experiencing channel imbalance?   Its not apparent all of the time, but occasionally the music sounds one sided and a bit wonky, like its not filling my head. It may be the recordings or my own perception, but I'd like to check..

Hi everybody.   I am a new user so this is my first post. I am learning, so please bear with me if some of my questions seem stupid!   I have just bought the Hifiman 901 and am enjoying it very much.   I am looking to buy the LCD-3's at some point in the near future and have been trying to...