After 3 years, my T1 finally show its true face .
It's somehow crazy, but the sound character total transform to another thing.
Very transparent and fast sound, just like the diaphragm disappears, and incredible huge sound-scape.
The sound-scape very like binaural recoding , less pin-pont , more diffused.
Beyerdynamic, what the Monster Headphone you made !
This may be a case of your brain burning in to your headphones.
This phenomenon has been known to occur after a realization of the impact of your headphones on your wallet