Don Quichotte
500+ Head-Fier
I own the Stax 3030 combo, the K1000 + T-amp (still waiting for a better amp) and the K501, and have owned the HD600. Now, the Stax and K1000 are better and I currently enjoy them more, but the AKG K501 is the "magical" headphone among them. It's musical in itself, no mater if I plug it into a lowish soundcard or whatever, it always puts the music above sound / information, so to speak. If it only were as technically proficient as the other two!