Koolpep
Headphoneus Supremus
thanks LarsHP for your input, just about to pull the trigger on a second hand 901 w standard card for a very good price - guess that would be something of both worlds...
I have the 901 with balanced, elfidelity balanced and classic II card. The elfidelity is the one with the most extended treble. I like the "old" (and current) balanced card the most. With all three cards the 901 sounds good, the differences are rather small - but since I sometimes use planars, I need the additional power of the balanced cards.
Am sure you will like the 901.