You're welcome krub. I don't have Purist CD though.
Surprisingly, I play this disc with my Sony EX51LP and it actually improved the sound of this headphone.
Before I play this disc, EX51 has somewhat less than pleased tonal balance with mid to upper bass boomy
a sore thumb while others frequency was just pushed behind.
After running the whole disc at the smallest volume that I could still hear the music on the CD, it 'balanced' out the tonal balance. The sore thumb mid to upper bass kinda 'smoothened' out and blended relatively well with other frequencies, making this headphone a much more enjoyable and listenable.
I don't think it has much to do with burning in as I have this headphone more than half a year and uses it or plugged it almost every day to the source which is mostly on all the time.
It doesn't change my liking though as I still prefer Senns MX-400 more but it does help a lot.
I'm still not sure whether this is the real thing or it's just me as I
to run it again. Nevertheless, this thing cannot be repeated right away as you need some time to lapse before you can start the test again, ie a week or more. Will let you know whether it stil has the same effect or it's just me thinking by myself.
