I have just bought a 62t and I am currently running it in but I have noticed that the sound is slightly glassy in the treble. It is particularly noticeable on female vocals and they sound like they have an 'edge'. I don't know whether this will go away (it has had about 20 hours of use) or whether I should really get a 72t as I demo'd that and it didn't sound so edgy but got the 62t to save the difference. It isn't always obvious and it doesn't seem so noticeable when the player is stone cold. It is partnered with an arcam alpha 9 & mission 753 mk IIs using maplin silver interconnects and speaker cable. Any thoughts?