you lose DSD and DXD using Spidf

The shure is great sounding but a little more in your head soundstage

I just purchased a set of the AKR01 and what surprised me was the huge soundstage much better than my Shure 535, when used with my AK 120 I am very pleased with the sound although the 535 are more comfortable for long sessions and offer a bit deeper bass response

another picture from the audio advisor catalog

I just got the new audio advisor catalog and they say they have the 560 in stock but in the picture and stats they describe and show the preorder version   Extremely efficient single-ended planar design Easier to drive than conventional planars 30% lighter than conventional planars Premium...

I agree, I roll tubes sometimes just to get a different flavor out of the amp or to match the sound output to different cans, great hobby and thats why tubes can be enjoyable 

The Led Zeppelin were remastered by Jimmy Page

I guess I'M going to wait till the initial demand dies down to get mine maybe they will have all the changes made and maybe even drop the price like they did on the HE 500's

i guess we can't have it both ways?

+1

I have spent a couple  of hours today comparing the 6H30 Pi from electro- Harmonix 12/07 to a NOS 6H30Dr III/77 in the Project Sunrise II. the NOS 6H30Dr was burned in for 6 hours or so playing music through the Project sunrise II and the EH 6H30Pi has about 20 hours or so on it. The listening...

+1 

+1

Looks like head room already sold out says 1 to 2 weeks again, I had a notice earlier today and forwarded it on to a friend and he was able to get one.

Cant wait to hear I mean  read your review