Thanks HeadphoneAddict and Skylab for the tube rolling info, that's very helpful for a newbie like me. Now I'm happily waiting for my EF2 to arrive!

Quote: Originally Posted by HeadphoneAddict I had my D1 upgraded with AD743 on a 2:1 adapter (but AD797 also worked great) with AD8397 as buffers, and LT6234 in the DAC. I never got around to trying the LTC6241 in the DAC section, but I've heard it is very nice too. I thought the DAC...

Thanks for the review HeadphoneAddict. I've been looking for a little upgrade for my setup, currently I'm using a stock iBasso D1 with optical output from my Macbook. I was thinking to sell my D1 to get a iBasso D10 or get a better amp and keep my D1 as a DAC, but now this EF2 draws my...