I just got one IDAP-6 and I have a few problems: - I cannot use the 2 back USB-A to connect my Toshiba USB drive? - When I use the front USB, the Cayin does not see the disk 1 time for every 3 bootstrap? Any Idea?

The Denafrips Ares R2R DAC is very good for the price (around $650).

You might want to consider Denafrips Ares, excellent value for the price IMHO It is a R2R DAC like the DAC-19, NOS-19 or singularity 19

HD 600/650 is a common choice. It is easy to unplug the stock cable and replace it by a 4 pins XLR balanced cable. You find some decent china made under $100

Hello,   I am in the situation you describe... HD-800S, Liquid Carbon and FIIO X7 as source.  The X7 is pretty good but... I feel that the setup deserves a better DAC. I'm pretty much sold on R2R but is the Bimby enough I should I go for bigger? 

It is more something that I don't hear than the contrary. Something that triggers emotion. I can't  put a name on it. I  remember getting that with my old Marantz SA-11S1 which is broken since quite some time. Perhaps I should fund the expensive repair? Or is it my upgraditis trying to justify...

I'm using X7 FW2,0 as a DAC, amplified by Liquid Carbon to H800S balanced.   It sounds good, VERY good. Running HD800S balanced is a must, it improved dynamism and precision. More holographic sound stage!  You get this already with an AM3  and LC improved everything. On the minus side, the...

Sorry if the question has already been answered.   What is the resolution of this DAC in bits, compared to Bimby 16 bits, Gumby 18 bits and Yggy 21 bits?

With HD 650, theAM3  difference between SE and balanced is stunning. Double power and increased grab on the drivers might be the explanation.

+ 1

  Refornat the SD card in exFAT. It corrected this problem for me

Hello,   Is it possible to use the X7 as a transport only to  feed another DAC via the USB out? I know this is possible  through the Coax out.   Cheers

Still no Switzerland in the 50% auction?

  I use the same sdCard and same firmware,   I have the same problem at startup