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New Audio-gd R7 (R2R 7) & R8 Flagship Resistor Ladder DACs

Discussion in 'High-end Audio Forum' started by Currawong, Jun 30, 2017.
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  1. FredA
    Just re-flashed dsdclk.. It is indeed better suited for my setup. More laid back. Very enjoyable, more refined i find. The soundstage has better depth. Best fw so far for me, but not by a mile.

    My ears will thanks me at the end of the night. The latest is just too bight and punchy for me. Dsdclk has a perfect midrange, the latest is recessed in comparison. I now am on OS8. Took a while before i fully appreciated it but dsdclk is great, near perfect for my tastes. Not sure anymore it needs anymore dynamics. Perhaps just a pinch... Anyway, as in the song, i love it just the way it is.

    These latest parallel fws are heading in the right direction. You can hear they are more resolving and smoother. Great stuff.

    Message to Kingwa: i desperately need the new DI. The u16 has hung on me 10 to 15 times over the last 3 days. It is driving me nuts.
    Last edited: Oct 20, 2019
    DACLadder likes this.
  2. DACLadder
    Perhaps a Smooth version of “dop” firmware is needed. Or maybe the Accurate filter models are too aggressive for the latest R7 hardware changes. I find even dsdclk is tad hot on the highs and could use some more midrange but it is clean sounding and images so well. OS8 never sounded better. NOS and DSD as well. “dsdclk” is near perfection on the warmer M7S (balanced).

    What has me scratching my head is Kingwa supposedly made no changes to PCM firmware code between dsdclk vs dop... Yet most everyone that have compared the two versions hear a very small difference.

    We never have to wait long to try something new. Use what you like best until the next firmware comes along!
    Last edited: Oct 20, 2019
    FredA likes this.
  3. FredA
    I would not call the difference small,.Scott, i could easily them apart in a blind test listening for under 30s fed by the u16.
  4. Chopin75
    Kingwa said the Optical IN3 HDMI IN4 version will come out later, he has to work on it for a while. Few of you have this version.

    This may be a rather absurd observation I want to say, but it appears after the power outage, my system is quite. a step back. The sound seems more degraded/harsher again. Now it could be my DAC needing to warm up again or I am also burning in my USB cable (which is newish) or just R7getting cranky with the burning in, but could it be the power grid that has been repaired require some burning in? A tree fell onto the cable line so perhaps cables are replaced by new ones.
  5. FredA
    Could be all these reasons, give it some time.
  6. FredA
    If i want to draw the whole picture on how the new fws sound, and the latest, I have to say that last time I tried, the on-board Amanero sounded quite different from the U16. The u16 has its own very particular signature.So does the singxer f-1. I assume the new DI will be a perfect match for the audio-gd dacs.
  7. barbas
    First hours of DOP fw listening...sounding really, really open and engaging so far in NOS mode. Loving it.
  8. PLGA
    Hello guys,
    One question NOT regarding firmware.

    How is your experience with the R7/R8 DACs and power cords? Are they very sensitive to changes in power cords?

    I have a dedicated AC line for the system, one DC Blocker and one AC filter feeding my R8 and I was wondering if I should upgrade my R8 power cable. Today I have the DH Labs AC Power Plus all over my system, wich is pretty decent, but I upgraded to DH Labs Red Wave (on my Class D power amp) and it sounded noticeably better.

    What is your experience? Wich power cables have you tried on them?
  9. FredA
    Bigger is better. Gold-plated plugs are less bright.
  10. PLGA
    Hello Fred.

    Thank you. Any cable in particular? DIY?

    In my experience with DH Labs power cords, the cheap AC Power Plus is pretty decent, but the Red Wave is better soundwise. Both are similar in gauge, but the RW seems to have silver coated copper and shielding.
    FredA likes this.
  11. FredA

    I aways liked the Furukawa off ebay. I now use a ms-audio occ copper on the r7he (ebay too). On my Master-3, i use a very affordable chinese ebay gauge 10. For a power amp, bigger is really better, no joke. I am very satisfied with this cheap gauge 10.
  12. Chopin75
    So what exactly is this DoP FW ? Isn't it to allow DSD64 via Spdif? But people are reporting benefits on PCM too?
  13. comzee
    I have to say, my M7 (upgraded to M7S) is now solidly better than my Yggy-v2.
    I bought both almost at the same time 5 years ago. M7 got major upgrades, Yggy-v2 actually made it worse. Who wudda thunk which one came out on top.

    M7S also doesn't need a day of warm up to sound good...

    Also, I've been using NOS on M7S with Dsdclk, sounds amazing. I never prefer'd NOS, but now it's just, so good.
    OS8 and NOS are both top notch, both delivering unique flavors for system synergies. Couldn't be happier with this dac.
    Last edited: Oct 21, 2019
    Turdski, motberg, DACLadder and 2 others like this.
  14. remoss
    I've tried several different powercords from OCC to silver plated. I have the best results with PC Triple-C copper. Build it myself with Nanotec POWER STRADA #308 and Iego pure copper/rhodium plated mains and IEC plugs (8075 series). All internal connections in the plugs are treated with Silclear. Result is a very open and natural flowing sound. I wrote about this power "adventure" on my site: https://www.audioenzo.nl/project-230v-voeding/ (in Dutch though)

    Last edited: Oct 21, 2019
    motberg, FredA and UsoppNoKami like this.
  15. DACLadder
    remoss likes this.
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