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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
    It is not missing. Just subtle. From the r2r 7 page:

    Mode 1 Mode 2 Mode 3 Mode 3  

    ATT0 On Off On Off
    ATT1 On On Off Off
     
    Last edited: Jul 12, 2017
    DACLadder likes this.
  2. DACLadder
    Thanks... It's explained differently on the NOS 7 User Guide (after Oct 12, '16 release). ISP0/1 control the 3 modes. ATT1 is for a Neutral/ Smoother setting.

    Anyway it looks like NOS 7 Modes 1,2,3 are set with ATT0/1 for Singularity models. I really need to find out what modes 1,2,3 actually do.

    I read on the NOS 7 thread @Currawong did listening tests of the NOS 7 modes 1,2,3. Perhaps he can a share brief description of each.
     
    Last edited: Jul 12, 2017
  3. FredA
    It seems that smoother/neutral setting was ommited. Perhaps it will added in a subsequent version. There are jumpers to spare.
     
    DACLadder likes this.
  4. DACLadder
    Well, I can finally try NOS 7 mode. My Singularity digital board upgrade arrived for my old Master 7. It's installed and working OK on High Exact mode HDMI I2S with SIngxer SU-1 and generic 0.5m cable. Amanero USB rock steady. Good bass, abundant clean highs, nice vocals. A little warmer sounding than the S7 but like the S7 more detail than the old box ever had. So get ready R2R 7 users the Singularity digital board is nice and performs well!

    And can now finally upgrade the S7 firmware to the NOS 7 version.
     
  5. Currawong Contributor
    I sent an email to Kingwa. I have never had a NOS 7 here.
     
    DACLadder likes this.
  6. DACLadder
    @Currawong Have any impressions, concerns, and general love for the R2R 7 ??? Anyone else?
     
  7. FredA
    My r2r 7 was shipped tonight, i could get it next week.
     
    Last edited: Jul 14, 2017
    DACLadder likes this.
  8. BoyNamedSue
    Nice, that was faster than expected. The website says something about a promotion. Did you get a discount? Seriously tempted.
     
  9. Currawong Contributor
    R2R 7 > Solaris > Susvara is wonderful.

    Kingwa replied about the NOS modes:

     
    JaMo and DACLadder like this.
  10. FredA
    Yes i did. As a owner of a M7, i got 9%. It paid for paypal,shipping and handling.
     
  11. richard89
    I'm considering purchasing this unit as well, but I have a few questions. Would it still be optimal if I used the R2R 7 as a computer DAC via USB where I would be using it for the majority of time? My concern is that I want good sound quality for my PC but maybe this unit not be as great if run through USB.

    I also have a question about the I2S, because I have a Yulong U18 and it has a 12S connection, would it still be compatible, is there even any way to hookup the Yulong U18 I2S connection with the R2R 7?

    Thanks.
     
    Last edited: Jul 15, 2017
  12. FredA
    Seems like the usb sounds great, since it is the same as the Master-7 Singularity. The R2R 7 can be ordered such that the i2s inputs be made compatible with most DDC, free of charge. See Custom Options.
     
    Last edited: Jul 15, 2017
  13. Currawong Contributor
    The USB will probably be a bit behind what one of the latests external devices that have a high-quality AES or S/PDIF output might be able to do, but we're at the stage of things that I sold my $1000+ converter because the USB in the DACs I have was as good, if not better.
     
    Last edited: Jul 15, 2017
  14. richard89
    Any preference between the Master 7 to the R2R 7 Currawong? Any comment would be greatly appreciated. Thanks.
     
    Alireza326 likes this.
  15. Alireza326
    my question also
     
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