Recent content by Ben1987

  1. Ben1987

    SONCOZ SGP1 Stereo Amplifier Review

    SONCOZ's English website is under construction.
  2. Ben1987

    SONCOZ SGP1 Stereo Amplifier Review

    @amirm Thank you very much for your patient review and testing, respectful as always.
  3. Ben1987

    Out for a few more days

    Wish you and your family all the best.
  4. Ben1987

    SONCOZ SGA-1 Review (Headphone Amplifier)

    SGA1 does not have an upgrade function, and software upgrades do not affect performance as SGD1 does
  5. Ben1987

    SONCOZ SGD1 Audio DAC Review

    This is a restart upgrade attempt due to an unsuccessful upgrade.Hold down the knob for more than 6 seconds to reset the entire system, and then the phone's hotspot upgrade is the most convenient.
  6. Ben1987

    SONCOZ SGD1 Audio DAC Review

    It will work for the latest iOS. If can not work, please reset SGD1 and try again.
  7. Ben1987

    SONCOZ SGD1 Audio DAC Review

    This appears to be the result of an unsuccessful upgrade. Hold down 6s to reset the entire system, and then use the phone hotspot to upgrade.
  8. Ben1987

    Resolving Measurement Issues with SONCOZ SGD1 DAC

    The principle here is that using the harmonic compensation function of Ess DAC, only the second and third harmonics can be compensated. As for which set of data is the best, many experiments are needed. The best number depends on many factors, such as circuit structure, PCB layout, filter...
  9. Ben1987

    Resolving Measurement Issues with SONCOZ SGD1 DAC

    IMD hump need hardware fix. The software corrects the 2nd and 3rd harmonics of the Ess DAC chip.
  10. Ben1987

    Resolving Measurement Issues with SONCOZ SGD1 DAC

    Each time SGD1 is powered on, WiFi will be turned on to detect and update the firmware. If there is any update, it will be upgraded. If there is no new firmware, WiFi will be turned off in a minute. The silent upgrade currently in use. When SGD1 is powered on again, WiFi will be turned on for...
  11. Ben1987

    SONCOZ SGD1 Audio DAC Review

    Updated firmware around early April. Can you still operate the upgrade? There is no problem with the upgrade tool. There is a certain probability that the upgrade fails.
  12. Ben1987

    SONCOZ SGD1 Audio DAC Review

    There are a few things to be said about SGD1 testing: Conclusion first: the unit under test is most likely not Upgraded(OTA) to the latest firmware (there are a small number of early units in Europe), as I judge from the output amplitude of the test.The unit output amplitude of the test was...
  13. Ben1987

    SONCOZ SGA-1 Review (Headphone Amplifier)

    Digital LED display and LED screen should be different things, we may say different things.;)
  14. Ben1987

    SONCOZ SGA-1 Review (Headphone Amplifier)

    The UI and electronic circuit of the screen are designed by ourselves, and the plastic mold and the assembly and testing of the screen module are provided by our cooperating OEM. Audio products have different needs for screens, and customized screens are the most optimized solution to meet our...
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