L.K.S. Audio MH-DA004 Dual ES9038PRO DAC - Van Damme's double impact?

Discussion in 'Dedicated Source Components' started by pitbul34, Mar 22, 2017.
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  1. Whitigir
    I do not have such issues
     
  2. bibo01
    I cannot verify it because I haven't played DSD512 yet and I do not have the DAC at the moment.
    It sounds like a firmware issue.
    As you use HQPlayer like me (I 'm actually an official reseller for it), did you notice a SQ improvement going DSD128 -> 256 -> 512?
     
  3. bibo01
    I have a problem at BW5 or lower only if I play DSD.
    LKS suggests BW12.
     
  4. Whitigir
    Exactly, and why is this ? Do we need new firmware or such ? Just wondering
     
  5. littlexx26
    yeh the one i bought my 004 told me anything stable at bw12 or higher is considered "pass".
     
  6. bibo01
    I doubt it.
    At higher frequency higher bandwidth is needed. BW1-5 is low bandwidth.
     
  7. bibo01
    What do you mean by "pass"?

    At reply to my question - "Did you notice a SQ improvement going DSD128 -> 256 -> 512"?
     
  8. Whitigir
    Nope, the manual stated that the lower the number, the higher the bandwidth, and the more tolerances sensitivity the input signals are. That means, the lower the number such as BW1-5 can only work with sources that generated the lowest number of errors, or has better details info retrieval at higher frequency like you said.

    The manual stated that the lower the number on the BW the better the sound

    BA054FBB-5A3F-4A99-BB41-25FF4E4FDDA8.png
     
    Last edited: Nov 22, 2017
  9. littlexx26
    I meam quality pass in the factory.
    No so far i did not notice any difference when up to 512. But i will spend more time to listen seriouly.
     
  10. limey Contributor
    Currently using a Singxer Su-1 with a Gustard X20 pro using I2S. Anyone have the LKS DAC004 working with the SU-1 and is so what DIP switches needed to be turned on.
     
  11. dcguy73
    I bought this DAC blind a few months ago and have been pretty pleased with it so far. It is definitely not the most user-friendly DAC, but I think its build and performance are top-notch for the price.
     
  12. Lennym
    What would make it more "user friendly" for you? One thing I can think of is being able to set DPLL levels for PCM and DSD independently so that they switched automatically when the input did, the way the filters do

    Any other suggestions? Perhaps LKS could adopt some for its next edition.
     
  13. dcguy73
    Well, for starters, they could add a (mini?) USB port for firmware updates directly from a computer instead of requiring users to physically open up the DAC and update the firmware while the power is on. I've been too timid to do the firmware update, because I'm afraid I'll accidentally fry the DAC or myself.
     
  14. Lennym
    While that would be nice, my guess is that's not possible as the issue is with the Amanero board rather than with the DAC. However, though inconvenient because you have to open up the unit, there is really no danger. The boards (Amanero + power supply for it) are removed while the power is off. While power is applied you only handle these boards away from the chassis Only about 5 volts is applied to them. Not much chance of frying anything. Then it's power off again for replacing the boards.

    Have you seen the detailed instructions originally prepared by LKS? You can get them from LKS or you can PM me with an email address.
     
  15. Whitigir
    Exactly, that is the amenero board design, unless they design it into another Way that can permit easier firmware upgrade. But at the moment, there is no such plan
     
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