Recent content by waynel

  1. W

    active subwoofer upgrade without having sub out

    I forgot that you are connecting to a computer via USB, that might be the source of your ground loop. As an experiment you could try to hook everything up as intended and disconnect the usb cable to see if the ground loop goes away.
  2. W

    active subwoofer upgrade without having sub out

    I'm assuming you mean a dac with balanced outputs. Btw are you connecting to the dac with toslink or coax? I would think that toslink (optical) would break the ground loop. Wayne
  3. W

    active subwoofer upgrade without having sub out

    how many prongs are on the 3e A5 power cord? I've done a little googling and others have had some ground loop issues with this amp. Can you borrow another amp to try?
  4. W

    active subwoofer upgrade without having sub out

    Its not the cable, it's a ground loop. Try powering the sub from the same power strip as everything else.
  5. W

    active subwoofer upgrade without having sub out

    try completely disconnecting the sub including the RCA cable from the Wiim Ultra. I think that the WiiM ultra can pass the filtered signal to the digital output so what you are doing now should work fine. To find the ground loop you want to pay attention to all connections including HDMI and...
  6. W

    active subwoofer upgrade without having sub out

    Even the sub is plugged in to the same power strip? Try disconnecting the sub and see if him goes away. I still think this is likely a ground loop.
  7. W

    active subwoofer upgrade without having sub out

    Sounds like a ground loop. Try plugging everything into the same power strip
  8. W

    running dual speakers per channel in stereo, WTF!?

    The scale on this graph is much more zoomed out than typical making it appear flatter. https://www.audiosciencereview.com/forum/index.php?threads/share-your-in-room-measurements.13540/
  9. W

    active subwoofer upgrade without having sub out

    I think you are going down the wrong path here. Proper subwoofer integration with bass management (including a high pass filter for the mains) is critical. I suggest getting rid of the WiiM Pro, and SMSL SU1 and replacing all that with a WiiM Ultra.
  10. W

    running dual speakers per channel in stereo, WTF!?

    Thank you , really curious to see the 1/12 octave too.
  11. W

    running dual speakers per channel in stereo, WTF!?

    Can you please post the 1 speaker vs 2 comparison with unsmoothed graphs?
  12. W

    Subwoofer - Line level or Speaker Level

    Then the WiiM ultra is a great solution for you.
  13. W

    Subwoofer - Line level or Speaker Level

    Your pre has rca outputs too. Does your amp have balanced inputs?
  14. W

    Subwoofer - Line level or Speaker Level

    What has only TRS output?
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