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  1. C

    Usb-c to spdif

    There is an automotive version of an adapter with Bluetooth just in case someone needs it: https://store.sure-electronics.com/product/815
  2. C

    Usb-c to spdif

    You will need a usb hub to power this setup or the battery will run out quickly.
  3. C

    Usb-c to spdif

    Do you want a powered unit or you want to be powered from the source?
  4. C

    There is no ATC SCM150ASL Pro review or frequency response curve.

    According to Amir: ''I have a draft of a new distortion measurement. It is a level sweep at 500 Hz showing just THD (distortion) but no noise. Why 500 Hz? Research shows that harmonic distortions of 500 Hz have the highest chances of reaching the most sensitive part of our hearing and hence...
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    PURIFI finally did a fully purified passive speaker design! The SPK 16 prototype is here - with a PTT tweeter

    There seems to be some difference regarding IMD but not so significant: https://www.erinsaudiocorner.com/driveunits/sbacoustics_sb17cac35-4/ https://www.erinsaudiocorner.com/driveunits/purifi_ptt65w04/
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    The Fun Little Gadget is Here! Cooling Fan Control Hub Feedback Request

    It would be nice if you sold the fans together as a kit and create some installing hardware for the fans eg magnets or suction etc.
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    Help with Topping A30Pro Review (Balanced Headphone Amp) problems

    Talk with Topping support unless you want to use the DAC with power bank(s)
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    Help with Topping A30Pro Review (Balanced Headphone Amp) problems

    There could be grounding issues in your place. Power the sources with battery and use optical or usb isolators to reduce the noise. Use the amps alone away from switching power supplies.
  9. C

    Help with Topping A30Pro Review (Balanced Headphone Amp) problems

    Try this: remove everything from the same outlet especially devices that use smps if possible and power them from a different outlet or power the a30 pro from a different room.
  10. C

    Help with Topping A30Pro Review (Balanced Headphone Amp) problems

    It comes from the pc probably. Can you try with your phone or a laptop with battery power through usb?
  11. C

    BluDento BLT-2 compared to BerryBak BEA1

    How do you change source between usb and Bluetooth?
  12. C

    RME LNI-2 DC honest talk

    Ok you just wanted to measure your specific setup cool.
  13. C

    RME LNI-2 DC honest talk

    You need to measure the impact of the different power supplies to amps connected in the same power strip with the different lower supplies. Older amps with high hum spec like my old Technics should reveal the differences.q
  14. C

    A surprise on Qobuz...

    No it is not intel nuc specific. I just gave some examples. I had same experience in my old pc. There reports everywhere about this. Even Amir in a review mentioned something about not been able to isolate pc noise from usb. You are free to investigate.
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    A surprise on Qobuz...

    https://electronics.stackexchange.com/questions/216959/what-does-the-y-capacitor-in-a-smps-do "In my experience as an electronic engineer I have found quite a lot of professional class II power supplies have a leakage of around 80v AC to ground due to the presence of the Y capacitor. The IEE...
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    A surprise on Qobuz...

    https://www.audiosciencereview.com/forum/index.php?threads/ground-loop-elimination-and-pc-usb-noise.10612/post-293651 https://www.autodesk.com/products/fusion-360/blog/linear-regulated-vs-switch-mode-power-supply/
  17. C

    A surprise on Qobuz...

    https://www.audiosciencereview.com/forum/index.php?threads/mains-leakage-currents.5552/post-123892
  18. C

    A surprise on Qobuz...

    https://archimago.blogspot.com/2022/03/measurements-topping-hs01-usb-20.html?m=1
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