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  1. #11
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    Re: Need help to choose the right Lumin

    Well Lumin U1 mini it will be
    Qobuz 1 - Tidal 0
    France is the champion!!! (in soccer too!)

  2. #12
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    Re: Need help to choose the right Lumin

    Quote Originally Posted by skbe View Post
    Question to all. What is the importance of this 3rd unfold?
    Does it really matter?
    It’s the most important. It takes you to the highest res of the MQA album.


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  3. #13
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    Re: Need help to choose the right Lumin

    Quote Originally Posted by skbe View Post
    Well Lumin U1 mini it will be
    Qobuz 1 - Tidal 0
    France is the champion!!! (soccer too)
    Ha! What’s soccer?


    Sent from my iPhone using Tapatalk
    My Systems: http://www.audioshark.org/showthread...481#post158481

    "We can hear everything we measure, but we can't measure everything we hear. Let your ears be your guide."

    Dealer for: Aqua Hi-Fi, Audio Research, Aurender, AudioQuest Cables & Power Products, Avantgarde Acoustics, Avid HiFi, Ayre Acoustics, Berkeley Audio Design, Bowers & Wilkins (B&W), Bryston, Chord, Constellation Audio, FirstWatt, Focal Headphones & Loudspeakers, Furutech, Fyne Audio Loudspeakers, GigaFoil, Gryphon Audio, Harbeth Loudspeakers, Hegel, HiFi Man, iFi Audio, ISO Acoustics, JL Audio, Keces Power Supplies, Lumin, Luxman, Magico Loudspeakers, MBL Speakers & Electronics, MIT Cables, MSB Technologies, MySonicLabs Phono Cartridges, Naim Audio, Ortofon, Pass Labs, Quadraspire, Rega Turntables, Roon Labs, Shunyata Research, SimAudio, SRA, Stein Music Products, Stillpoints, T+A Electronics, VAC, Vicoustics, Viva Audio, VPI Industries.

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  4. #14
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    Re: Need help to choose the right Lumin

    skbe - For full MQA decoding the final unfold is DAC specific, so a device like the U1 Mini which is effectively a digital transport is unable to provide the final unfold. Here's a good basic explanation of the MQA process, including MQA Core and Rendering. Of course everything matters in audio, and without the third unfold you will not recover the full resolution of the digital file as detailed in the link provided. Hope this helps!

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  6. #15
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    Re: Need help to choose the right Lumin

    Thank you very much and thanks to Mike

  7. #16
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    Re: Need help to choose the right Lumin

    Between the D2 and U1 MINI, I also think D2 is perhaps better for you.

    - U1 MINI: Only one USB output is active at any time. When USB audio output is being used, the other coaxial / toslink / AES should not be used.
    - U1 MINI is newer than D2. All Lumin models receive firmware updates.
    - Both devices are functionally similar in terms of HiRes, Tidal, Qobuz, Spotify Connect, AirPlay, Roon Ready and how they're controlled for playback from NAS.

    For the MQA, I'll use the official MQA terminology so it'll be different.

    D2 does full MQA decoding to analog outputs.

    For D2 BNC-SPDIF output and U1 MINI all digital outputs, Lumin can perform MQA Core decoding (first unfold) to output 88.2kHz or 96kHz, which can be fed into another non-MQA DAC (or a MQA Renderer DAC).

    This is because the final MQA rendering can only be done to analog outputs that is optimized for individual DAC hardware implementation profile. As for Core decoding vs full decoding: the Core decoding recovers the musical information embedded in the MQA format, and the final rendering gives you more MQA sound signature than no rendering.

    If you primarily use Qobuz and don't subscribe to Tidal, and have no MQA CD rips, then this does not matter.

    Note that for playback of MQA and DSD, D2 analog output and BNC-SPDIF output are not simultaneously active. Only one can be used.
    Peter Lie
    LUMIN Firmware Lead

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  9. #17
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    Re: Need help to choose the right Lumin

    As it happens, we have a D2 right next to an ND8006. Since you haven't described a need for the different digital output options of the U1 Mini, the D2 essentially lets you use it as both a streamer with digital out to the ND8006 or as a streaming DAC. In other words, the D2 provides more functionality at a very modest cost.

    Specifically with respect to your two scenarios, the ND8006 and D2 sound different. So ideally you might bring your ND8006 in to a Lumin dealer to compare the DAC between the two. Or having both the ND8006 and D2, you would be able to switch back and forth as desired, and perhaps you have use for other ND8006 functionality like the CD player.
    Neko Audio
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  10. #18
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    Re: Need help to choose the right Lumin

    Roon does my first unfolding and my Lumin D2 does the second. I'm also using an Sbooser BOTW MK II linear power suppler and it really enhances the openness and bass extension of the D2.
    - Steve

    McIntosh MA252 Integrated Amp • Lumin D2 Network Player with an Sbooster BOTW MK II Linear Power Supply • Rega Apollo R CD Player • Harbeth C7ES3 Loudspeakers • Magnepan .7 Loudspeakers • JL Audio D108 Subwoofer •
    Sound Anchor Four Post Monitor Stands • Analysis Plus Black Oval 12 Speaker Cables • Analysis Plus Solo Crystal Oval Balanced Interconnects • PS Audio Dectet Power Center • PS Audio AC3 Power Cable • PS Audio Noise Harvestors • VTI 3 Post Modular Component Rack • Roon with a Nucleus core

  11. #19
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    Re: Need help to choose the right Lumin

    Quote Originally Posted by Tubes View Post
    Roon does my first unfolding and my Lumin D2 does the second. I'm also using an Sbooser BOTW MK II linear power suppler and it really enhances the openness and bass extension of the D2.
    By default with no DSP configured, Roon would let D2 perform both MQA Core decoding and MQA rendering.

    With Roon MQA Capabilities for Lumin D2 set to "Renderer Only", then Roon will do the Core decoding and the D2 will do the MQA rendering.

    (Which steps are done where can be checked in the Roon signal path display.)

    Have you compared both methods or did you hear a difference?
    Peter Lie
    LUMIN Firmware Lead

  12. #20
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    Re: Need help to choose the right Lumin

    Yes Peter, I have tried both configurations and I prefer it when my D2 is set to renderer only.
    - Steve

    McIntosh MA252 Integrated Amp • Lumin D2 Network Player with an Sbooster BOTW MK II Linear Power Supply • Rega Apollo R CD Player • Harbeth C7ES3 Loudspeakers • Magnepan .7 Loudspeakers • JL Audio D108 Subwoofer •
    Sound Anchor Four Post Monitor Stands • Analysis Plus Black Oval 12 Speaker Cables • Analysis Plus Solo Crystal Oval Balanced Interconnects • PS Audio Dectet Power Center • PS Audio AC3 Power Cable • PS Audio Noise Harvestors • VTI 3 Post Modular Component Rack • Roon with a Nucleus core

 

 
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