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Lumin U1

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After years of requests from existing high-end DAC owners, the LUMIN team have taken the finest components from the flagship S1 model and developed them specifically for digital processing and output. Using a new dedicated LUMIN U1 processor adds upsampling and downsampling for every supported format – all the way from 44.1kHz to DSD128 and DXD – providing maximum DAC compatibility and optimization.

As well as supporting DSD output over SPDIF (via DoP), LUMIN U1 also adds DSD128 digital output via 2 new USB ports


  • Transport-only unit based on the award-winning LUMIN S1
  • 5 types of digital audio output including new USB
  • DSD128 5.6MHz
    PCM 44.1–384kHz 16–32bit
  • Native Tidal & Qobuz support


  • DSD Support: Up to DSD128 5.6MHz, 1-bit
  • Upsampling and downsampling rates & bit depths: Upsampling and downsampling to and from any supported rate including DSD128 and 384kHz PCM
  • DIGITAL Outputs:
    • 2x USB: DSD128, 5.6MHz, 1bit, Stereo or PCM 44.1khz–384kHz, 16–32bit
    • Optical, Coaxial RCA, Coaxial BNC & AES/EBU: DSD (DoP, DSD over PCM) 2.8MHz, 1bit or PCM 44.1kHz–192kHz, 16–24bit
  • Power Supply:
    • External dual-toroidal
    • Available in 240V and 110V versions
  • Lumin (solid aluminium chassis):
  • 350mm (W), 345mm (D), 60mm (H), 8kg
  • Dual-toroidal PSU: 100mm (W), 315mm (D), 55mm (H), 2kg


  • Streaming Protocol:

    • UPnP AV protocol with audio streaming extension
    • Gapless Playback
    • On-Device Playlist
  • Supported Audio File Formats:

    • DSD Lossless:

      • DSF (DSD), DIFF (DSD), DoP (DSD)
    • PCM Lossless:

      • FLAC, Apple Lossless (ALAC), WAV, AIFF
    • Compressed (lossy) Audio:

      • MP3, AAC (in M4A container)
  • Supported Audio Sample Rates, Bit Depths, Number of Channels:

    • PCM, 44.1kHz – 384kHz, 16 – 32bit, Stereo
    • DSD, 2.8MHz, 1bit, Stereo
  • Upsampling rates & bit depths:

    • DSD upsampling option for all files up to 96kHz
  • Supported Control Devices:

    • All models of Apple iPad (v2 or later). iOS 5.0 or later required. Full Retina Display support.
  • App Features:

    • High-resolution artwork. Artwork caching. AirPlay compatibility. Multiple-tag handling. ‘Composer’ tag support. Find & Filter. Tag browsing.
  • Input:

    • Ethernet Network 100Base-T
    • USB storage, flash drive, USB hard disk (Single-partition FAT32, NTFS and EXT2/3 only)
  • Outputs:

    • Analog Audio:

      • XLR balanced, 4Vrms, pin 2 Hot
      • RCA unbalanced, 2Vrms
    • Digital Audio:

      • BNC SPDIF:
        • PCM 44.1kHz-192kHz, 16-24bit
        • DSD (DoP, DSD over PCM) 2.8MHz, 1bit
  • Finish:

      • Raw brushed aluminium
  • Other:

    • Firmware-upgradable for further features and enhancements

12493655_629047270566312_6207508661615811391_o    U1 spec and photo

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