Unison Research Unico CD Due DAC/CD Player

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From £3,500.00 (FREE UK Delivery)
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The Unico CDDue brings Unison Research right into the popular and versatile digital audio world.
Not just a CD player, the Unico CDDue combines a high-level DAC with a top-end CD mechanism. It is feature-rich, flexible and customizable to the listener’s preference. A variety of external sources can be connected to the Unico CDDue, including a laptop or computer for playing all known audio formats – including DSD – via USB.

Key Features:
  • High-quality CD and DAC Player 
  • Back-lit OLED display for information feedback
  • Intuitive user interface based around RC2 remote control
  • 4 x ECC83 valve output stage
  • ESS Sabre DAC
  • aptX Bluetooth
  • Connect iPad/iPod/iPhone directly via Lightning to USB cable (not included)
  • Premium sand-blasted Silver finish or Black finish
Technical Specification:
  • Transport: 8829CD-KHM DVD-Loader
  • Digital Interface: 128 x 64 white OLED Graphic Display
  • DAC: ESS Sabre ES9018k2M with Jitter Eliminator 
  • Signal-to-Noise Ratio: 128dB (0dBFS, 1kHz, “A” weighted) 
  • I/V Converter: AD8597/AD8599
  • Sampling Frequencies: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, DSD64, DSD128, DSD256
  • Output Stage: Double Triode, Pure Class A differential Totem-pole 4 x 12AX7/ECC83 Valves
  • Power Consumption: 100W (max.)
  • Dimensions (W x D x H): 45 x 38 x 13cm
  • Net Weight: 10kg

Digital Inputs:

1 x USB 

  • Standard: USB 2.0 Audio Class
  • frequencies: 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, DSD64, DSD128, DSD256
  • Resolution: 16 to 32 bits

1 x S/PDIF 

  • Sensitivity: 0.5Vpp on 75 Ohms 
  • Sampling frequencies: 44.1, 48, 88.2, 96, 176.4, 192
  • DSD64 (DoP)
  • Resolution: 16 to 24 bits


  • Sensitivity: 2Vpp on 110 Ohms 
  • Sampling frequencies: 44.1, 48, 88.2, 96, 176.4, 192
  • DSD64 (DoP)
  • Resolution: 16 to 24 bits

1x Toslink™ 

  • Sampling frequencies: 44.1, 48, 88.2, 96 (176.4 and DSD64-DoP with high efficiency transmitters)
  • Resolution: 16 to 24 bits

1 x Bluetooth™ Receiver

  • Standard: BT 3.0
  • Profiles: A2DP, SSP (HID supported with Android smartphones through SPP)
  • Sampling frequencies: 44.1kHz, 48kHz
  • Resolution: 16 bits

Digital Output:

1x  S/PDIF 

  • Output voltage: 0.5Vpp on 75 Ohms 

1x  AES/EBU 

  • Output voltage: 2Vpp on 110 Ohms 

1x Toslink™ 

Digital to Analogue Stage: 


  • ESS Sabre ES9018K2M with jitter eliminator
  • SNR: 128dB (0dBFS, 1kHz, 192kHz, “A” 
  • weighted)
  • THD+N: 0.0003% (0dBFS, 1kHZ, 20Hz-20kHZ)
  • Timing: low phase noise, high precision crystal 
  • oscillators 

IV Converter

  • AD8597/AD8599 ultralow distortion, ultralow noise, use high-quality components like wima capacitor and wishay resistor 

We endeavour to despatch same day for orders placed up to 12 noon on available stock items (items with stock message "Usually dispatched within 24 hours"). Please remember to check with us first for a physical stock check if next day delivery is important to you. Any items with stock message "Usually dispatched within 72 hours" are items that we do not hold in stock but order in from the importer or manufacturer as soon as a customer order is recieved. Occasionally these may be delayed beyond 72 hours due to importer/manufacturer stock levels but we will inform you as soon as we can if this is the case.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Non Mainland locations - Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland may take a day or so longer and are not Free of Charge. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Turntableworld or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

COLLECT IN STORE OR HOME INSTALL:At the request of the manufacturer some items cannot be supplied by mail order but you can click and buy them and then elect to collect them from our store or arrange a home install (if applicable). Applicable items clearly state that they are Collect in store or home install. Once ordered you will receive a message prompting you to contact us by phone or email to arrange for us to deliver and install or to reserve and collect from our store at your convenience, you will also be advised of the delivery time / stock availability as not all Home install / collect in store items are held in stock. 

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