Unison Research Unico CD Due

Posted on 9th September, 2015

Unison Research Unico CD Due

Compact Discs are still alive, at least according to Australian distributor Chris Strom of Radiance AV. Representing Unison Research in Australia, Strom gave StereoNET details of the upcoming Unico CD Due, a high-end CD player and DAC.

Unico CD Due is a high level integrated CD player and DAC. Combining the best of two worlds that seem to be dividing more and more, the CD Due will connect via digital inputs including USB, S / PDIF, AES / EBU and Toslink to stream music from computer or network storage, as well as allowing the connection to the DAC via Bluetooth for streaming from your smartphone or tablet. Not forgetting the high quality CD transport, the CD Due is set to become the perfect hub for your media.

The USB input of the CD Due uses the latest generation D/A converter and can manage signals up to 384kHz PCM and DSD up to 11,2896MHz, as well as decoding practically all formats and sampling rates currently available.

The DAC is certainly no compromise. Using the ESS Sabre DAC ES9018K2M chip, and like the Chord Hugo or PS Audio Direcstream, the use of an FPGA allows faster response times in the management of the digital data, allowing specialised functionality and greater power than typical DSP processors. Allowing flexibility and to tailor to specific listener preferences, there are three selectable digital filters, F1 filter high slope and linear phase, F2 filter high slope and minimum phase, F3 filter low slope and linear phase.

Unison Research CD DueWhen designing the CD Due, engineers separated the digital section and circuitry from the analogue section. The DAC section contains 11 stabilised power supplies to ensure clean and uncompromised power to each device on the board. Using cascading power supplies has also led to the best possible sound reproduction from the DAC; the first filters and stabilises the power supply, the second lowers voltage, the next further stabilises and removes any
residual noise, and so on.

CD Due also uses a valve output stage. Utilising two stabilizers, one for the anodic supply and one for the filaments, the signal and power paths are combined in a stellar like connection in the center of the board, and then connect to the DAC board in order to reduce noise and disturbance.

So while the CD may not be dead just yet, intelligent products such as the CD Due allow listeners to combine digital media and enjoy the best of both worlds.

Unison Research CD Due is available next month for $7,000 RRP.

Unison Research is distributed by Radiance Audio Visual.

Marc Rushton's avatar

Marc Rushton

English born but now residing down under, StereoNET’s Founder is still buried deep in the review room auditioning everything from docks to soundbars, amplifiers and headphones. Marc is also the founder of the International Hi-Fi Show.

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Posted in: Hi-Fi
Tags: unison research  cd due  radiance audio visual 

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