dCS Varèse Mono DAC Pair (Incl. 2 ACTUS Cables)
dCS Varèse Mono DAC Pair (Incl. 2 ACTUS Cables) - Image 2

dCS Varèse Mono DAC Pair (Incl. 2 ACTUS Cables)

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The Varèse Mono DACs redefine state-of-the-art. Improved performance is made possible with an all-new DAC architecture (the Differential Ring DACTM) and clocking protocol (dCS Tomix) plus im- provements to analogue circuitry and power supplies.

As the Core handles the majority of DSP, the Mono DACs are free to focus on a singular purpose (Digital-to-Analogue conversion) for unprecedented musicality.

  • New Differential Ring DAC architecture brings major improvements in both linearity and noise floor
  • Next generation power supplies featuring new transformers, regulator topology and secondarycircuits provide even lower distortion and less transformer hum
  • New dCS Tomix clocking protocol brings unrivalled timing accuracy to Mono DAC configuration

Technology

The Varèse Music System utilises a Mono DAC configuration with a dedicated DAC for each audio channel (left and right).

This configuration allows us to deliver a number of benefits — such as improving the power supplies within each DAC and enhancing cross talk performance.

The Mono DACs utilise our new ACTUS and dCS Tomix technologies to deliver a superior sonic and measured performance with excellent local clocking, bit-perfect audio transmission and total system control.

Each DAC features a dedicated Differential Ring DACTM system — a new version of the dCS Ring DACTM — that brings improvements in noise floor and linearity.

 

Mono DAC Power Supplies

The Varèse Mono DACs feature new, improved hybrid power supplies for enhanced performance.

  • The twin transformers inside each Mono DAC have been optimised for analogue and digital operations.
  • Secondary power supply circuits have been redesigned to reduce magnetostriction in the transformer core and the mechanical hum this can create.
  • Power supply regulators utilise a power management chip to achieve power sequencing — bringing tighter and more flexible control of supply activation and deactivation.
  • Additional regulation is provided for the analogue supplies serving the balanced output stage, allowing us to further reduce common mode noise at that output.

 

Differential Ring DAC

The Differential Ring DAC is a new iteration of the dCS Ring DAC. There is a Differential Ring DAC inside each Varèse Mono DAC.

The Differential Ring DAC features 96 current sources for each audio channel. This means the Varèse Mono DACs have twice as many current sources for each audio channel as other dCS DACs.

In the Varèse Mono DACs, 48 current sources produce the analogue signal in the correct phase and 48 produce the same signal in antiphase. The outputs of these two sets of current sources is differenced, meaning the phase of the antiphase current sources is reversed and summed together with the correct phase current sources. This makes the Mono DACs inherently balanced in several areas, including residual noise, power supply draw summing node DC offset.

The differential design also improves on harmonic performance and allows us to further increase linearity while significantly lowering noise floor. This, in turn, brings significant sonic benefits – allowing us to once again elevate the musical experience we provide.