Vendita REGA DAC R CONVERTITORE D/A FINO A 192 KHZ INGRESSI USB SPDIF OTTICO Ingrandisci

REGA DAC R CONVERTITORE D/A FINO A 192 KHZ INGRESSI USB SPDIF OTTICO

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6343

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Technology

The input stage comprises a Wolfson digital receiver with a high stability, low jitter clock. The receiver and PLL have their own dedicated power supplies. The DAC stage comprises of a pair of parallel-connected Wolfson WM8742 DAC's driven via a buffer stage, which ensures the integrity of the data being fed to the DAC IC's similar to the arrangement used in the Isis (Rega's reference CD player). Great care has been taken to remove noise generated by the PC and other input sources. During development this was identified as a major drawback with many DAC's on the market today.

The output amplifier employs a discrete differential multiple feedback filter and output amplifier, with a high cut-off frequency for use with higher sample rates. We decided not to use a sample rate converter and process the data at the incoming sample rate which keeps the signal processing to a minimum. Jitter was minimised by synchronously clocking the digital data with our receiver PLL (removing any jitter from the input signal).

All the capacitors associated with the analogue signal path are Nichicon FG bypassed with MMK polyester capacitors, and low impedance conductive polymer capacitors are used for DAC decoupling. The power supply utilizes a toroidal transformer, fast rectifier diodes and again, Nichicon FG capacitors. There is a power supply for the control microcontroller, separate from the digital & analogue audio stages. Special attention is paid to the inter IC control signals ensuring the control data noise is kept to a minimum.

  • 16-20-24-bit at 32kHz to 192kHz digital to analogue conversion
  • User selectable, digital filters
  • Two isolated Co-axial inputs, two ToslinkSPDIF inputs & isolated USB input
  • Input stage comprising of a Wolfson digital receiver with a high stability, low jitter clock
  • Jitter minimised by synchronously clocking the digital data with our receiver PLL
  • A pair of parallel-connected Wolfson WM8742 DAC's, which are driven via a buffer stage, a similar configuration to that used in the Isis CD player
  • Output amplifier with a discrete differential multiple feedback filter and output amplifier
  • Housed in a brand new custom steel & aluminium case
  • Dimensions: Width 220mm x Depth 320mm x Height 80mm

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REGA DAC R CONVERTITORE D/A FINO A 192 KHZ INGRESSI USB SPDIF OTTICO

REGA DAC R CONVERTITORE D/A FINO A 192 KHZ INGRESSI USB SPDIF OTTICO

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