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IDEON audio - AYAZI DAC



ideon audio ayazi 0


The Ayazi offers support for up to24-bit/384kHz audio via USB and 24-bit/192kHz over S/PDIF. DSD64 and DSD128  

 playback capability is supported via USB (all via on-the-fly software conversion 352.8/24).

 

Inputs: for the Ayazi S/PDIF input we settled on
a low-jitter re-clocking controller from Wolfson,
which offered us the best sound coupled with
convenience. The USB input is full class-2; to avoid
damage during playback we fortified the input with
our proprietary electrostatic protection, shielding
the Ayazi from electrostatic discharge.

   

Convertion: Unlike many other sigma-delta
implementations, the converters we selected for
the Ayazi incorporate patented time-domain jitter
eliminator technology. This helps to deliver music
free from clock jitter common in digital audio
systems. 

Clock: to further refine the Ayazi’s sonic
performance we selected Crystek’s CCHD-957
HCMOS oscillator. This component sports -100dB/
Hz close-in phase and a noise floor of -169dB.
It matched our circuit design perfectly. Not
surprisingly, the oscillator was designed for audio
to begin with.

 

Power supply: It took us a long time to design,
refine and tune the Ayazi power supply. As usual
in such devices, it is not only a matter of providing
power but, especially, of maintaining a very low
noise threshold as well.

                                                           cchd957 

The results are exceptionally wide dynamic range, ultra-low distortion, accurate sound stage and musical clarity.

The Ayazi DAC key features

  • Coax and USB digital inputs,switchable from front panel
  • Class 2 USB input with electrostatic protection
  • Support for up to 32-bit/384kHz DXD audio via USB, and up to 24-bit/192kHz via Coaxial
  • DSD64 and DSD128 playback support on USB (via on-the-fly software conversion to 352.8/24)
  • Time domain jitter eliminator technology DAC chip
  • Low jitter, re-clocking S/PDIF input
  • Dedicated high speed asynchronous dual clock audio USB processor
  • New clocking architecture femto clock from Crystek used.Clocking architecture pushes jitter and noise floor below perceptible levels in our circuit
  • In house designed ultra low-noise power supply, custom-made transformer
  • High capacity main DC filter, selected audiophile series capacitors
 

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TECHNICAL SPECIFICATIONS

OUT F.SCALE  2.0V RMS  POWER  230 OR 120 V AC, 1A, 20W max
SNR (DC to 20kHz) >112dB  ENVIR   Operating Temp  32-95 degrees F
THD N  (1kHz FS 96 kS/s) <0.002%   Relative Humidity 5%-95% Non Cond. 
CROSSTALK -110dB  Dimensions  29cm x 17cm x 8cm
USB                  Transfer mode   Asynchronous (dual clock)
                Device class  Type 2 or above
                Bit depth  32  
                Sampling rates  44.1, 48, 88.2,96, 176.4, 192, 352.8, 384 kHz
SPDIF /COAXIAL INPUT  Bit depth    24 ;      Sampling rates   44.1, 48, 96, 192 kHz 
OUTPUT                           Stereo unbalanced; impedance  250 Ω.