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Ideon Audio Ayazi mk. II

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Hurtigt overblik

Ayazi mk. II er en perle af en DAC. Den bider skeer med DACs til mange gange prisen, og byder på en lyd der overrasker fra første strofe. Ro og orden kendetegner lyden, og så er den bare så hamrende engagerende at det er svært med at stoppe med at spille musik,. Designet er simpelt og funktionelt, men under motorhjelmen er der en meget velovervejet konstruktion hvor alt er taget med i beregningerne.
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Detaljer

The Ayazi was conceived, designed, and sonically fine-tuned by a team of audiophiles and music lovers with professional, engineering knowhow. The aim: bring out the musical magic encoded in the numbers stored within the digital medium, and make it user-friendly and affordable. In other words,to create a device that we,music and audiophiles alike, would wish for.

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.
 
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.
 
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.
 
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.
 

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 viaCoaxial
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 transformerHigh capacity main DC filter, selected audiophile series capacitors

 

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.

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