Ayon Audio Stratos DAC

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Ayon Audio

Type: DACs

Ayon Audio Stratos DAC

Ayon Audio is pleased to introduce the new audiophile  “Stratos “ reference  DAC.

The Stratos is also prepared for computer playback and general DSD professional audio use. The quad differential gain stage is composed of 2 high performance tubes per channel. The Stratos DAC features a vastly overrated, high capacity power supply for the analog output stage with tube “bridge” rectification, choke coupling and two oversized power transformers. The sound is powerful with fantastic bass speed, extraordinary dynamic, airy, finely detailed and outstanding 3D holographic.  The Stratos offers an uncompromising build and reference sound quality level in every aspect.

Features & Design

Full-featured Tube D/A converter
Class-A triode vacuum-tube output stage for single-ended & balanced operation

Signal Path
We believe that the simplest circuits work best together with the shortest signal path. That is why our pre-amplifiers to date have used single-ended pure class-A circuitry. The shorter the signal path is, the less possibility of sonic degradation from various sources, including the wire itself. Even on the circuit boards, the copper traces are kept to a very minimum length. The completely redesigned circuit board provides a more straightforward and direct approach to the signal paths.

  •  Logical sequenced soft-start power up for extended tube life 
  • Warm up function
  • 0dB negative feedback  (of any kind )
  • Ultra short signal path
  • Simplest direct circuit path for purest musical sound and high reliability
  • Low output impedance for driving long runs interconnect to an amplifier, and any tube or solid state
    power amp
  • No solid state devices in the analog tube output (signal path )
  • Minimal discrete wiring for optimum signal propagation
  • No followers or buffers in the signal path
  • High quality parts throughout
  • Fully hand assembled to insure the highest level of craftsmanship
  • Separate analog output stage for left and right channel
  • Analog inputs ( single-eded and fully balanced)
  • All digital inputs
  • Internal hardware PCM upsampler for CD sources to 24/192K (can be disabled)
  • Native 192kHz PCM and DSDx128 conversion
  • Ultra-low jitter internal clock generator
  • USB input (24/192 asynchronous  and DSD)

    Power Supply
    The power supplies have been further refined with new components and enhanced AC line noise filtration. Separate power transformer windings and filters provide total isolation between the input and output stage which makes this a pure power source and it is a critical attribute for a 6H30 output stage. We also use electrolytic capacitors with much larger storage capacity to make up for the loss in filtering when using resistors in lieu of inductors.

    • 2 separate R-Core / Low noise – insulated power transformer for digital & analog
    • Tube rectification
    • Choke – filtered power supply and coupled with special film caps
    • Innovative power supply provides a high speed energy delivery on transients
    • Separate and isolated power supplies over each stage of amplification 
    • Regulated DC filament supplies with soft start for tube
    • AC power line filter to avoid noise and hash from entering into the unit.
    • 10 separate voltage regulators

    The type of parts used therefore must have a synergistic relationship to the circuit they are placed in. It is this relationship of which type of part to use where, that ranks our products apart from the mass.

    • Selected, premium quality passive components used in all applications
    • High speed  & high quality audiophile grade coupling capacitors
    • High quality tube sockets with gold pins
    • Superior capacitors ( MKP 1% )
    • High quality – RCA & XLR jack
    • Gold-plated industrial grade PCB

    Mechanical Construction
    The high grade aluminum chassis impart a richer, more lustrous tonality with a cleaner back-ground and less hash and grain. All brushed anodized anti-vibration-resonance and non-magnetic chassis’s are fully hand assembled to insure the highest level of craftsmanship.

    • Front panel descriptions are engraved
    • AC phase polarity control indicator
    • The aluminium feet are resonance absorbing types
    • Chassis finish: black / chrome


    Digital/Analog Converter

    Ayon Stratos

    Conversion rate

    32 bit, PCM up to 192k, 64xDSD, 128xDSD

    DAC configuration

    16 mono DACs to 2-stereo outs

    Tube complement – Analog output


    Dynamic range

    > 130dB

    Output level @1 kHz / Rms


    Output impedance  Single-Ended-RCA

    ~ 300 Ohms

    Output impedance  Balanced-XLR

    ~ 300 Ohms

    Digital input

    1 x S/PDIF, 1 x AES/EBU, 1 x Toslink,
    1 x BNC, 1 x USB, 1 x I2S, 3 x BNC for DSD

    Analog input

    2 x RCA & 1 x XLR

    Analog output

    RCA & XLR

    S/N ratio

    > 120 dB

    Frequency response

    20Hz - 20kHz  +/- 0.2dB

    Total harmonic distortion @ 1kHz

    < 0.002%

    Remote control


    Dimension (WxDxH) cm

    48x42x11 cm


    17 kg

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