Gryphon Audio Kalliope DAC

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In any audio system, there are certain points along the signal path that are more crucial than others. These are the intersections where the signal is converted from one form of energy into another. Such transformations occur when the needle of a phono cartridge traverses the micro-grooves of a vinyl record, converting kinetic energy into an electrical signal. At the opposite end of the signal path, loudspeakers must transform electrical input into acoustic output.

But perhaps the most critical transformation of all is the conversion of the output of digital sources into an analogue signal, ideally without loss or distortion of any kind. Despite the lofty claims of many manufacturers, what is lost or changed at this point can never be recovered or restored.

In acknowledgement of the on-going refinement of digital audio sources and the rapid evolution of high-resolution digital audio formats, Gryphon Audio Designs now presents the Gryphon Kalliope digital to analogue converter to stand as the gateway that conveys the musical signal from one domain to the next in utterly pristine condition.

  • Type: Ultra-high resolution audio DAC with balanced audio
  • Frequency Response: 0 Hz to 192 kHz
  • Converter Chip: ESS Sabre ES9018 32-bit/384kHz
    Each of the two ES9018 incorporates eight individual D/A converters in
    Dual Differential coupling for optimal performance
  • DSD: DSD64, DSD128, DSD256, and DSD512
  • Signal To Noise: < -118dB
  • PCM Via USB: 32 to 384kHz
  • PCM Via Inputs 1 Through 4: 22 to 192 kHz
  • First-order PCM analogue filters and second-order DSD analogue filters with silvered Mica capacitors
  • Analog Amplification Stage: True Class A, fully discrete analogue circuitry with zero negative feedback
  • THD+N: <0,0025% @ -6dB
  • User-selectable PCM and DSD digital roll-off filters
  • User-selectable asynchronous PCM sample rate conversion
    Temperature-compensated, ultra-low jitter crystal oscillators
    Better than 5 parts per million accuracy
    Power Supply: 12.5 farad SuperCap power supply for the Kalliope USB module,
    which acts like a true battery supply
  • Digital Inputs: Balanced 110 Ohm XLR AES/EBU input and three BNC 75 Ohm S/PDIF inputs.
  • Galvanic isolation of BNC and XLR inputs for minimal jitter
  • Digital Output: Balanced 110 Ohm XLR AES/EBU output for de-jittered signal from selected input
  • Clock Output: 75 Ohm BNC connector for optional external word clock
  • Analog Outputs: Balanced XLR and single ended RCA
  • Analog Output Level: 4.3Vrms
  • Custom Install Remote Power: 12V link in/out
  • Modular digital audio sections for possible future upgrades
  • Custom-built 65 VA toroidal transformer for each analogue channel
  • 34,000 microfarad power capacitor banks for each analogue channel
  • True Dual Mono configuration
  • Ultra-short signal path with minimal internal wiring
  • Four-layer 70 micron thick copper trace PCB’s
  • Personalized naming of each input
  • Vacuum Fluorescent Display with variable illumination
  • No drivers required for LINUX or MAC OSX
  • Driver available for Windows XP/Vista/7/8
  • Automatic standby mode with user-selectable interval
  • Infrared remote control
  • Dimensions: 48 x 13.5 x 38.7 (WxHxD in cm)
  • Weight: 24 lbs.

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