Gryphon Kalliope (Email or Call For Availability)

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Gryphon Kalliope

KALLIOPE, also known as Calliope, is the eldest among the Muses, the Greek goddesses of music, song, and dance. She specifically represents epic poetry and eloquence. In audio systems, there are crucial points along the signal path where the signal undergoes significant changes. These are the points where the signal is converted from one form of energy to another. For instance, when a phono cartridge needle moves along the grooves of a vinyl record, it converts kinetic energy into an electrical signal. Similarly, at the end of the signal path, loudspeakers convert electrical input into acoustic output. However, one of the most critical transformations is the conversion of the output from digital sources into an analog signal. This conversion must ideally occur without any loss or distortion. Despite claims by many manufacturers, any loss or alteration at this stage cannot be recovered or restored.


Dedicated ESS SABRE ES9018 32-bit D/A converter for each channel
Each ES9018 incorporates eight individual D/A converters in Dual Differential coupling for optimal performance
USB input compatible with following audio formats via PC/MAC. PCM: 44.1, 48, 88.2, 96, 176.4, 192, 352.8 and 384 kHz, up to 32 bits. DSD via USB (DoP): 2.822, 3.072, 5.644 and 6.144 MHz
BNC and XLR inputs compatible with PCM: 22.05, 24, 32, 44.1, 48, 64, 88.2, 96, 176.4 and 192 kHz, up to 24 bits
User-selectable PCM and DSD digital roll-off filters
User-selectable asynchronous PCM sample rate conversion
Temperature-compensated, ultra-low jitter crystal oscillators with better than 5 parts per million accuracy
12.5 Farad SuperCap powersupply for the Kalliope USB module which acts like a true battery supply
Balanced 110 Ohm XLR AES/EBU input
Balanced 110 Ohm XLR AES/EBU output for de-jittered signal from selected input
75 Ohm BNC connector for optional external word clock
Modular digital audio sections for possible future upgrades
True Class A, fully discrete analogue circuitry with zero negative feedback
First-order PCM analogue filters and second-order DSD analogue filters with silvered Mica capacitors
Analogue output stages with discrete, ultra-low noise +/- 25VDC regulated voltage supplies for best THD and noise suppression
Discrete, ultra-low noise power supply for analogue section of ES9018 DAC
Comprehensive noise regulation of all digital circuits
Custom-built 65 VA toroidal transformer for each analogue channel
34,000 microFarad power capacitor banks for each analogue channel
True Dual Mono configuration
Three single-ended 75 Ohm BNC S/PDIF inputs.
Balanced XLR analogue outputs and single-ended phono outputs
Ultra-short signal path with minimal internal wiring
Four-layer 70μ thick copper trace PCB’s
Personalised 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
Standby power consumption less than 0.5W in accordance with EU regulations
12V link in/out
Infrared remote control
EU CE approval
Designed and built in Denmark
Galvanic isolation of BNC and XLR inputs for minimal jitter