特點
• High performance proprietary DFD (Direct From Decoder) digital decoding without digital filter for purest digital signal quality
• Galvanic isolated S/PDIF – AES/EBU Digital input
• Jitter free digital interface AQlink (I2S protocol), uncompromising digital connection to La Diva cd transport
• Zero S/PDIF Jitter design, digital receiver stage PLL (phase locked loop) technology
• precision sign magnitude R2R ladder DAC with 2 Burr-Brown PCM -1704K arrayed in dual mono configuration (PCM1704-K DAC option)
• Passive current / voltage conversion (I / V)
• Discrete Regulator (MOSFET, J-FET, BJT) for analog and digital DAC’s power supply
• RJ45 (AQlink) input connection, employs CAT6 cable
• 2 separate low noise power transformers, one for the analog and one for the digital section
• MODULAR DESIGN with upgradeable multi board system
• Fully discrete analog stage, not even a single Op-Amp is used
• Proprietary USB Firmware / driver : Apple MAC OS – Linux OS : USB asynchronous native support, no need to install drivers software
• Fully upgradeable Bit perfect asynchronous USB module with resolution up to 24 bit and 192 KHz, operates with computers running OSX 10.7 and above, Windows XP, 7 and 8 ASIO – WASAPI bit perfect high-speed
• Digital phase selector on front panel
• High-quality parts selected for sound quality:
– 105° long life capacitors
– low noise Metal Foil ultra-precision resistors
– metallized film pulse capacitor
– ultra-fast diodes
• Aluminum anti-resonant cabinet with Nextel
• Designed and handmade in Italy
• Input:
– RJ45 AQlink (I2S serial bus) – 24 bit / 384 KHz
– BNC coax (S/PDIF) 75 ohm – 24 bit / 192 KHz
– USB port – 24 bit / 192 KHz
– MODULAR INPUT upgradeable, options:
– AES/EBU balanced 110 ohm – 24 bit / 192 KHz
– RCA coax (S/PDIF) 75 ohm – 24 bit / 192 KHz
– AT&T (ST Fiber) – 24 bit / 192 KHz
– Optical TOSLINK – 24 bit / 96 KHz
• Analog output:
– RCA single-ended
– XLR balanced asymmetrical (optional)
DAC options:
– cod. D104K – Burr Brown PCM1704-K (2 dac) – sign magnitude R2R ladder DAC 24bit / 192 kHz – DFD MODE (本次試聽的版本)
– cod. D101 – Philips TDA1541A – R2R 16 bit / 96 kHz – DFD MODE (R1, S1 grade selection on request)
– cod. D165 – Analog Devices AD1865 – R2R 18 bit / 192 kHz – DFD MODE
aqua: http://www.aquahifi.com/
