AQUA - ACOUSTIC QUALITY LA VOCE S3 DAC


Here is the update about the aqua - acoustic quality La Voce S3 with technical data and key features. The world premiere of La Voce S3 will be at the Axpona.

Key features

• R2R resistor ladder network D/A conversion
• High performance proprietary FPGA-based digital decoding without digital filter
• 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
• Discrete Regulator (MOSFET, J-FET, BJT) for analog and digital DAC’s power supply
• MODULAR DESIGN with upgradeable multi board platform
• 2 separate low noise transformers, one for the analog and one for the digital section
• Fully discrete analog stage
• Electronically-balanced XLR outputs
Performance characteristics
• Proprietary USB Firmware / driver :
Apple MAC OS - Linux OS : USB asynchronous native support, no need to install drivers software
• Fully upgradeable high-speed USB Audio Class 2 module, PCM 44.1kHz to 384kHz PCM up to 24 bits, DSD64 / DSD128, operates with computers running OSX 10.7 and above, WINDOWS 10, 7, 8, XP with ASIO bit perfect
• 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
• Analog output: RCA single-ended - XLR balanced asymmetrical
• Aluminium anti-resonant cabinet with Nextel • Designed and handmade in Italy
Digital to analog conversion type
 Proprietary Discrete DAC
Pure R2R ladder - FPGA (Field Programmable Gate Arrays) based without digital filter
Supported Native Sample Rates
AQlink / I2S serial bus - USB PC Audio : 44.1kHz to 384kHz PCM up to 24 bits
DSD64, DSD128
Supports DSD via DoP on all inputs
 DAC architecture
Multibit sign magnitude R2R ladder (upgradable)
Asynchronous USB (High Speed)
USB Audio Class 2 with Type B connector
Digital Receiver
PLL (phase locked loop) technology 128 or 256 FS selectable
AQlink (I2S bus)
LVCMOS level

Oversampling factor
1x
Analog Conversion method
Pure R2R ladder - FPGA (Field Programmable Gate Arrays) based digital decoding without digital filter
Digital inputs
- RJ45 AQlink (I2S serial bus) - 24 bit / 384 KHz
- BNC coax (S/PDIF) 75 ohm - 24 bit / 192 KHz
- USB port - 24bit / 384 kHz PCM - DSD64, DSD128
AQ-i modular input:
- AES/EBU balanced 110 ohm - 24 bit / 192 KHz (cod. D111) - RCA coax (S/PDIF) 75 ohm - 24 bit / 192 KHz(cod. D113)
- AT&T (ST Fiber) - 24 bit / 192 KHz(cod. D112)

Analogue Outputs
UNBAL 2 RCA Output 2.4 V RMS
BALANCED (asymmetrical output) 2 XLR Output : 4.8V RMS
Output Impedance
100 Ω RCA - 600 Ω XLR
Load Impedance
10 k Ω (min.) RCA - 600 Ω XLR
Frequency Response
20Hz to 22kHz +0.5dB/-0.5dB
THD + N
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Front Panel
Power, input selector, Phase Invert switch
Power Consumption
100-115V / 220-240V; 50 or 60Hz - 58VA
Dimensions
( W x D x H ) 450 x 310 x 100 mm
Weight
7 kg
Front finish
Satin Alu Silver or Satin Black
Case finish
Grey Nextel powder coated