La Voce S2

Aqua Acoustic La Voce S2

La Voce S2


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 -1704 arrayed in dual mono configuration (PCM1704 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 10 , 8 , 7 and XP 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

– 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 (2 dac) – sign magnitude R2R ladder DAC 24bit / 192 kHz – DFD MODE


Native Sample Rates Supported
24 bit / 192 KHz
AQlink – I2S serial bus :
24 bit / 384 Khz
Asynchronous USB (High Speed) USB Type B
Digital Receiver PLL (phase locked loop) technology 128 or 256 FS internally selectable
AQlink (I2S bus) CMOS level
Digital filter Proprietary DFD (Direct From Decoder) digital decoding without digital filter
Oversampling factor 1x
Digital to analog conversion type MODULAR:
Multibit sign magnitude R2R ladder (PCM1704 DAC option)
Analogue Outputs UNBAL 2 RCA Output 2.1V RMS
BALANCED (asymmetrical output) 2 XLR Output : 4.2V RMS
Current / voltage conversion (I / V) Resistor passive (I / V)
Output Impedance 100 Ω RCA – 200 Ω XLR

Load Impedance 10 k Ω (min.)
Frequency Response 20Hz to 20kHz +0.5dB/-0.5dB
THD + N <0.1% 1KHz -20dB
Front Panel Power, input selector, Phase Invert switch
Power Consumption Infra Red (RC5)
Power Consumption Power Consumption
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