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.

• 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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