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2. 

Specifications 

 
 

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) 
- Optical TOSLINK -  24 bit / 96 KHz (cod. D114) 

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 

<0.1% 1KHz -20dB 

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 

 
 

 
 
 
 
 
 
 

Summary of Contents for La Voce S3

Page 1: ...La Voce S3 D A converter Owner s Manual Rev 3 1 ...

Page 2: ...nce instructions in the owner s manual Modifications and alterations not approved by the manufacturer may violate adherence to EC regulations and make the appliance no longer suitable for use The manufacturer declines all responsibility for damage caused to persons or property due to the misuse or malfunction of device subject to unauthorized change In order to make changes that improve the alread...

Page 3: ...y Aqua will provide without charge the materials and labor necessary to restore the product to its original specifications In the alternative Aqua may at its sole option either replace the product with a new one of the same or equivalent model in the Aqua production or refund the purchase price of the product The warranty does not apply if the product has not been purchased from an authorized Aqua...

Page 4: ...utside the control of aqua Consequently these services or products are not covered by the warranty aqua disclaims any liability relating to them in particular those related to service interruptions or malfunctions of the services products provided by third parties GENERAL SAFETY INFORMATION The following general safety precautions must be observed during all phases of operation of this equipment F...

Page 5: ...ained personnel If necessary return the product to Aqua Acoustic Quality for service and repair to ensure that the safety features are maintained DO NOT service or adjust alone Do not attempt any internal service or adjustment unless a person capable of rendering first aid and resuscitation is present DO NOT substitute parts or modify equipment To avoid the occurrence of additional hazards do not ...

Page 6: ...In This Guide 1 Operation and Features 2 Specifications 3 DAC Configuration 4 Front panel 5 Back panel 6 PC connection ...

Page 7: ...ompromising 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 bala...

Page 8: ... 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 Optical TOSLINK 24 bit 96 KHz cod D114 Analogue Outputs UNBAL 2 RCA Out...

Page 9: ...l input PHASE 0 180 switch LED power indicator 5 Back panel On the rear panel you will find IEC connector of the power supply 220 240V or 100 120V Digital inputs RJ45 AQlink I2S serial bus 24 bit 384 kHz BNC coax S PDIF 75 ohm 24 bit 192 kHz USB port 24 bit 384 kHz DSD128 MODULAR INPUT upgradable 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...

Page 10: ...r have a native support for audio devices compliant with USB Audio Class 2 0 This means that the driver is already included in the operating system and the user needs not to install anything Just connect the La Voce DAC to your Mac and it will be immediately recognized by the OS and ready to use Macs with older OS need update To use aqua USB as output device for your Mac you need to select it as d...

Page 11: ...rating system and the user needs not to install anything Just connect the La Voce DAC to your PC with Linux and it will be immediately recognized by the OS and ready to use Windows XP VISTA 7 8 O S For the best sonic results you may want to use a player which support ASIO like Foobar or JRiver Media Center ASIO is a trademark of Steinberg Media Technologies GmbH ...

Page 12: ...Handcrafted in Italy AQ TECHNOLOGIES S r l Registered Office Via Luciano Manara 17 20122 Milano Operation Office Via Adobati 23 24022 Alzano Lombardo BG Italy info aquahifi com www aquahifi com ...

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