Aqua – La Scala MKII Optologic DAC

Aqua

La SCALA MKII Optologic DAC è un convertitore Digitale Analogico dall’anima classica ma progressiva al contempo. Architettura a Valvole e Mosfet per un suono incredibile.

€6.980,00 Tasse incl.

UN DAC SOLIDO NELLA TRADIZIONE

La SCALA MKII Optologic DAC è un Digital-to-Analog converter è la prova che “Classico” non vuol dire destinato a obsolescenza come accade a troppi molti prodotti nel mondo “High-End”!

La SCALA MKII Optologic DAC è il primo convertitore, dopo il famoso “FORMULA DAC”, ad incorporare il pluripremiato sistema di conversione proprietario ACQUA Hi-Fi. La SCALA MKII Optologic DAC è un punto di arrivo nella produzione ACQUA Hi-Fi poichè unisce armonicamente un suono di straordinaria qualità a nuovi aspetti più tecnici come la coerenza nel dominio del tempo, la micro dinamica, la timbrica senza perdere la magica atmosfera che ha reso celebre nel modo audiofilo il DAC La SCALA.

ARCHITETTURA IBRIDA IN CLASSE A

La SCALA MKII Optologic DAC mantiene l’architettura ibrida del circuito a Valvole e Mosfet aggiungendo ora una coppia di triodi ad Alta frequenza Telefunken ECC81 che si contraddistinguono per il coefficiente incredibilmente basso di rumore introdotto.

Preparatevi al suono incredibile che quest solo questo DAC è in grado di regalare!

CARATTERISTICHE – LA SCALA MKII OPTOLOGIC DAC

  • High performance proprietary FPGA-based digital decoding without digital filter
  • MOSFET Virtual battery circuit for analog anode supply
  • Proprietary USB Firmware / driver : Apple MAC OS – Linux OS : USB asynchronous native support, no need to install drivers software
  • Galvanic and magnetic isolations between the FPGA and R2R ladder converter
  • Soft-start power up for extended tube life
  • Discrete R2R ladder DACs with low noise precision resistors
  • etherCON RJ45 (AQlink) input connection, employs CAT6 cable can connect both RJ45 and professional etherCON RJ45
  • Jitter free digital interface AQlink (I2S protocol), uncompromising digital connection to La Diva cd transport
  • 2 separate low noise power transformers, one for the analog and one for the digital section
  • Zero S/PDIF Jitter design, digital receiver stage PLL (phase locked loop) technology
  • High-performance AQ Discrete Regulator (MOSFET, J-FET, BJT) for analog and digital DAC’s power supply
  • MODULAR DESIGN with upgradeable multi board system
  • Valve-Mosfet direct coupling analog stage in pure class-A without negative feedback
  • Regulated DC filament supplies with soft start for tubes
  • Fully discrete analog stage, not even a single Op-Amp is used
  • Fully upgradeable asynchronous USB module with resolution 44.1kHz to 384kHz PCM up to 24 bits, DSD64, DSD128, 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:
  1. – 105° long life capacitors
  2. – low noise Metal Foil ultra-precision resistors
  3. – double metallized film pulse capacitor
  4. – ultra-fast diodes
  5. – halogen free cables
  • Aluminium anti-resonant cabinet with Nextel
  • Designed and handmade in Italy
Categoria: Tag: , , ,
Digital to analog conversion type
Proprietary Optologic D/A conversion system
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 internally selectable
AQlink (I2S bus)
CMOS level
Oversampling factor
1x
Digital inputs
– RJ45 AQlink (I2S serial bus) – PCM 24 bit / 384kHz – DSD64, DSD128 via DoP
– BNC coax (S/PDIF) 75 ohm  –  PCM 24 bit / 192kHz – DSD64 via DoP
– RCA coax (S/PDIF) 75 ohm  –  PCM 24 bit / 192kHz – DSD64 via DoP
– AES/EBU balanced 110 ohm  –  PCM 24 bit / 192kHz – DSD64 via DoP
– USB port  –  PCM 24 bit / 384kHz – DSD64, DSD128 via DoP
– AT&T (ST Fiber) –  PCM 24 bit / 192kHz – DSD64 via DoP (optional)
Analogue Outputs
UNBAL 2 RCA Output 2.2 V RMS
BALANCED ( passive transformer’s symmetrical ) 2 XLR Output : 2.2V RMS
Output Impedance
100 ohm RCA – 600 ohm XLR
Load Impedance
10 kohm (min.) RCA – 600 ohm XLR
Frequency Response
20Hz to 22kHz +0.5dB/-0.5dB
Phase Response
Linear phase
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 370 x 100 mm
Weight
9 kg
Front finish
Satin Alu Silver or Satin Black
Case finish
Grey Nextel powder coated

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