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CONVERTITORE D/A CH PRECISION C1

 

Preamplificatore/Convertitore digitale. 4 convertitori D/A PCM1704 per canale capaci di convertire fino a 24bit/192KHz su ingressi S/PIDF, Toslink, AES/EBU e fino a 32bit/768KHz e nativo DSD con il collegamento CH-Link. Circuitazione simmetrica dual-mono. Oscillatori VCXO a bassissimo jitter. 4 ingressi digitali in dotazione: 1 RCA S/PDIF, 1 Toslink, 1 AES/EBU e 1 CH-Link, mentre sono opzionali la scheda clock sync board per emettere o ricevere il sync da un’altra unità, quella Network per lo streaming, l’ingresso USB-B per PC/MAC sia 1.0 che 2.0 e l’ingresso analogico. Uscite analogiche in classe A, RCA, XLR e BNC. Controllo del volume a passi di 0,5dB con possibilità di by-pass. Display a colori RGB Amoled con risoluzione 480×272 pixels. Ingresso USB per aggiornamenti software. Controllo remoto tramite presa Ethernet. Alimentazione a discreti e separata per i vari stadi. Connettore per stadio di alimentazione esterna X1. Telecomando.


Altre caratteristicheInput Modularity

  • Factory fi tted with CH Link, AES/EBU, S/PDIF and Toslink digital inputs. The CH Link interface allows for synchronized transfer of high defi nition audio content including DSD (ideal interconnection to the D1 SACD, CD Transport/Player)
  • Ethernet audio streaming input, UPnP/DLNA compatible, optional
  • USB audio streaming input, optional
  • Analog balanced XLR and single-ended RCA inputs, optional

Processing

  • Proprietary CH-HiD synchronous data over-sampling processing
  • DSD to 705.6kHz PCM conversion
  • Resolution enhancement for audio material of less than 24bits
  • Digital to Analog converters data scrambling
  • Linearization of the R-2R converters through calibration process

Timing & Clocking

  • Ultra low jitter digitally controlled VCXO oscillators on dedicated power supplies
  • Optional Master/Slave synchronization board

Digital to Analog Conversion

  • Four R-2R converters per channel
  • Full dual mono symmetrical circuit topology
  • Discrete dedicated regulated linear power supplies for low noise and maximum channel separation

Volume Control

  • Bypassable 0.5dB step hybrid volume control

Analog Stage

  • Pure class A, fully symmetrical design
  • Fully discrete, ultra low noise, high slew rate design
  • Zero global feedback
  • Analog balanced XLR, single-ended RCA and BNC outputs
  • No capacitor in the audio signal path
 
 
Digital inputs

 

CH Link
High Definition Link

PCM 16 to 32bit/up to 768kHzDSD 1bit/2.8224MHz & 5.6448MHz, cyphered

AES/EBU XLR connector, up to 5Vpp, 110Ω, PCM 16 to 24bit/up to 192kHz
S/PDIF RCA connector, up to 1Vpp, 75Ω, PCM 16 to 24bit/up to 192kHz
Toslink Optical connector, PCM 16 to 24bit/up to 192kHz

 

Streaming inputs

 

USB input
asynchronous mode

PCM 16 to 24bit/up to 192kHz 
DSD 1bit/2.8224MHz, DoP mode only

Ethernet input
asynchronous mode

PCM 16 to 24bits/up to 192kHz, DoP encoded files compatible 
DSD 1bit/2.8224MHz & 5.6448MHz

WAV, AIFF, FLAC, ALAC, AAC, MP3 format supported in PCM 
DSF, DFF format supported in DSD

 

Analog inputs

 

Inputs type Balanced, 6V RMS maximum input level
Single-Ended, 6V RMS maximum input level
Input stage Discrete fully differential input stage
A/D conversion DSD 1bit/5.6448MHz direct conversion

 

D/A Conversion

 

Conversion type Linearized R-2R, 4x PCM1704 per channel, 705.6kHz/768kHz
DSP processing CH-HiD upsampler, synchronous, DSD to PCM conversion 
and resolution enhancer

 

Analog outputs

 

Outputs type

Balanced (XLR), one pair
Single-Ended (RCA & BNC), one pair each

Output stage

Discrete I/V stage with ultra-high bandwidth
Active discrete filtering stage
High-current discrete output stage

All analog stages have a zero global negative feedback

Output level 5.4V RMS in balanced mode
2.7V RMS in single-ended mode
Signal to Noise Ratio Better than 120dB
Total Harmonic Distortion + Noise Less than 0.001%

 

Synchronization

 

Clock input
BNC, 0.5Vpp to 5Vpp

75Ω or Hi-Z

44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz
22.5792MHz, 24.576MHz
100kHz, 10MHz

Clock output
2x BNC, 2Vpp, 75Ω

input sampling frequency or input clock if externally synchronized

 

General

 

Display 480×272 pixels, 24bits color, AMOLED
Mains operation Selectable 100V, 115, 230V AC, 47-63Hz
Power supply consumption <1W (standby), 60W average in operation
Dimensions/Weight 440 x 440 x 120mm (W x D x H), 24kg
Remote control IR Remote control provided, RC5 codes
Ethernet interface, TCP/IP control


Peso 25,0000 kg
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CONVERTITORE D/A CH PRECISION C1
24.000,00