Azur 851C
The Azur 851C is a CD player, upsampling DAC and digital preamplifier in one full-size chassis. It suits listeners who want to play CDs and connect computers or other digital sources to a hi-fi system through balanced or unbalanced outputs.
- CD player, upsampling DAC and digital preamp in one unit
- Dual Analog Devices AD1955 24-bit DACs, dual differential mode
- Upsamples to 24-bit/384kHz with three selectable filter modes
- Inputs: 2x S/PDIF/TosLink, AES/EBU XLR, USB Type B
- Balanced XLR and unbalanced RCA analogue outputs
- Black or silver finish; gapless playback
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The 851C plays CDs and also works as a standalone DAC and preamplifier. It uses two Analog Devices AD1955 24-bit DACs in dual differential mode. A Black Fin ADSP-BF532 DSP applies 2nd generation Adaptive Time Filtering to upsample audio to 24-bit/384kHz, with Linear Phase, Minimum phase and Steep filter modes to choose from.
Digital sources connect through two S/PDIF inputs (coaxial 75 Ohm or TosLink optical), a balanced AES/EBU XLR input and a USB Type B input. The USB input can be set to Audio profile 1.0 or 2.0. Coaxial, AES/EBU and USB 2.0 inputs accept up to 24-bit/192kHz, while TosLink and USB 1.0 accept up to 96kHz. Playback is gapless.
Analogue audio leaves through balanced XLR and unbalanced RCA outputs. The unit comes in black or silver with a remote control. The model is listed as archived on the maker's site.
Video
Specifikationer
- Mærke
- Cambridge Audio
- Model
- Azur 851C
- Kategori
- Hi-Fi og hjemmelyd › Afspillere
Audio
- DACs
- Dual Analog Devices AD1955 24-bit DACs
- Digital filter
- Analog Devices Black Fin ADSP-BF532 32 bit DSP performing 2nd Generation ATF2 upsampling to 24-bit/384kHz. Linear Phase, Minimum phase or Steep modes.
- Analogue filter
- 2 Pole Fully Differential Linear Phase Bessel filter
- THD (unweighted) @ 1kHz 0dBFS
- < 0.0004%
- THD (unweighted) @ 1kHz -10dBFS
- < 0.0004%
- THD (unweighted) @ 20kHz 0dBFS
- < 0.0007%
- IMD (19/20kHz) 0dBFS
- < 0.0002%
- Linearity @ -90dBFS
- +/- 0.2dB
- Linearity @ -120dBFS
- +/- 0.4dB
- Stop-band rejection (>24kHz)
- > 120dB
- Total correlated jitter
- < 60pS for all digital inputs, CD playback and USB 2.0; < 180pS for USB 1.0
- Crosstalk @ 1kHz
- < -130dB
- Crosstalk @ 20kHz
- < -114dB
- Gapless playback
- Yes
Inputs
- Digital input 1
- S/PDIF 75 Ohms or TosLink optical
- Digital input 2
- S/PDIF 75 Ohms or TosLink optical
- AES/EBU input
- XLR balanced 110 Ohms per phase
- USB audio input
- USB Type B conforming to Audio profile 1.0 or 2.0 (user selectable)
- Supported formats
- USB 1.0 16-24 bit, 32-96kHz; USB 2.0 16-24 bit, 32-192kHz; TosLink 16-24 bit, 32-96kHz; S/PDIF and AES/EBU 16-24 bits 32-192kHz; CD playback limited to 16-bit 44.1kHz
Outputs
- Audio outputs
- Balanced XLR and unbalanced RCA analogue audio outputs
- Output impedance
- < 50 Ohms
- 0dBFS output
- 2.2Vrms (2.2Vrms each phase for the balanced output)
Power
- Max. power consumption
- 40W
- Idle consumption
- 8W
- Standby power consumption
- <0.5W
Physical
- Colour
- Black or silver
- Dimensions (WxHxD)
- 430 x 115 x 360mm (16.9 x 4.5 x 14.7")
- Weight
- 10.0Kg (22lbs)
In the box
- Included
- Azur 851C Upsampling DAC, CD Player & Preamplifier, Power Cable, 3 x AAA Batteries, Remote Control