Technical Specifications - Cambridge Audio AZUR 851C User Manual

Technical specifications

All measurements are for 24-bit signals via the digital inputs so as not to
be source material limited unless stated.
D/A converters Dual Analog Devices
AD1955 24-bit DACs
Digital filter Analog Devices Black Fin
ADSP-BF532 32-bit DSP
performing 2nd Generation ATF2
up-sampling to 24-bit 384kHz
Linear Phase, Minimum phase or
Steep modes.
Analog filter 2 Pole Fully Differential
Linear Phase Bessel filter
Frequency response 20Hz to 20kHz (+/-0.1dB)
THD @ 1Khz 0dBFs < 0.0004%
< 0.0004%
THD @ 1Khz -10dBFs
THD @ 20Khz 0dBFs < 0.0007%
IMD (19/20kHz) 0dBFs < 0.0002%
Linearity @ -90dBFs +/- 0.2dB
Linearity @ -120dBF +/- 0.4dB
Stop-band rejection (>24kHz) > 120dB
S/N ratio, A weighted > 113dB
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
Output impedance < 50 ohms
0dB Fs Output 2.2Vrms (2.2Vrms each phase for the
balanced output)
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 USB Audio profile 2.0 (user
selectable)
USB Maximum Current Rating 500mA.
Compatibility USB 1.0:
24-bit 44.1kHz, 48kHz, 96kHz
USB 2.0:
16/24-bit 44.1kHz, 48kHz, 88.2kHz,
96kHz, 192kHz
Toslink:
16/24-bit 32-96kHz
S/PDIF and AES/EBU:
16/24-bit 32-192kHz
CD playback is intrinsically limited to
16-bit 44.1kHz
Dimensions - H x W x D 115 x 430 x 360 mm
(4.5 x 16.9 x 14.7")
Max power consumption 40W (CD playing)
Idle consumption 8W approx
Standby power consumption <0.5W
Weight 10kg (22lbs)
azur 851C
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