Das Labor-Urteil ist eindeutig: Weltklasse!
Azur 851C
Upsampling DAC, CD Player & Preamplifier
Our finest CD player and DAC, the 851C uses our extensive digital knowledge to become the cornerstone of your digital hub. No matter the source of your digital music, twin DACs in dual differential mode and 2nd generation Adaptive Time Filtering make the music sound as the original artist intended – extraordinary.
"Sweet, refined and simply musical... the sonic performance is absolutely consistent. Highly recommended!"
- AV MAX, JULY 2014
Azur 851C
Upsampling DAC, CD Player & Preamplifier
Our finest CD player and DAC, the 851C uses our extensive digital knowledge to become the cornerstone of your digital hub. No matter the source of your digital music, twin DACs in dual differential mode and 2nd generation Adaptive Time Filtering make the music sound as the original artist intended – extraordinary.
"Sweet, refined and simply musical... the sonic performance is absolutely consistent. Highly recommended!"
- AV MAX, JULY 2014
Press reviews

Hi-Fi & Records
Germany,
Das Labor-Urteil ist eindeutig: Weltklasse!
Customer Reviews
The details
Dual Analog Devices AD1955 24-bit DACs
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.
2 Pole Fully Differential Linear Phase Bessel filter
S/PDIF 75 Ohms or TosLink optical
S/PDIF 75 Ohms or TosLink optical
XLR balanced 110 Ohms per phase
USB Type B conforming to Audio profile 1.0 or 2.0 (user selectable)
Balanced XLR and unbalanced RCA analogue audio outputs
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 is intrinsically limited to 16-bits 44.1kHz
< 0.0004%
< 0.0004%
< 0.0007%
< 0.0002%
+/- 0.2dB
+/- 0.4dB
> 120dB
< 60pS for all digital inputs, CD playback and USB 2.0 < 180pS for USB 1.0
< -130dB
< -114dB
< 50 Ohms
2.2Vrms (2.2Vrms each phase for the balanced output)
40W
8W
<0.5W
Black or silver
430 x 115 x 360mm (16.9 x 4.5 x 14.7”)
10.0Kg (22lbs)
Yes
Azur 851C Upsampling DAC, CD Player & Preamplifier, Power Cable, 3 x AAA Batteries, Remote Control