Cambridge Audio Azur 851W Power Amplifier

Category: Power Amplifiers, 

Product Code: 851W

Availability: Low


The 851W power amplifier, with immense power and incredibly low distortion. It’s perfectly matched to partner our 851E pre-amplifier and 851N network player; taking their pure signal and amplifying it with huge presence and authority. You’ll re-discover your favourite music in a quality that you’ve never heard before.


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Power output 
stereo/mono200W per channel into 8 Ohms 350W per channel into 4 Ohms
Power output 
bridged mono500W 8 Ohms 800W 4 Ohms
THD (unweighted)
< 0.001% 1 kHz < 0.005% 20 Hz - 20 kHz
Frequency response
5Hz – 80kHz
S/N ratio (ref 1W / 8 Ohn)
>90dB (unweighted)
stereo or mono1.5V rms unbalanced 1.5 + 1.5V rms balanced
Sensitivity bridged mono
0.775V rms unbalanced 0.775V + 0.775V rms balanced

Input impedances
Balanced input 38 kOhm Unbalanced input 68 kOhm
Power amp damping factor
> 110 at 1 kHz

Max. power consumption
Standby power consumption
Standby <0.5W
Black or Silver
Dimensions (HxWxD)
148 x 430 x 365mm (5.8 x 16.9 x 14.4”)
19.1kg (42.2lbs)