Cambridge Audio Azur 851E And 851W Pre And Power Amplifier Combo

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SKU: cambridge-audio-azur-851e-and-851w-pre-and-power-amplifier-combo Categories: ,


The 851E excels in keeping the signal pure. Every component has been designed not to interfere with the audio signal input and output, meaning that the harmonic distortion and noise levels are so low they’re almost impossible to measure and certainly can’t be heard. A solid state volume control and toroidal transformer also contribute to the incredible sonic purity of the 851E. The toroidal transformer delivers a high quality power output to the amplification circuits with no clipping of the waveform signal, to provide a consistent signal with no transformer noise, buzz or hum. These expensive components coupled to countless hours of tuning mean the 851E delivers an incredibly pure signal to your amplifier.

Delivering immense power and incredibly low distortion, the 851W power amplifier is perfectly matched to partner our 851E pre-amplifier and 851N network player; taking their pure signal and amplifying it with huge presence and authority.


Azur 851E:

  • THD (UNWEIGHTED): < 0.00045% @ 1kHz < 0.00057% @ 20kHz S/N (UNWEIGHTED): < 110dBr < 90dBu FREQUENCY RESPONSE: 10Hz – 100kHz ± 0.1dB CROSSTALK @1KHZ: > 110dB.
  • MAXIMUM OUTPUT: 8V RMS unbalanced 8V + 8V rms balanced.
  • OUTPUT IMPEDANCE: 100 Ohms (Unbalanced or Balanced)


Azur 851W:

  • Power output – stereo/mono. 200W per channel into 8 Ohms 350W per channel into 4 Ohms.
  • Power output – bridged mono. 500W 8 Ohms 800W 4 Ohms.
  • < 0.001% 1 kHz < 0.005% 20 Hz - 20 kHz.
  • 5Hz – 80kHz.
  • S/N ratio (ref 1W / 8 Ohn) >90dB (unweighted)
  • Sensitivity – stereo or mono. ...
  • Sensitivity – bridged mono. ...
  • Input impedances.