CAMBRIDGE AUDIO 851E/W Pre Power Amp Combo Silver
CAMBRIDGE AUDIO 851E/W Pre Power Amp Combo Silver CAMBRIDGE AUDIO 851E/W Pre Power Amp Combo Silver
CAMBRIDGE AUDIO 851E/W Pre Power Amp Combo Silver

Regular Price: $5,579.00

Special Price: $5,150.00

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RRP :$6,668.00
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THE CHORD COMPANY Cobra VEE3 XLR Cable

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CAMBRIDGE AUDIO 851E Stereo Pre Amplifier Black.

1Quantity

$2,699.00

$2,084.56

CAMBRIDGE AUDIO 851W Stereo Power Amplifier Black.

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$3,599.00

$2,779.67

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Overview

Details

Azur 851E Pre-Amplifier

Stunning signal-noise ratios – Total harmonic distortion for the 851E is now 0.00045% @1KHz, 0.000057% @20kHz. Signal-noise (unweighted) is 110dBr, 90dBU. Those figures are at the very limit of what we can even measure.

Solid state volume control – While the volume is controlled digitally, but the volume control is analogue. This innovative, solid state solution delivers absolutely precise and linear control and retains channel balance perfectly at low levels while ensuring the audio signal is left untouched.

Terrapin impedance buffering modules – Cambridge Audio's proprietary modules replace the op-amps commonly found in similar preamplifiers. At the critical low level gain stages, these offer far improved stereo separation and imaging – unheard of at this price point.

Integration – The 851E has a wider range of input options than its predecessors, with eight inputs including three switchable between unbalanced RCA and balanced XLR – the latter ideal for connecting to a broad range of high-end sources. Plus flexible and configurable trigger, IR outputs and control bus make it easy to connect to modern power amps.

All-metal chassis – Including extensive use of aluminium

Azur 851W Power Amplifier

Class XD amplification – Cambridge Audio's proprietary amplification system switches dynamically between Class A and AB systems. Class A amplification delivers the purest possible sound, using only one transistor to conduct, but can be energy inefficient. Class AB involves both transistors conducting simultaneously, but makes it impossible to maintain a balance of low crossover distortion and power efficiency. Our Class XD system operates in both Class A and Class AB mode, dynamically moving the crossover point depending on the audio output volume. This combines the near zero crossover distortion of pure Class A with improved efficiency of Class AB at higher volumes, without any compromises in performance for the best of both world.

Serious power – 200W into 8 Ohms stereo mode is serious power. But for those with bigger plans, the 851W is usable in a mono bridged configuration with each amplifier delivering 500W RMS.

Two toroidal transformers – Separate, high-end transformers for the power amplifier and input and other circuitry ensure audio performance is unaffected by the dramatic current output swings required to drive demanding speakers, by keeping power supplies entirely separate.

Terrapin impedance buffering modules – Cambridge Audio's proprietary modules replace the op-amps commonly found in similar amplifiers. At the critical low level gain stages, these offer far improved stereo separation and imaging – unheard of at this price point.

CAP5 proprietary protection – Protects the integrity of your system by avoiding DC spikes, overheating, short circuits or clipping.

Integration – Smart auto-standby mode detects incoming audio signals to simplify integration with Cambridge Audio preamplifiers.

All-metal chassis – Including extensive use of aluminium to create massive structural rigidity, careful damping and control of acoustic resonance.

Features

Details

Azur 851E Pre-Amplifier

  • Barely measurable distortion – total harmonic distortion 0.00045% @1KHz, 0.000057% @20kHz, signal-noise (unweighted) 90dBU
  • Innovative solid state volume control – retains analogue audio signal purity and precisions even at low levels
  • 8 inputs including 3 XLR balanced/RCA unbalanced switchable
  • Cambridge Audio's Terrapin impedance buffering modules – separating amplifier and signal impedance
  • Flexible and configurable trigger/IR outputs and control bus for connection to power amp
  • All-metal chassis - this combines massive structural rigidity, careful damping and control of acoustic resonance
  • Remote Control – Compatible with the entire 851 range

Azur 851W Power Amplifier

  • Cambridge Audio's Class XD amplification with 12 output transistors per channel combines the best of Class A and AB amplification
  • Separate toroidal transformers for power amp and input/other circuitry
  • Cambridge Audio's Terrapin impedance buffering modules – separating amplifier and signal impedance
  • 200W into 8 Ohms stereo mode or 500W RMS per amp mono bridged mode
  • Cambridge Audio's CAP5 protection from DC spikes, overheating, clipping etc.
  • <0.5W smart auto-standby mode for integration with preamplifiers
  • All metal chassis with premium components, creating massive structural rigidity, careful damping and control of acoustic resonance.
  • Remote Control – Compatible with the entire 851 range
Specifications

Details

Azur 851E Pre-Amplifier

  < 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)
Subwoofer output Flat or 200Hz 2nd Order Butterworth LPF
Max power consumption 36W
Bass & Treble controls Shelving type
Max bass boost/cut ± 10 dB at 10 Hz
Max treble boost/cut ± 7.5 dB at 20 kHz
Standby power consumption <0.5W
Dimensions (H x W x D) 115 x 430 x 385mm (4.5 x 16.9 x 15.2’’)
Weight 8.1kg (17.9lbs)

Azur 851W Power Amplifier

 

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
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)
Sensitivity – stereo or mono 1.5V 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 2400W
Standby power consumption Standby <0.5W
Dimensions (H x W x D) 148 x 430 x 365mm (5.8 x 16.9 x 14.4”)
Weight 19.1kg (42.2lbs)
 

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