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Cambridge Audio warrants this product to be free from defects in 

materials and workmanship (subject to the terms set forth below). 

Cambridge Audio will repair or replace (at Cambridge Audio's option) this 

product or any defective parts in this product. Warranty periods may vary 

from country to country. If in doubt consult your dealer and ensure that 

you retain proof of purchase.
To obtain warranty service, please contact the Cambridge Audio 

authorised dealer from which you purchased this product. If your dealer 

is not equipped to perform the repair of your Cambridge Audio product, 

it can be returned by your dealer to Cambridge Audio or an authorised 

Cambridge Audio service agent. You will need to ship this product in 

either its original packaging or packaging affording an equal degree of 

protection.
Proof of purchase in the form of a bill of sale or receipted invoice, which 

is evidence that this product is within the warranty period, must be 

presented to obtain warranty service.
This Warranty is invalid if (a) the factory-applied serial number has 

been altered or removed from this product or (b) this product was not 

purchased from a Cambridge Audio authorised dealer. You may call 

Cambridge Audio or your local country Cambridge Audio distributor to 

confirm that you have an unaltered serial number and/or you made a 

purchase from a Cambridge Audio authorised dealer.
This Warranty does not cover cosmetic damage or damage due to 

acts of God, accident, misuse, abuse, negligence, commercial use, or 

modification of, or to any part of, the product. This Warranty does not 

cover damage due to improper operation, maintenance or installation, or 

attempted repair by anyone other than Cambridge Audio or a Cambridge 

Audio dealer, or authorised service agent which is authorised to do 

Cambridge Audio warranty work. Any unauthorised repairs will void this 

Warranty. This Warranty does not cover products sold AS IS or WITH ALL 

FAULTS.
REPAIRS OR REPLACEMENTS AS PROVIDED UNDER THIS WARRANTY 

ARE THE EXCLUSIVE REMEDY OF THE CONSUMER. CAMBRIDGE AUDIO 

SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL 

DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY IN 

THIS PRODUCT. EXCEPT TO THE EXTENT PROHIBITED BY LAW, THIS 

WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND 

IMPLIED WARRANTIES WHATSOEVER INCLUDING, BUT NOT LIMITED TO, 

THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PRACTICAL 

PURPOSE.
Some countries and US states do not allow the exclusion or limitation of 

incidental or consequential damages or implied warranties so the above 

exclusions may not apply to you. This Warranty gives you specific legal 

rights, and you may have other statutory rights, which vary from state to 

state or country to country.
For any service, in or out of warranty, please contact your dealer.

Limited warranty

Plug Fitting Instructions (UK only)

The cord supplied with this appliance is factory-fitted with a UK mains 

plug  fitted  with  a  3-amp  fuse  inside.  If  it  is  necessary  to  change 

the fuse, it is important that a 3-amp fuse is used. If the plug needs 

to be changed because it is not suitable for your socket, or becomes 

damaged, it should be cut off and an appropriate plug fitted following 

the wiring instructions below. The plug must then be disposed of safely, 

as insertion into a mains socket is likely to cause an electrical hazard. 

Should it be necessary to fit a 3-pin BS mains plug to the power cord, the 

wires should be fitted as shown in this diagram. The colours of the wires 

in the mains lead of this appliance may not correspond with the coloured 

markings identifying the terminals in your plug. Connect them as follows:
The wire which is coloured BLUE must be 

connected to the terminal which is marked 

with the letter 'N' or coloured BLACK.
The wire which is coloured BROWN must 

be connected to the terminal which is 

marked with the letter 'L' or coloured RED.
The wire which is coloured GREEN/

YELLOW must be connected to the 

terminal which is marked with the letter 'E' 

or coloured GREEN.
If a standard 13-amp (BS 1363) plug is used, a 3-amp fuse must be 

fitted or, if any other type of plug is used, a 3-amp fuse must be fitted, 

either in the plug or adaptor, or on the distribution board.

Ventilation

IMPORTANT

 – The unit will become hot when in use. Do not stack 

multiple units on top of each other. Do not place in an enclosed area 

such as a bookcase or in a cabinet without sufficient ventilation. 
Ensure that small objects do not fall through any ventilation grille. If this 

happens, switch off immediately, disconnect from the mains supply and 

contact your dealer for advice.

Positioning

Choose the installation location carefully. Avoid placing it in direct 

sunlight  or  close  to  a  source  of  heat.  No  naked  flame  sources,  such 

as lighted candles, should be placed on the unit. Also avoid locations 

subject to vibration and excessive dust, cold or moisture. The unit can 

be used in a moderate climate. 
This unit must be installed on a sturdy, level surface. Do not place in a 

sealed area such as a bookcase or in a cabinet. Do not place the unit on 

an unstable surface or shelf. The unit may fall, causing serious injury to 

a child or adult as well as serious damage to the product. Do not place 

other equipment on top of the unit.
Due to stray magnetic fields, turntables or CRT TVs should not be located 

nearby due to possible interference.
Electronic audio components have a running in period of around a week 

(if used several hours per day). This will allow the new components to 

settle down and the sonic properties will improve over this time.

Power sources 

The unit should be operated only from the type of power source indicated 

on the marking label. If you are not sure of the type of power-supply to 

your home, consult your product dealer or local power company.
This unit can be left in Standby mode when not in use and will draw 

<0.5W in this state. To turn the unit off, switch off at the rear panel. If 

you do not intend to use this unit for a long period of time, unplug it from 

the mains socket.

Overloading 

Do not overload wall outlets or extension cords as this can result in a risk 

of fire or electric shock. Overloaded AC outlets, extension cords, frayed 

power cords, damaged or cracked wire insulation and broken plugs are 

dangerous. They may result in a shock or fire hazard. 
Be sure to insert each power cord securely. To prevent hum and noise, 

do not bundle the interconnect leads with the power cord or speaker 

leads.

Cleaning

To clean the unit, wipe its case with a dry, lint-free cloth. Do not use any 

cleaning fluids containing alcohol, ammonia or abrasives. Do not spray 

an aerosol at or near the unit.

Battery disposal

Batteries may contain substances harmful to the environment. Please 

dispose of any discharged batteries with due consideration and in 

accordance with local environmental/electronic recycling guidelines.

Servicing 

These units are not user serviceable. Never attempt to repair, 

disassemble or reconstruct the unit if there seems to be a problem. 

A serious electric shock could result if this precautionary measure is 

ignored. In the event of a problem or failure, please contact your dealer.

Summary of Contents for 851E

Page 1: ...Your music our passion 851E azur Pre Amplifier User s manual 2 ENGLISH...

Page 2: ...ual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer All trademarks and registered trademarks are the property of their re...

Page 3: ...ct any air inlets or outlet grilles Do not cover the ventilation grilles with items such as newspapers tablecloths curtains etc This unit must not be used near water or exposed to dripping or splashin...

Page 4: ...ram The colours of the wires in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug Connect them as follows The wire which is coloured...

Page 5: ...some Cambridge Audio units including the matching 851W power amplifier Refer to the Power syncing section of this manual for more information 6 IR Infra Red Emitter In Allows modulated IR commands fro...

Page 6: ...nent that you wish to listen to highlighted by a solid circle on the display The signal selected is also fed to the Rec Out sockets so that it may be recorded The input should not be changed whilst re...

Page 7: ...by Mute appearing and the volume level being replaced by two flashing dashes in the display Press again to cancel mute 4 Volume Increase or decrease the volume of the amplifier output 5 Illuminate bu...

Page 8: ...m are designed to reject electrical noise from power wiring etc and also the effects of noise currents flowing through ground connections The basic principle of balanced interconnection is to get the...

Page 9: ...iring it is recommended to connect to the LF terminals The metal strip connecting the low frequency terminals to the high frequency terminals must not be removed only to be removed for a bi wiring sys...

Page 10: ...portant 851W settings Before making any connections to the loudspeakers make sure all power is turned off and only use suitable interconnects e g banana plugs Ensure that the positive and negative con...

Page 11: ...Source 7 Rec In The 851E stores whether direct mode is on or off for each input individually for example it is possible to have the tone controls automatically active for the Tuner source but not the...

Page 12: ...led The relative levels of the inputs can be adjusted by gain trim This allows each to be adjusted so that each sounds the same in terms of average loudness when you switch between them Pick the loude...

Page 13: ...t may be desirable to disable the IR function by setting IR to off In the System settings menu press the Control input select button to enter the submenu Pressing the IR input select button will scrol...

Page 14: ...tandby 3 W Overload Overvoltage overcurrent detection Indicator Unit has switched off during operation Description CAP5 offers V I protection by constantly monitoring the output transistors to keep th...

Page 15: ...ms unbalanced 8V 8V rms balanced Output impedence 100 Ohms Unbalanced or Balanced Subwoofer out Flat or 200Hz 2nd Order Butterworth LPF Max power consumption 36W Bass Treble controls Shelving type Max...

Page 16: ...Audio is a brand of Audio Partnership Plc Registered Office Gallery Court Hankey Place London SE1 4BB United Kingdom Registered in England No 2953313 www cambridge audio com 2013 Cambridge Audio Ltd...

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