Cambridge Audio Stereo Amplifier Azur 840EW User Manual

azur 840E  
Pre-Amplifier  
User’s manual  
2
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azur 840E  
Limited warranty  
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.  
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.  
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.  
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.  
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 unit must be installed on a sturdy, level surface. Do not place in a  
sealed area such as a bookcase or in a cabinet. Any space open at the  
back (such as a dedicated equipment rack) is fine however. 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.  
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 purchased  
from a Cambridge Audio authorised dealer.  
Due to stray magnetic fields turntables or CRT TVs should not be located  
nearby due to possible interference.  
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.  
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, 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.  
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.  
This unit has been designed to be left in Standby mode when not in use,  
this will increase the life of the amplifier (this is true with all electronic  
equipment). To turn the unit off completely switch off on 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  
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.  
Do not overload wall outlets or extension cord 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  
Plug Fitting Instructions (UK Only)  
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.  
The cord supplied with this appliance is factory fitted with a UK mains plug fitted  
with a 5 amp fuse inside. If it is necessary to change the fuse, it is important that  
a 5 amp one 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:  
Battery disposal  
Please dispose of any discharged batteries according to local  
environmental/electronic waste disposal guidelines.  
Loudspeakers  
Before making any connections to loudspeakers, make sure all power is  
turned off and only use suitable interconnects.  
The wire which is coloured BLUE must be  
connected to the terminal which is marked  
with the letter ‘N’ or coloured BLACK.  
Servicing  
The wire which is coloured BROWN must be  
connected to the terminal which is marked  
with the letter ‘Lor coloured RED.  
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.  
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 5 amp fuse must be fitted, or if any  
other type of plug is used a 5 amp fuse must be fitted, either in the plug or adaptor,  
or on the distribution board.  
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Contents  
Introduction  
Important safety instructions.....................................................................2  
Limited warranty..........................................................................................3  
Contents.......................................................................................................4  
Introduction .................................................................................................4  
Rear panel connections..............................................................................5  
Front panel controls....................................................................................6  
Remote control............................................................................................7  
iPod compatibility........................................................................................7  
Input connections .......................................................................................8  
Power syncing..............................................................................................8  
Output connections.....................................................................................9  
Mono Bridged connections ......................................................................10  
Operating instructions..............................................................................11  
Pre-Amplifier setup ...................................................................................11  
Multi-Room connections...........................................................................14  
Custom installation use............................................................................15  
Technical Specifications...........................................................................15  
Troubleshooting.........................................................................................15  
Thank you for purchasing this Azur 840E Pre-Amplifier. We hope that  
you will enjoy many years of listening pleasure from it.  
Cambridge Audio has taken the Azur 840 series to its peak with the  
introduction of two new models – the 840E Pre-Amplifier and 840W  
Power Amplifier. The 840E is a high-end pre-amplifier which uses  
Cambridge Audio’s new proprietary TerraPin™ modules for  
unprecedented audio fidelity, forming the perfect partner for the  
accompanying 840W power amplifier.  
Other features include the use of precision resistor ladders switched by  
gold plated relay contacts for the volume and balance controls rather  
than the more common solid-state or volume potentiometer schemes.  
Volume is controllable in 1 dB steps over most of the range, giving very  
fine control, an accurate logarithmic law and superbly accurate channel  
balance. Input switching is also by high quality gold contact relays.  
Inputs 1 and 2 feature balanced inputs using XLRs giving optimal  
performance with equipment such as the matching 840C Upsampling  
CD player which feature balanced outputs.  
The casework combines massive structural rigidity with careful damping  
and control of acoustic resonance. An Azur Navigator remote control is  
also provided, giving full remote control in an attractive and easy to use  
handset.  
We have also included support for multi-room use. By plugging in one or  
two external Cambridge Audio Incognito keypads and a power supply  
unit, this unit can become the hub of a simple multi-room system. In  
addition, Control Bus Input/Output, IR Emitter Input, Trigger In/Out and  
RS232 control are featured making it easy to integrate the 840E into a  
Custom Installation system if desired.  
Your pre-amplifier can only be as good as the system it is connected to.  
Please do not compromise on your source equipment, power amplifier  
or cabling. Naturally we particularly recommend models from the  
Cambridge Audio Azur range, in particular the matching 840W Class  
XD™ Power Amplifier. These have been designed to the same exacting  
standards as this pre-amplifier. Your dealer can also supply excellent  
quality Cambridge Audio interconnects to ensure your system realises its  
full potential.  
Thank you for taking the time to read this manual; we do recommend  
you keep it for future reference.  
Matthew Bramble,  
Cambridge Audio Technical Director  
and the 840E/840W design team  
hardware and software releases.  
This guide is designed to make installing and using this product as easy as  
possible. Information in this document has been carefully checked for accuracy at  
the time of printing; however, Cambridge Audio's policy is one of continuous  
improvement, therefore design and specifications are subject to change without  
prior notice. If you notice any errors please feel free to email us at:  
This document contains proprietary information protected by copyright. All rights  
are reserved. No part of this manual 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  
respective owners.  
Incognito, Incognito Ready and TerraPin are trademarks of Cambridge Audio Ltd.  
All rights reserved.  
Class XD Technology International Patent Pending Cambridge Audio Ltd.  
© Copyright Cambridge Audio Ltd 2007  
A-BUS and A-BUS Ready are registered trademarks of LeisureTech Electronics Pty  
Ltd Australia. This product may be covered by one of more of the following patents  
US 7,181,023, 6,389,139, EP 1004222, AU 739808, NZ 502982, Mexico  
Z41196, Canada CA2301062.  
iPod, Apple and the Mac logo are trademarks of Apple Computer, Inc., registered  
in the U.S. and other countries.  
4
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azur 840E  
Rear panel connections  
Multi-Room  
Keypad 1  
Input 2 Balanced Audio  
Input 1 Balanced Audio  
3
4
IR Emitter  
In  
5
6
7
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
Out/Thru  
Control Bus  
In Out  
8
Designed in London, England  
In  
PSU  
In  
azur 840E Pre-Amplifier  
On  
Off  
1
2
Power Rating: 230V AC ~ 50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad 2  
n I c R e  
Right  
p u I n t 5  
Left  
Right  
Left  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e O R u t 2  
c e O R u t 1  
p u I n t 7  
p u I n t 6  
p u I n t 4  
p u I n t 3  
p u I n t 2  
p u I n t 1  
Balanced Pre Out  
Flat / 200Hz L.P.  
R i g h t  
t
L e f  
15  
L
Unbalanced  
Input 1  
Balanced  
13L  
L
9
12  
11  
10  
R
R
R
R
Power AC  
Unbalanced  
Input 2  
GND  
Sub Out 14  
Pre Out  
Right  
Left  
Rec Out 2  
Rec Out 1  
Rec In  
Input 7  
Input 6  
Input 5  
Input 4  
Input 3  
Input 2  
(Unbalanced)  
Input 1  
(Unbalanced)  
Manufactured  
in an ISO9001  
approved facility  
16  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
1
8
Power On/Off  
Input 1/2 Balanced Audio  
Switches the unit on and off.  
Inputs 1 and 2 feature either unbalanced (phono/RCA) or balanced  
(XLR) connections. Either type may be used but not both at the same  
time. The balanced connection is the higher quality option and can  
reject noise and interference in the cable when used with other  
equipment that supports this function. An XLR connector is wired Pin 1  
- Ground; Pin 2 - Hot (in-phase); Pin 3 - Cold (phase-inverted).  
2
AC power socket  
Once you have completed all connections to the unit, plug the AC power  
cable into an appropriate mains socket then switch on. Your unit is now  
ready for use.  
Use the Balanced/Unbalanced switch (Item 9) to select the connection  
type you wish to use. The unused input does not require to be  
terminated.  
3
Trigger In, Out/Thru  
For Custom Install use, the 840E can be turned on and off (i.e. brought  
in and out of Standby mode) by the presence of 5-12V DC at the Trigger  
input. A trigger input will also produce an internally generated 12V DC  
trigger output at the Output/Thru connection. Turning the 840E on from  
the remote/front panel also produces a 12V DC trigger output at the  
Output/Thru connection. This can be used to turn on/Standby a  
connected 840W power amplifier if desired. Refer to the ‘Power syncing’  
section of this manual for more information.  
9
Input 1/Input 2 Balanced/Unbalanced switch  
Use to select the connection type for Input 1/Input 2.  
10  
Inputs 1-7  
These inputs are suitable for any 'line level' source equipment such as  
CD players, DAB or FM/AM tuners etc.  
4
IR (Infra-Red) Emitter In  
Note: These inputs are for analog audio signals only. They should not be  
connected to the digital output of a CD player or any other digital device.  
Allows modulated IR commands from multi-room systems or IR repeater  
systems to be received by the unit. Commands received here are not  
looped out of the Control Bus. Refer to the ‘Custom installation’ section  
of this manual for more information.  
11  
Rec In (Input 8)  
Connect to the output sockets of a Tape/MD player or other devices that  
support recording.  
5
Control Bus  
12  
Rec Out 1/2  
In - Allows un-modulated commands from multi-room systems or other  
components to be received by the unit.  
Connect to the input sockets of your recording device.  
Out - Loop out for Control Bus commands to another unit.  
13  
Flat/200Hz LP switch  
Also allows the 840E to turn on/off some Cambridge Audio units,  
including the matching 840W power amplifier. Refer to the ‘Power  
syncing’ section of this manual for more information.  
The 840E features a Sub output that is a separate mono mix created  
from the main pre-amp outputs. This output can have either a ‘Flat’ (i.e.  
full range, unfiltered) frequency response or a 200Hz Low Pass filter can  
be applied. Most Subwoofers feature built in Low Pass filtering and ‘Flat’  
is usually the best setting. This setting does not affect the main outputs  
which are always full-range.  
6
RS232C  
The RS232C port allows external serial control of the 840E for custom  
install use. A full command set is available on the Cambridge Audio  
Cambridge Audio service personnel for software updates.  
14  
Sub Out  
Connect to the input on an active subwoofer if required.  
7
A-BUS™ Ready / Incognito Ready™  
multi-room outputs  
15  
Balanced Pre Out  
For connection to the balanced inputs of a power amplifier that support  
this type of connection.  
PSU In - Connect an Incognito PS5 to supply power to the connected  
multi-room keypads/speakers.  
Keypad 1/2 - Connect one or two Incognito A-BUS KP10 keypads (or  
other A-BUS compatible keypads) using CAT5/5e cable. Incognito AS10  
Active Ceiling Speakers can also be connected here.  
16  
Pre Out  
For connection to the unbalanced inputs of a power amplifier.  
IR - Four IR outputs for remote control of source equipment.  
Please refer to the ‘Multi-Room’ section of this manual for more  
information on connections and set-ups.  
5
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Front panel controls  
azur 840E  
Pre-Amplifier  
7
9
Standby / On  
Phones  
Mode  
Direct  
5
6
1
2
3
4
8
Volume  
1 Standby/On  
8 Direct  
Switches the unit between Standby mode (indicated by dim power LED)  
and On (indicated by bright power LED). Standby is a low power mode  
where the power consumption is less than 30 Watts. The unit can be left  
in Standby mode when not in use. If the unit is not going to be used for  
a long period of time it should be switched off via the Power On/Off  
switch on the rear panel.  
This control gives the audio signal a more direct path by bypassing the  
tone control circuits for the purest possible sound quality.  
The Bass/Treble icon (  
treble circuit is active (in circuit) and is not present when they are  
bypassed.  
) appears in the display when the bass and  
Note: Direct can be set on or off individually for each input. This setting  
is recalled each time a source is selected.  
Note: As default the 840E ramps the volume up or down when switched  
on and when going into Standby mode. This feature can be turned off if  
desired; please refer to the ‘Pre-amplifier setup’ section of this manual  
for more information.  
9
Volume  
Use to increase/decrease the level of the sound from the outputs of the  
amplifier. This control affects the level of the loudspeaker output, the  
pre-amp output and the headphone output. It does not affect the Tape  
Out connections.  
2
Phones  
Allows for the connection of stereo headphones with a ¼" Jack plug.  
Headphones with an impedance of between 32 and 600 ohms are  
recommended. When the headphones are connected, the loudspeaker  
relays are released switching off the output to the loudspeakers  
(speakers A and B).  
As the 840E uses a very high quality passive resistor ladder switched  
by relays to achieve volume and balance, audible control clicks can be  
heard from the unit when the volume or balance is adjusted.  
The Volume control is also used in navigating the 840E System  
Configure menus on the front panel display.  
3
Mode  
Press to switch between Volume, Balance, Bass and Treble modes.  
Press and hold to to enter the 840E System Configure menu.  
Please refer to the ‘Operating instructions’ section of this  
manual for more information on some functions of these  
buttons.  
4
Infrared sensor  
Receives IR commands from the supplied Azur remote control. A clear  
unobstructed line of sight between the remote control and the sensor is  
required.  
5
6
&
Input select buttons  
Push the appropriate input selection button to select the source  
component 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 recording.  
7
Display  
LCD used to control the 840E. Please refer to the ‘Operating  
instructions’ and ‘Pre-amplifier setup’ section of this manual for more  
information.  
6
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azur 840E  
TM  
Remote control  
iPod compatibility  
The 840E is supplied with an Azur Navigator remote control that  
operates both this amplifier and Cambridge Audio Azur CD players.  
Insert the supplied AAA batteries to activate.  
The 840E remote can also control the basic functions of Apple iPod’s  
when mounted in Cambridge Audio’s iPod docks, Apple’s Universal Dock  
or other docks compatible with the Apple Remote. Refer to your dock’s  
instruction manual on how to make connections.  
The functions relevant to the amplifier are as follows:  
It is recommended that you connect your dock to Input 7 on the rear  
panel of the 840E.  
Standby/On  
Switches the amplifier between On and Standby mode.  
To use the Azur remote to control the docked iPod, hold down the  
Input 7 button whilst pressing one of the following buttons:  
Numerical buttons 1-8  
Press to change the input source to the amplifier. Button 8 toggles Tape  
Monitor on/off.  
Play/Pause  
Press to play the iPod, press again to pause play.  
Bright  
Skip  
Adjust the backlight of the front panel  
display; bright, dim or off.  
Press once to skip forwards or backwards one track.  
Menu  
Mode  
Mode  
Press to return to the iPod main menu.  
Press to switch between Volume and  
Balance modes.  
Input  
Input  
Input  
Input  
Input  
Input  
Input  
Input  
Mute  
Mutes the audio on the amplifier. The  
mute mode is indicated by MUTE  
appearing and the volume level being  
replaced by two flashing dashes in the  
display. Press again to cancel mute.  
Volume  
Increase or decrease the volume of the  
amplifier output.  
Mode  
Vol  
The following functions can be  
optionally used to control Cambridge  
Azur range CD players:  
Open/Close  
Opens and closes the disc tray.  
Vol  
Play /  
Stop /  
Pause  
Press the relevant button to play, stop or  
pause the CD.  
Skip  
Right Skip - Press once to skip forward  
by one track on the CD. Press and hold  
to skip forwards through tracks.  
Random  
Repeat  
Remain  
Left Skip - Press once to skip backward  
by one track on the CD. Press and hold  
to skip backwards through tracks.  
Search  
Press and hold to search within the  
selected track. Right button to fast  
forward, left button to rewind.  
Repeat, Random, Remain  
Refer to the ‘Operating instructions’  
section of your CD player manual for  
information on the functions of these  
buttons.  
7
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Input (Source) connections  
Inputs 1 and 2 on the 840E feature either unbalanced (phono/RCA) or  
balanced (XLR) connections. The 840E is designed to work at its highest  
performance when a balanced interconnect is used.  
using a three-wire connection. One signal wire (the hot or in-phase)  
carries the normal signal, while other (the cold or phase-inverted)  
carries an inverted version. The balanced input senses the difference  
between the two lines to give the wanted signal. Any noise voltages that  
appear identically on both lines (these are called common-mode  
signals) are cancelled by the subtraction.  
The diagrams below shows the 840E pre-amplifier connected to an Azur  
840C CD player in unbalanced (Figure 1) and balanced (Figure 2)  
configurations. The 840E can also be connected to non Cambridge  
Audio sources with balanced outputs.  
Make sure the Balanced/Unbalanced switch for Inputs 1 and 2 are set  
to the connection type you wish to use.  
Balanced connections in an audio system 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 signal you want by subtraction,  
Figure 1: Unbalanced input  
Figure 2: Balanced input  
840E  
840E  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
Out/Thru  
IR Emitter  
In  
Control Bus  
In Out  
Power  
Trigger  
Out/Thru  
IR Emitter  
In  
Control Bus  
In Out  
Designed in London, England  
Designed in London, England  
In  
In  
PSU  
In  
PSU  
In  
azur 840E Pre-Amplifier  
azur 840E Pre-Amplifier  
On  
Off  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Keypad  
2
Right  
p u I n t  
Left  
Balanced  
lanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e  
O
R
u t  
2
c e  
O
R
u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
P r e O u t  
L
c e  
O
R
u t  
2
c e  
O
R
u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
Balanced Pre Out  
Flat  
/
200Hz L.P.  
Balanced Pre Out  
Flat / 200Hz L.P.  
L
Unbalanced  
Input  
alanced  
put  
L
L
L
L
1
1
Balanced  
Balanced  
R
R
R
R
R
R
R
R
Power AC  
Power AC  
Unbalanced  
Unbalanced  
GND  
GND  
Input  
2
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input 2  
(Unbalanced)  
Input  
1
Manufactured  
in an ISO9001  
approved facility  
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
(Unbalanced)  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
Phono/RCA  
XLR  
3098092  
3098092  
Conforms to ANSI/UL STD 60065  
Conforms to ANSI/UL STD 60065  
7th Edition 2003 Rev 2006/03/20  
7th Edition 2003 Rev 2006/03/20  
Certified to CAN/CSA STD C22.2  
No. 60065-03  
Certified to CAN/CSA STD C22.2  
No. 60065-03  
GND  
840C  
840C  
Power syncing (On/Standby control)  
When going in/out of Standby mode the Azur 840E pre-amplifier can (if  
desired) automatically control the 840W when connected via the Control  
Bus sockets (the Control Bus sockets are colour-coded orange on the  
rear panels of compatible Azur models). For this feature to work the  
units must be connected together by RCA/phono leads. No futher setup  
is necessary.  
Note: The 840E features a Trigger Out which can alternatively be used  
to control the 840W’s Standby/On status if desired. Again, the  
procedure is simply to connect the two units together (using a 3.5mm to  
3.5mm mono mini-jack lead in this case).  
Control Bus is the recommended method when using an 840E and other  
Cambridge Audio equipment with Control Bus In/Out.  
Connect the Control Bus Out from the 840E to the Control Bus In on the  
840W. Continue the chain to other Azur models if it is required to sync  
more units (refer to the 840E’s own manual for more information as this  
requires some setup).  
Trigger In/Out can be useful if the 840W (and indeed 840E) is desired  
to be controlled by other equipment that features trigger outputs  
(Custom install and/or Multi-Room Systems etc).  
840W  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals Left  
-
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Only change modes  
Designed in London, England  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
TM  
Refer to Manual for  
more information.  
azur 840W Class XD Power Amplifier  
In  
Stereo  
Control Bus  
Out  
Bridged  
only!  
Mono  
Bridged  
only!  
On  
Off  
Class  
2
Wiring  
Class  
2
Wiring  
In  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
Power AC  
B
rid
g
e
d
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Bridged Bi-Amp  
/
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Input  
Input  
Right  
Input Type  
Left  
Input Type  
In  
Loop  
In  
Loop  
Balanced  
Balanced  
Power Rating: 230V AC  
~
50Hz  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
Max Power Consumption: 1600W  
N1863  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
Manufactured in an ISO9001 approved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:  
1) This device may not cause harmful interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
46  
2) This device must accept any interference, including interference that may cause undesired operation  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
840E  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
Power  
Trigger  
IR Emitter  
In  
Control Bus  
LeisureTech Electronics Pty Ltd  
Designed in London, England  
In  
Out/Thru  
In  
Out  
PSU  
In  
azur 840E Pre-Amplifier  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e  
O
R u t  
2
c e  
O
R u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat  
/
200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
8
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azur 840E  
Output connections - Unbalanced  
The 840E features both balanced (XLR) and unbalanced (RCA/Phono)  
output connections. For the best quality we recommend you use the  
balanced output with power amplifiers that feature this connection  
(such as our own 840W Class XD power amplifier).  
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 (-) connections are  
matched.  
The diagram below shows the 840E pre-amplifier connected to an Azur  
840W power amplifier and a pair of loudspeakers.  
Your loudspeaker may have more than one pair of connecting terminals;  
LF (Low Frequency) and HF (High Frequency). For single-wiring 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 system).  
When using unbalanced (phono/RCA) connections, the Left and Right  
Input Type switches on the 840W must be in the ‘Unbalanced’ position.  
Note: In this configuration the 840W must be set to Stereo mode.  
840E  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR3  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
Out/Thru  
IR Emitter  
In  
Control Bus  
In Out  
Designed in London, England  
In  
PSU  
In  
azur 840E Pre-Amplifier  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
IR2  
IR4  
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
c e  
O
R u t  
2
c e  
O
R u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat / 200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals  
-
Left  
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance ohms  
4
-
8
Only change modes  
Designed in London, England  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
TM  
Refer to Manual for  
more information.  
azur 840W Class XD Power Amplifier  
In  
Stereo  
Control Bus  
Out  
Bridged  
only!  
Mono  
Bridged  
only!  
Class  
2
Wiring  
Class  
2
Wiring  
In  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
B
Brridid  
g
g
e
e
d
d
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Bridged Bi-Amp  
/
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Input  
Input  
Right  
Input Type  
Left  
Input Type  
In  
Loop  
In  
Loop  
Balanced  
Balanced  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
N1863  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
Manufactured in an ISO9001 approved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:  
1) This device may not cause harmful interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
46  
2) This device must accept any interference, including interference that may cause undesired operation  
840W  
Output connections - Balanced  
The diagram below shows the 840E connected to an 840W using the  
Balanced Audio inputs via three-pin XLR connectors.  
Your loudspeaker may have more than one pair of connecting terminals;  
LF (Low Frequency) and HF (High Frequency). For single-wiring 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 system).  
When using balanced (XLR) connections, the Left and Right Input Type  
switches on the 840W must be in the ‘Balanced’ position.  
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 (-) connections are  
matched.  
Note: In this configuration the 840W must be set to Stereo mode.  
840E  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
Power  
Trigger  
Out/Thru  
IR Emitter  
In  
Control Bus  
LeisureTech Electronics Pty Ltd  
Designed in London, England  
In  
In  
Out  
PSU  
In  
azur 840E Pre-Amplifier  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e  
O
R u t  
2
c e  
O
R u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat  
/
200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
ipart 1ion is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals  
-
Left  
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance ohms  
4
-
8
Only change modes  
Designed in London, England  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
TM  
Refer to Manual for  
more information.  
azur 840W Class XD Power Amplifier  
In  
Stereo  
Control Bus  
Out  
Bridged  
only!  
Mono  
Bridged  
only!  
Class  
2
Wiring  
Class  
2
Wiring  
In  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
B
rid
g
e
d
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Bridged Bi-Amp  
/
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Input  
Input  
Right  
Input Type  
Left  
Input Type  
In  
Loop  
In  
Loop  
Balanced  
Balanced  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
N1863  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
Manufaroved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of is subject to the following two conditions:  
1) This deul interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
46  
2) This device must accept any interience that may cause undesired operation  
840W  
9
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Mono Bridged connections  
The matching Azur 840W power amplifier features Mono and Bridged  
Mono settings that allow two (or more) 840Ws to be used as mono-blocs  
for high end systems. Below is an example using two 840Ws in Bridged  
Mono with an 840E.  
Important! 840W 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 (-) connections are  
wired as shown in the diagram.  
In Bridged Mono mode each 840W drives one speaker across its output  
channels acting as a 500W mono amplifier instead of a 200wpc stereo  
one. One 840W drives the left speaker and the other the right. See the  
840W manual for full details on Bridged Mono and other possible  
combinations.  
When using balanced (XLR) connections, the Left and Right Input Type  
switches on the 840W must be in the ‘Balanced’ position. When using  
unbalanced (phono/RCA) connections, the Left and Right Input Type  
switches on the 840W must be in the ‘Unbalanced’ position.  
The example below uses balanced connections from 840E to each  
840W, unbalanced connections can also be used and the principle is  
the same.  
Only use the Left Inputs on the 840W for Bridged operation.  
In this configuration the Stereo/Mono switch on the 840W must be set  
to ‘Mono’ and the Mono mode switch must be set to ‘Bridged’.  
Stereo  
Mono  
Stereo  
Mono  
Mono Mode  
Bi-Amp  
Mono Mode  
Bi-Amp  
B
Brrididggeedd  
B
Brrididggeedd  
Use Left Input for  
Bi-Amp  
operation.  
Use Left Input for  
Bridged Bi-Amp  
/
Bridged  
/
operation.  
840W  
840W  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals  
-
Left  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals Left  
-
IMPORTANT!  
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Only change modes  
Only change modes  
Designed in London, England  
Designed in London, England  
when unit is off.  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
TM  
TM  
Refer to Manual for  
more information.  
Refer to Manual for  
more information.  
azur 840W Class XD Power Amplifier  
azur 840W Class XD Power Amplifier  
In  
In  
Stereo  
Stereo  
Control Bus  
Out  
Control Bus  
Out  
Bridged  
only!  
Mono  
Bridged  
only!  
Bridged  
only!  
Mono  
Bridged  
only!  
On  
Off  
On  
Off  
Class  
2
Wiring  
Class  
2
Wiring  
Class  
2
Wiring  
Class  
2
Wiring  
In  
In  
Mono Mode  
Bi-Amp  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
Trigger  
Out/Thru  
Power AC  
Power AC  
B
Brridid  
g
g
e
e
d
d
B
Brridid  
g
g
e
e
d
d
Use Left Input for  
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Balanced Audio  
Input  
-
Right  
Unbalanced  
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Bridged Bi-Amp  
/
Bridged Bi-Amp  
/
Audio  
-
Right  
operation.  
Audio  
-
Left  
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Loop Output  
Input  
Input  
Input  
Input  
Right  
Input Type  
Left  
Input Type  
Right  
Input Type  
Left  
Input Type  
In  
Loop  
In  
Loop  
In  
Loop  
In  
Loop  
Balanced  
Balanced  
Balanced  
Balanced  
Power Rating: 230V AC  
~
50Hz  
Power Rating: 230V AC  
~
50Hz  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
Max Power Consumption: 1600W  
Max Power Consumption: 1600W  
N1863  
N1863  
Unbalanced  
Unbalanced  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
CAUTION  
AVIS  
ACHTUNG  
ManufaIoved facility  
Manufaoved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of s subject to the following two conditions:  
1) This del interference  
This device complies with part 15 of . s subject to the following two conditions:  
1) This del interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
46  
46  
2) This device must accept any internce that may cause undesired operation  
2) This device must accept any internce that may cause undesired operation  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
IR Emitter  
In  
Control Bus  
In Out  
Designed in London, England  
In  
Out/Thru  
PSU  
In  
azur 840E Pre-Amplifier  
Power Rating: 230V AC 50Hz  
On  
Off  
~
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
c e  
O
R
u t  
2
c e  
O
R
u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat / 200Hz L.P.  
L
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
art 1on is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
840E  
10  
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azur 840E  
Operating instructions  
Pre-amplifier setup  
The 840E has a custom-made display on the front of the unit that shows  
the current status and allows you to access the 840E System  
Configuration menus. Here you can adjust the listening settings of the  
amplifier to personal preference. The menu system is easy to navigate  
and control, simply by using the input select buttons to turn a feature on  
(solid circle) or off (no circle) and the volume control knob to  
increase/decrease settings.  
The 840E features many advanced settings that allow its use to be  
customised to user preference. The inputs can be named to reflect the  
actual source units you have, each input can be trimmed so that each  
sounds the same in terms of loudness when you switch between them  
and other options.  
Changing input names / source naming  
Volume  
Mode  
Mode  
Volume  
Press and hold the relevant input select button for four seconds to  
change its name. For example, if Input 1 is a CD player, name it “CD” etc.  
Letters are selected by turning the volume control to scroll through the  
available characters. Press LEFT or RIGHT to select which character you  
wish to edit. Press EXT CHAR to access an extended character set. Press  
OK to confirm and exit the input name change menu.  
Volume  
Adjust the volume control knob on the front panel (or using the remote  
control). The display will show the change in volume in decibels (dB).  
‘OdB’ indicates maximum volume while lower volume settings progress  
into the negative range. This can also be changed to arbitrary volume  
units (0-96) in the System Configure menu.  
System Configure menu  
Balance, Bass, Treble  
Mode  
Mode  
Volume  
Volume  
Press and hold the Mode button to access the System Configure menu.  
The menu options are LCD brightness, Front IR, Input gain trim, Volume  
ramp, Volume display, and Fixed input gain.  
Press the Mode button to scroll through the options of Balance, Treble  
or Bass modes. BALANCE, TREBLE or BASS will appear on the display  
depending on which mode you have entered. Adjustments can then be  
made using the volume control. This allows subtle adjustments to the  
tonal balance of the sound. These modify the sound through your  
loudspeakers and the Pre-Out sockets only; they do not affect the  
signals sent through the Tape Out connections.  
To exit the System Configure menu and its sub-menus, press the Mode  
button again.  
LCD brightness  
Press the Mode button again to return to Volume mode or wait 5  
seconds for the 840E to automatically exit and return to Volume mode.  
Mode  
Direct  
Volume  
With a well produced CD and a good system the tone controls are  
unnecessary and can be switched out by pressing the Direct button:  
In the System Configure menu press the LCD input select button to scroll  
through bright/dim/off settings for the front panel display. Press the  
Mode button to exit.  
Direct  
Volume ramp  
Mode  
This completely removes them from the signal path for maximum  
fidelity. If the musical recording is of poor quality or other factors are  
affecting the sound quality, you can adjust the tone controls to  
compensate. To use the tone controls press the Direct button so that the  
Volume  
The 840E automatically ramps the volume down when going into  
Standby mode and up when coming out of Standby mode. To turn this  
feature off, press the VOL RAMP input select button in the System  
Configure menu and set to off. Press the Mode button to exit.  
Bass/Treble icon (  
) lights in the display indicating that they are  
active and direct mode is Off.  
The 840E 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 CD source.  
Volume display  
Mode  
Volume  
To change the volume display from decibels (-95 to 0dB) to arbitrary  
volume units (0 to 96 units) select VOL DB in the System Configure  
menu. Press the input select button to turn off the volume in decibels.  
Press the Mode button to exit.  
11  
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Pre-amplifier setup continued  
Front IR  
Fixed level inputs  
Any input of the 840E is able to be set for fixed gain. Whenever this input  
is selected the gain will automatically go to this value and will not be  
adjustable by the volume control. This can be useful with sources that  
have their own built in volume control (such as some set-top boxes etc.)  
Mode  
Volume  
Also, this feature can be used to integrate an AV Receiver which has pre-  
amp outputs (such as our own 540R or 640R models) with the 840E.  
Used in conjunction with Custom Installation (C.I.) systems or IR  
repeater systems, it may be desirable to disable the front panel IR by  
setting FRONT IR to off (press the input select button to turn off). Press  
the Mode button to exit.  
The front Left and Right pre-amp outputs of the AV Receiver are simply fed  
to any desired input of the 840E and that input set for fixed gain. The AV  
receiver is then wired to the various surround speakers whilst the 840E/W  
drives the Front Left and Right.  
Input gain trim  
The 840E/W can then be used for Stereo sources as normal for best  
sound quality. When it is desired to decode surround sound, select the  
input chosen for fixed gain on the 840E. Now the AV Receiver can be used  
to decode any of it’s surround sound sources. It will have control of the  
volume of all channels and the 840E’s own volume control will be  
disabled.  
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 loudest sounding  
source and trim its level until it matches the average perceived level of  
the others. Repeat this process if other sources also stand out as louder  
than the average.  
You may wish to re-name the fixed level input as “AV mode” or similar on  
the 840E. As the gain can be fixed to any value it is easy to match the  
level of the 840E to that of the other AV channels.  
Mode  
To set a fixed volume for a source, select FIXED INP in the System  
Configure menu:  
Volume  
Mode  
To set the input gain trim for each source, select INP TRIM in the System  
Configure menu. Select the input required and use the volume control to  
set the gain between 0 and -12 dB (the available range is restricted if  
the volume is set very low). Press the Mode button to exit.  
Volume  
Select the input required and set the fixed gain using the volume control  
(the OFF setting does not disable the input but leaves the input gain  
subject to the volume control which is the default setting). When a  
source has a fixed input, the balance is always set to neutral. Press the  
Mode button to exit.  
C
Example  
840E/W used with an AV receiver  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals Left  
-
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Only change modes  
Designed in London, England  
TM  
azur 840W Class XD Power Amplifier  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Refer to Manual for  
more information.  
connected to Input 7 (which is then  
In  
Stereo  
Control Bus  
Out  
R
Bridged  
only!  
Mono  
Bridged  
only!  
L
set to Fixed Gain mode).  
On  
Off  
Class  
2
Wiring  
Class  
2
Wiring  
In  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
Power AC  
B
rid
g
e
d
5.1 speaker connections shown.  
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
Bridged Bi-Amp  
/
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Input  
Input  
Right  
Left  
Input Type  
In  
Loop  
In  
Loop  
Input Type  
Balanced  
Balanced  
Power Rating: 230V AC  
~
50Hz  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
Max Power Consumption: 1600W  
N1863  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
Manufactured in an ISO9001 approved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:  
1) This device may not cause harmful interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
840W  
46  
2) This device must accept any interference, including interference that may cause undesired operation  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
IR Emitter  
In  
Control Bus  
Designed in London, England  
In  
Out/Thru  
In  
Out  
PSU  
In  
azur 840E Pre-Amplifier  
3098092  
Conforms to ANSI/UL STD 60065  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
7th Edition 2003 Rev 2006/03/20  
Certified to CAN/CSA STD C22.2  
No. 60065-03  
Max Power Consumption: 36W  
GND  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e  
O
R
u t  
2
c e  
O
R
u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat  
/
200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
SW  
(Unbalanced)  
(Unbalanced)  
840E  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
Stereo source e.g. 840C CD player  
In  
In  
In  
Out  
In  
Out  
In  
TV/Mon Out  
TV/Mon Out  
Y
DVD  
Y
Video  
Y
1
Recorder  
Y
1
7.1 Direct In  
R
7.1 Preamp Out  
R
Max Power Consumption: 1400W  
Power Rating: 230V AC 50Hz  
azur 640R AV Receiver  
L
C
L
C
Update  
Normal  
L
Manufactured in an  
Designed in London, England  
ISO9002 approved facility  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
Cb/Pb  
Cr/Pr  
SL  
SR  
SW  
SL  
SR  
SW  
This device complies with  
part 15 of FCC rules  
R
On  
SBL/SB  
SBR  
SBL/SB  
SBR  
Control  
Bus  
Power  
Off  
Video  
Keypad  
2
Multi-Room  
PSU 24V DC In  
1
Keypad  
2
Use  
In  
In  
approved  
Power AC  
PSU only  
On Power Off  
This product complies with DHHS rules 21 CFR, Chapter 1,  
Subchapter J, Part 1040 at date of manufacture.  
Video Out  
International Patent Pending LeisureTech Electronics Pty Ltd  
IR1  
IR2  
IR3  
1
Video Out  
2
Out  
Class  
Luokan  
Klass  
1
Laser Product  
Laserplaite  
Laserapparat  
Apparatus claims of US patent nos. 4,631,603; 4,577,216;  
Emitter  
Designed in London, England  
4,819,098 and 4,907,093 licensed for limited viewing only.  
1
5.1 Channel Audio Out  
Stereo  
Out  
Composite  
Speaker Impedance 4-8 Ohms  
AV receiver  
e.g. 640R  
1
“DTS” is  
a
trademark of Digital Theatre Systems Inc.  
Y
azur 540D V2.0 DVD Player  
Power Rating: 100-240V AC 50/60Hz  
Manufactured under license from Dolby Laboratories.  
“Dolby” and the double-D symbol are trademarks of Dolby Laboratories.  
Confidential Unpublished Works  
AM 300  
FM 75Ω  
Control Bus  
In  
IR Emitter  
In  
Digital Outputs  
C
SL  
L
L
~
Rec  
In  
2
CD  
In  
Power AC  
©1992-1997 Dolby Laboratories. All rights reserved.  
Max Power Consumption: 25W  
Toslink  
Optical  
S/P DIF  
Co-axial  
This device complies with part 15 of the FCC Rules. Operation is  
subject to the following two conditions: 1) This device may not cause  
harmful interference; 2) This device must accept any interference,  
including interference that may cause undesired operation.  
Cb/Pb  
Cr/Pr  
Caution  
L
L
Risk of electric shock.  
Do not open.  
Surround  
Back Left/  
Surround  
Surround  
Right  
Surround  
Left  
Front  
Right  
Front  
Left  
Centre  
Back Right  
Avis  
Surround Back  
Risque de choc electrique.  
Ne pas ouvrir.  
Out  
Achtung  
R
R
Vorm öffnen des gerätes.  
Netzstecker ziehen.  
SW  
SR  
R
R
S-Video  
Component  
Caution Risk of electric shock. Do not open. Do not obstruct ventilation.  
Avis Risque de choc electrique. Ne pas ouvrir. Ne pas obstruer la ventilation.  
Achtung Vorm öffnen des gërates. Netzstecker ziehen. Ventilation nicht verschließen.  
SCART (Composite/RGB/Stereo Audio)  
HDMI Out  
Serial No. label fitted on underside  
Tuner  
HDMI  
Video  
1
Video  
2
Recorder  
1
DVD  
Rec  
2
Aux  
7.1  
6.1  
5.1  
Manufactured in an ISO9002 approved facility.  
Surround sound source e.g. 540D V2 DVD player  
SL  
SR  
12  
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azur 840E  
On/Off control menu  
When going in/out of Standby mode the 840E can automatically turn on  
and off other connected Cambridge Audio Azur models that have control  
bus sockets. For this feature to work the units must be connected  
together (see diagram) by RCA/phono leads. The Control Bus sockets  
are colour-coded orange on the rear panels of compatible Azur models.  
Connect the Control Bus Out from the 840E to the Control Bus In on  
another Azur model (e.g. 840W). Continue the chain to other Azur  
models if required.  
On Power Off  
This product complies with DHHS rules 21 CFR, Chapter 1,  
Video Out  
Subchapter J, Part 1040 at date of manufacture.  
Class  
Luokan  
Klass  
1
Laser Product  
Laserplaite  
Laserapparat  
Apparatus claims of US patent nos. 4,631,603; 4,577,216;  
Designed in London, England  
4,819,098 and 4,907,093 licensed for limited viewing only.  
1
5.1 Channel Audio Out  
Stereo  
Out  
Composite  
1
“DTS” is  
a
trademark of Digital Theatre Systems Inc.  
Y
azur 540D V2.0 DVD Player  
Manufactured under license from Dolby Laboratories.  
“Dolby” and the double-D symbol are trademarks of Dolby Laboratories.  
Confidential Unpublished Works  
Control Bus  
In  
IR Emitter  
In  
Digital Outputs  
C
SL  
L
L
Power Rating: 100-240V AC  
~
50/60Hz  
Power AC  
©1992-1997 Dolby Laboratories. All rights reserved.  
Max Power Consumption: 25W  
Toslink  
Optical  
S/P DIF  
Co-axial  
This device complies with part 15 of the FCC Rules. Operation is  
subject to the following two conditions: 1) This device may not cause  
harmful interference; 2) This device must accept any interference,  
including interference that may cause undesired operation.  
Cb/Pb  
Cr/Pr  
Caution  
Risk of electric shock.  
Do not open.  
Avis  
Risque de choc electrique.  
Ne pas ouvrir.  
Out  
Achtung  
Vorm öffnen des gerätes.  
Netzstecker ziehen.  
SW  
SR  
R
R
S-Video  
Component  
SCART (Composite/RGB/Stereo Audio)  
540D V2  
Maniii
3098092  
Conforms to ANSI/UL STD 60065  
7th Edition 2003 Rev 2006/03/20  
Certified to CAN/CSA STD C22.2  
No. 60065-03  
GND  
840C  
Loudspeaker Terminals  
-
Right  
Loudspeaker Terminals Left  
-
IMPORTANT!  
Impedance  
4
-
8
ohms  
Impedance  
4
-
8
ohms  
Only change modes  
Designed in London, England  
TM  
azur 840W Class XD Power Amplifier  
when unit is off.  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Please ensure that loudspeaker terminals are fully tightened  
Veuillez s'assurer que les bornes de l'enceinte sont entièrement serrées  
Refer to Manual for  
more information.  
In  
Stereo  
Control Bus  
Out  
Bridged  
only!  
Mono  
Bridged  
only!  
On  
Class  
2
Wiring  
Class  
2
Wiring  
In  
Mono Mode  
Bi-Amp  
Trigger  
Out/Thru  
Power AC  
B
ridd  
g
e
d
Use Left Input for  
Balanced Audio  
Input  
-
Right  
Unbalanced  
Bridged Bi-Amp  
/
IR Emitter  
In  
Unbalanced  
Balanced Audio  
Input Loop Output  
-
Left  
Audio  
-
Right  
operation.  
Audio Left  
-
Loop Output  
Input  
Input  
Right  
Input Type  
Left  
Input Type  
In  
Loop  
In  
Loop  
Balanced  
Balanced  
Power Rating: 230V AC  
~
50Hz  
1
2
3
=
=
=
Ground  
1
2
3
=
=
=
Ground  
Max Power Consumption: 1600W  
N1863  
Unbalanced  
Unbalanced  
Loop Output  
Loop Output  
CAUTION  
AVIS  
ACHTUNG  
Manufactured in an ISO9001 approved facility  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:  
1) This device may not cause harmful interference  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
46  
2) This device must accept any interference, including interference that may cause undesired operation  
840W  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Balanced Audio  
Keypad  
1
IR1  
IR2  
IR3  
IR4  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
IR Emitter  
In  
Control Bus  
Designed in London, England  
In  
Out/Thru  
In  
Out  
PSU  
In  
azur 840E Pre-Amplifier  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
c e  
O
R
u t  
2
c e  
O
R
u t  
1
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat  
/
200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
840E  
Now while the 840E is on press and hold the Standby/On button until  
ON/OFF CTR appears on the display:  
Standby/On  
Volume  
Select the connected Azur models by pressing the appropriate input  
select button. For example, CA XXXC for an Azur CD player (740C, 840C),  
CA XXXD for an Azur DVD player, CA DAB T for an Azur DAB tuner etc.  
Press ON & OFF to scroll through the options of ON (turns all Azur units  
on only), OFF (turns all Azur units into Standby only) or ON & OFF (turns  
all Azur units on and into Standby mode).  
Press OK to confirm and exit.  
13  
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Multi-room connections  
Multi-Room  
Keypad 1  
The 840E features Incognito Ready/A-  
BUS Ready outputs, allowing multi-room  
capability. One or two amplified keypads  
can be plugged into the 840E (using  
Cat5/5e cable and RJ45 plugs) to provide  
multi-room audio in one or two secondary  
Connections to the 840E Incognito Ready / A-BUS Ready outputs are  
made by Cat-5 cable (terminated with an RJ45 jack plug). The RJ45 plug  
must be wired to the EIA/TIA 568A wiring standard:  
IR1  
IR2  
IR3  
IR4  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
PSU  
In  
Wire colours:  
1. Green/White  
2. Green  
3. Orange/White  
4. Blue  
5. Blue/White  
6. Orange  
7. Brown/White  
8. Brown  
Keypad 2  
rooms or zones. The keypads are powered by an external PSU (also  
required) through the Cat5/5e cables and no mains connection is  
required in the secondary rooms.  
Speakers (e.g. SS10)  
connected via  
AS10  
1
2
3
4
5
6
7
8
8
7
6
5
4
3
2
1
Passive  
Speaker  
speaker cable  
KP10-EU keypad  
Plug view from  
contact end  
View into  
socket  
Gather pairs, trim  
and insert into  
RJ45 plug  
Crimp wires  
securely in place  
AS10  
Active  
Speaker  
To allow control of your source equipment from the remote rooms an IR  
emitter (IR10) is plugged into one of the IR outputs on the rear of the  
unit and then attached over the IR window of the source unit.  
Alternatively, on our own products that feature IR emitter Inputs, a mini-  
jack to mini-jack lead can be used. Commands received by the keypads  
can now be sent back to the source equipment via the 840E.  
LR10  
PS5  
Cat5/5e (up to 30m / 100ft)  
840E  
Balanced Audio  
Multi-Room  
Input  
2
Balanced Audio  
Input  
1
Keypad  
1
IR1  
IR3  
GND  
International Patent Pending  
LeisureTech Electronics Pty Ltd  
Power  
Trigger  
Out/Thru  
IR Emitter  
In  
Control Bus  
In Out  
Designed in London, England  
In  
PSU  
In  
azur 840E Pre-Amplifier  
It is then possible to control the source equipment from the remote  
rooms by using the source equipment's own remote controls or through  
a learning remote. The Incognito LR10 Learning Remote can fully control  
the keypads, “learn” the source's remote control codes (including those  
from other manufacturers) and change source input on the 840E etc.  
On  
Off  
Power Rating: 230V AC  
~
50Hz  
Max Power Consumption: 36W  
CAUTION  
AVIS  
ACHTUNG  
Keypad  
2
IR2  
IR4  
Right  
p u I n t  
Left  
Right  
Left  
p u I n t  
Balanced  
Risk of electric  
shock.  
Risque de choc  
electrique.  
Vorm öffnen  
des gerätes.  
Do not open.  
Ne pas ouvrir.  
Netzstecker ziehen.  
P r e O u t  
L
2 t  
u
O c R e  
1 t  
u
O c R e  
n
I c R e  
p u I n t  
7
p u I n t  
6
5
p u I n t  
4
p u I n t  
3
p u I n t  
2
1
Balanced Pre Out  
Flat / 200Hz L.P.  
L
Unbalanced  
Input  
L
L
1
Balanced  
R
R
R
R
Power AC  
Unbalanced  
GND  
Input  
2
Pre Out  
Right  
Left  
Sub Out  
Rec Out  
2
Rec Out  
1
Rec In  
Input  
7
Input  
6
Input  
5
Input  
4
Input  
3
Input  
2
Input  
1
Manufactured  
in an ISO9001  
approved facility  
(Unbalanced)  
(Unbalanced)  
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference; 2) This device must accept any interference, including interference that may cause undesired operation.  
On the front panel display of the 840E the extra multi-room zones are  
indicated by a circle outline next to the input source (see Fig. 1). When  
listening to the same source, the circle outline and solid circle overlap  
(see Fig. 2).  
IR10  
azur 840C  
Upsampling Compact Disc Player  
Fig. 1 - One or both keypads are listening to a different source (Input 2)  
to the amplifier (Input 1).  
Open  
Close  
Play  
Pause  
Skip  
Scan  
Standby  
/
On  
Menu  
Select  
Stop  
PROGRAM  
840C  
Mode  
Mini-jack lead  
3098092  
Conforms to ANSI/UL STD 60065  
7th Edition 2003 Rev 2006/03/20  
Certified to CAN/CSA STD C22.2  
No. 60065-03  
GND  
Volume  
Fig. 2 - One or both keypads are listening to the same source (Input 2)  
as the amplifier (Input 2).  
The 840E is Incognito Ready Type II, which means the keypads can  
operate independently of the amplifier in terms of volume/bass/treble  
etc, be independently turned on and off, and can also listen to a  
different source from that which is currently selected on the amplifier.  
However, both keypads can only listen to the same source.  
Mode  
Volume  
A-BUS is a standard that allows compatibility between different  
manufacturers equipment, so A-BUS compatible keypads from other  
manufacturers can also be used. If used with our own Incognito KP10  
keypads, there are some extra features such as the ability to change  
source on the 840E from the keypad (EU model shown here):  
For further details on the Incognito multi-room system please contact  
your local Cambridge Audio dealer or visit: www.cambridge-audio.com  
Order of selection:  
1. Input 1  
2. Input 2  
3. Input 3  
4. Input 4  
5. Input 5  
6. Input 6 (Tape)  
14  
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azur 840E  
Custom installation (C.I.) use  
Troubleshooting  
IR Emitter  
In  
Control Bus  
In Out  
The 840E features a Control Bus input/output that  
allow un-modulated remote control commands  
(positive logic, TTL level) to be received electrically  
by the unit and looped to another unit if desired.  
These control commands are typically generated  
There is no power  
Ensure the AC power cord is connected securely.  
Ensure the plug is fully inserted into the wall socket and is switched on.  
Check fuse in the mains plug or adaptor.  
by custom installation (multi-room) systems or remote IR receiver  
systems. The Control Bus sockets are colour-coded orange.  
There is no sound  
Make sure the unit is not in Standby mode.  
An IR Emitter Input is also provided that allows modulated IR remote  
control commands to be received electrically by the unit. Commands on  
this input operate the unit only and are not looped out demodulated on  
the Control Bus Output.  
Check that source component is properly connected.  
Check that Input 8 (Rec In) is not switched on (unless a tape input is  
required).  
An RS232C port is also featured which allows the 840E to be  
controlled by C.I. systems.  
Check that your speakers are properly connected.  
Make sure unit is not in mute mode.  
In addition the unit features ‘direct’ IR/Control codes as well as toggle  
codes for some of their features to simplify programming custom  
installation systems. Special direct On/Off and Mute commands can be  
accessed on the supplied remote control for teaching into C.I. systems  
as follows:  
There is no sound on one channel  
Ensure that balance control is in the correct position.  
1. Press and hold the Standby/On button. The remote first generates it's  
standby (toggle) command. Keep the button held down, after 12  
seconds an amplifier “On” command will be generated. If the button  
is kept held down for a further 12 seconds, an amplifier player “Off”  
command is generated.  
Check speaker connections.  
Check interconnects.  
There is a loud buzz or hum  
Check turntable or tone arm for ground and connection lead fault.  
2. Press and hold the Mute button. The remote first generates it's mute  
(toggle) command. Keep the button held down, after 12 seconds a  
“Mute on” command will be generated. If the button is kept held  
down for a further 12 seconds, a “Mute off” command is generated.  
Ensure no interconnects are loose or defective.  
Ensure that your tape deck/turntable is not too close to the unit.  
A full code table and RS232 protocol for this product is available on the  
Cambridge Audio website:  
Unable to make or play tape recordings  
Check that Input 8 (Rec In) and Rec Out have been connected correctly.  
There is weak bass or diffused stereo imaging  
Ensure that speakers are not wired out of phase.  
The remote handset will not function  
Check that the batteries have not expired.  
Ensure that nothing is blocking the remote sensor.  
Technical specifications  
For more frequently asked questions (FAQs), technical advice and  
information on getting the most out of your 840E, please visit the  
Support section on Cambridge Audio’s website:  
THD (+ noise)  
< 0.0006% @1kHz  
< 0.003% @20kHz  
S/N (unweighted)  
< 121dBr  
< 100dBu  
Frequency response  
Crosstalk @1kHz  
Input isolation  
10Hz - 100kHz 0.1dB  
> 100dB  
> 115dB  
Maximum output  
8V rms unbalanced  
8V + 8V rms balanced  
Output impedence  
Subwoofer out  
100 Ohms (Unbalanced or Balanced)  
Flat or 200Hz 2nd Order Butterworth LPF  
36W  
Max power consumption  
Bass & Treble controls  
Shelving type  
Max bass boost/cut 10 dB at 10 Hz  
Max treble boost/cut 7.5 dB at 20 kHz  
Dimensions (H x W x D)  
Weight  
115 x 430 x 385mm  
(4.5 x 16.9 x 15.2”)  
8.7kg (19.1Lbs)  
15  
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Cambridge Audio is a brand of Audio Partnership Plc  
Registered Office: Gallery Court, Hankey Place,  
London, SE1 4BB, United Kingdom  
Registered in England No. 2953313  
© 2007 Cambridge Audio Ltd  
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