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Contents
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
Visit www.cambridge-audio.com and register to receive notification of future
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:
support@cambridgeaudio.com
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
Introduction
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
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