Bedienungsanleitung Cambridge Audio Azur 851C (Seite 2 von 16) (Englisch)

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Contents

Thank you for purchasing the Azur 851C Upsampling Compact Disc

Player / DAC / Digital Preamp. The 8 series range is fundamental to our

commitment to the continual development of the Azur range. We hope

that you will appreciate the results and enjoy many years of listening

pleasure from it. Like all Cambridge Audio products, the 851C adheres

to our three core principles – stunning performance, ease of use and

incredible value.

The 851C incorporates numerous advanced technologies and

features. Key to its abilities is ATF2™ (Adaptive Time Filtering) our

second generation up-sampling process - developed in conjunction

with Anagram Technologies of Switzerland. This process intelligently

interpolates all incoming audio data (such as 16-bit/44.1kHz from CD)

to 24bit/384kHz through the use of a 32-bit Analog Devices Black Fin

DSP (Digital Signal Processor). The ATF2 system applies polynomial

curve tting interpolation, and incorporates a time domain model that

allows data buffering and re-clocking to almost completely eradicate

digital jitter, helping to ensure the best possible sound quality. Our new

ATF2 noise shaping algorithm now also provides enhanced linearity with

24-bit sources.

Two very high quality Analog Devices AD1955 24-bit DACs (Digital to

Analog Converters) are used in dual differential mode. Each channel

has its own DAC to process information and completely separate and

symmetrical analog lter circuitry is implemented. These allow both

left and right channel circuitry to operate identically, ensuring the

851C delivers fantastic sound-staging and stereo imaging properties.

All ltering from DACs to output is also fully differential in nature. This

fully balanced conguration largely rejects the already very low noise

and distortion products present in the DACs and lters and provides

an unprecedented level of performance. Balanced (XLR) outputs are

tted as well as summed conventional unbalanced phono/RCA outputs.

Automatic DC servo circuits null all DC offsets allowing no capacitors in

the signal path.

For this new model two 24-bit capable digital inputs are tted allowing

other digital sources to be brought into the 851C.

Also a 24-bit isochronous USB audio interface is provided that enables

the 851C to play audio from a personal computer / laptop. This can

handle up to 24-bit/96kHz content from most Windows, Mac and Linux

builds. In certain circumstances up to 24-bit/192kHz material can

also be supported. See later section on Mac/PC/Linux setups and in

particular our own free Windows driver.

Digital volume and output mute functions are incorporated that enable

the 851C to operate as a combined CD player, DAC and digital pre-

amplier that can be connected directly to a separate power amplier

if desired.

In addition to these audiophile features Control Bus Input/Output, IR

Emitter Input and RS232 control are provided to make it easy to integrate

this unit into Custom Installation systems if desired.

A new 8-series casework combines massive structural rigidity with

careful damping and control of acoustic resonance. An Azur Navigator

remote handset is also provided, giving full control of your CD player,

Azur ampliers and our iD100 digital iPod/iPad/iPhone dock in an

attractive and easy to use handset.

Your 851C can only be as good as the system it is connected to. Please

do not compromise on your amplier, speakers or cabling. Naturally we

particularly recommend amplication from the Cambridge Audio Azur

range, and in particular the 851A Integrated Amplier which has been

designed to the same exacting standards as the 851C. Your dealer can

also supply excellent quality Cambridge Audio interconnects to ensure

your system realises its full potential.

Thanks 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 851C design team

Introduction

Make sure you register your purchase.

Visit: www.cambridge-audio.com/sts

By registering, you’ll be the rst to

know about:

 Future product releases

 Software upgrades

 News, events and exclusive offers

plus competitions!

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 specications are

subject to change without prior notice.

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.

Cambridge Audio and the Cambridge Audio logo are

trademarks of Cambridge Audio.

Other brands mentioned are trademarks of their respective

owners and are used for reference purposes only.

Introduction .................................................................................................2

Important safety instructions .....................................................................3

Limited warranty ..........................................................................................4

Front panel controls ....................................................................................6

Remote control ............................................................................................7

Apple device compatibility ..........................................................................7

Operating instructions ................................................................................8

Filters ........................................................................................................ 12

Custom installation (C.I.) use .................................................................. 14

Troubleshooting ........................................................................................ 14

Technical specications ........................................................................... 15

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