Cambridge Azur 851С Handleiding

Cambridge CD-spelers/recorder Azur 851С

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Your music our passion+

851C

azur

CD/DAC/Pre

User’s manual

ENGLISH

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

For your own safety please read the following important safety

instructions carefully before attempting to connect this unit to the mains

power supply. They will also enable you to get the best performance from

and prolong the life of the unit:

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in accordance with the

manufacturer’s instructions.

8. Do not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including ampliers) that produce heat.

9. Do not defeat the safety purpose of the polarized or grounding-type

plug. A polarized plug has two blades with one wider than the other.

A grounding-type plug has two blades and a third grounding prong.

The wide blade or the third prong are provided for your safety. If the

provided plug does not t into your outlet, consult an electrician for

replacement of the obsolete outlet.

10. Protect the power cord from being walked on or pinched, particularly

at plugs, convenience receptacles and the point where they exit from

the apparatus.

11. Only use attachments/accessories specied by the manufacturer.

12. Use with only the cart, stand, tripod, bracket, or

table specied by the manufacturer, or sold with the

apparatus. When a cart is used, use caution when

moving the cart/ apparatus combination to avoid injury

from tip-over.

13. Unplug this apparatus during lightning storms or when unused for

long periods of time.

14. Refer all servicing to qualied service personnel. Servicing is

required when the apparatus has been damaged in any way, such

as the power-supply cord or plug having been damaged, liquid has

been spilled or objects have fallen into the apparatus, the apparatus

has been exposed to rain or moisture, does not operate normally, or

has been dropped.

WARNING

– To reduce the risk of re or electric shock, do not expose this unit to

rain or moisture.

– Batteries (battery pack or batteries installed) shall not be exposed to

excessive heat such as sunshine, re or the like.

The unit is of Class 1 construction and must be connected to a mains

socket outlet with a protective earthing connection.

The unit must be installed in a manner that makes disconnection of

the mains plug from the mains socket outlet (or appliance connector

from the rear of the unit) possible. Where the mains plug is used as the

disconnect device, the disconnect device shall remain readily operable.

Only use the mains cord supplied with this unit.

Please ensure there is ample ventilation (at least 10cm clearance all

round). Do not put any objects on top of this unit. Do not situate it on

a rug or other soft surface and do not obstruct 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 splashing

water or other liquids. No objects lled with liquid, such as vases, shall

be placed on the unit.

Important safety instructions

The lightning ash with the arrowhead symbol within an equilateral

triangle is intended to alert the user to the presence of un-insulated

‘dangerous voltage’ within the product’s enclosure that may be of

sufcient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert

the user to the presence of important operating and maintenance

instructions in the service literature relevant to this appliance.

WEEE symbol

The crossed-out wheeled bin is the European Union symbol

for indicating separate collection for electrical and electronic

equipment. This product contains electrical and electronic

equipment which should be reused, recycled or recovered

and should not be disposed of with unsorted regular waste.

Please return the unit or contact the authorised dealer from whom you

purchased this product for more information.

CE mark

This product complies with European Low Voltage (2006/95/

EC), Electromagnetic Compatibility (2004/108/EC) and

Environmentally-friendly design of Energy-related Products (2009/125/

EC) Directives when used and installed according to this instruction

manual. For continued compliance only Cambridge Audio accessories

should be used with this product and servicing must be referred to

qualied service personnel.

C-Tick mark

This product meets the Australian Communications

Authority’s Radio communications and EMC requirements.

Gost-R Mark

This product meets Russian electronic safety approvals.

FCC regulations

NOTE: THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO

OR TV INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS

TO THIS EQUIPMENT. SUCH MODIFICATIONS COULD VOID THE USER

AUTHORITY TO OPERATE THE EQUIPMENT.

This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a residential

installation. This equipment generates, uses and can radiate radio

frequency energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a

particular installation.

If this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more of the following measures:

- Re-orient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

851Cazur

ENGLISH

Product specificaties

Merk:	Cambridge
Categorie:	CD-spelers/recorder
Model:	Azur 851С
Kleur van het product:	Zwart
Gewicht:	10000 g
Breedte:	430 mm
Diepte:	360 mm
Hoogte:	115 mm
Gebruikershandleiding:	Ja
Vermogen:	40 W
Ondersteund audioformaat:	MP3
Aantal USB 2.0-poorten:	1
Stroomverbruik (in standby):	0.5 W
Soort apparaat:	Draagbare cd-speler
Frequentiebereik:	32 - 192000 Hz
Signaal/ruis-verhouding:	113 dB
D/A-converter:	24-bit/192kHz
Totale harmonische vervorming (THD):	0.0004 procent
CD-R afspelen:	Ja
Display met achtergrondverlichting:	Ja