Cambridge Azur 550A Bedienungsanleitung

Cambridge Empfänger Azur 550A

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Your music our passion+

550A/650A

azur

ENGLISH

Integrated amplifier

User’s manual

Contents Introduction

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

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

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

Rear panel connections........................................................................... 5

Connections ............................................................................................. 6

Front panel controls................................................................................. 8

Remote control......................................................................................... 9

Custom installation use........................................................................... 9

CAP5 protection system .......................................................................... 10

Technical speciﬁcations........................................................................... 11

Troubleshooting........................................................................................ 11

Thank you for purchasing this Cambridge Audio Azur 550A or 650A

ampliﬁer. We are conﬁdent that you will enjoy many years of listening

pleasure from it.

Developed as part of our on-going research and development regime,

including extensive listening tests, we have incorporated many subtle

tweaks and improvements to our circuits, components and layouts in the

pursuit of our passion for sound quality. Speciﬁcally, these models use

new output transistors, a new high-quality Alps volume pot, new

polypropylene signal capacitors, gold-plated speaker outputs, custom-

made electrolytic capacitors in critical positions and several new circuit

tweaks.

These models are amongst the ﬁrst to feature a new casework design

with a thicker braced front panel, more rigid wrap-over lid assembly and

dual-layer damped feet, all of which contribute to better resonance

control.

A new version of our proprietary CAP5 system has been developed to

allow a greater dynamic envelope to the protection scheme, offering a

more dynamic real-life performance. Also featured is an environmentally

friendly low power (<1W) standby circuit. This circuit completely powers

down the ampliﬁer circuits in Standby mode yet is itself totally isolated

when the ampliﬁer is on, thus having no effect on sound quality.

Both the 550A and 650A have fully buffered input circuits for low

crosstalk and improved stereo imaging, driving a completely discrete

bipolar transistor-based ampliﬁer and all powered from a custom

audiophile-grade toroidal transformer. A new MP3/Portable Media Player

input has been ﬁtted to the front panel for convenience, and the supplied

remote can control the ampliﬁer, any of our matching CD players and

basic iPod functionality.

The 650A differs from the 550A by having separate transformer

secondaries for left and right channels, twin rectiﬁers and separate PSUs

for dual-mono operation of the left and right power ampliﬁers. An even

larger heatsink and transformer are also employed which allows for a

greater power output of 75wpc (compared to 60wpc for the 550A).

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

do not compromise on your source equipment, speakers or cabling.

Naturally, we particularly recommend models from the Cambridge Audio

Azur range, which have been designed to the same exacting standards as

our ampliﬁers. 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 recommend you

keep it for future reference.

Matthew Bramble

Cambridge Audio Technical Director

and the 550A/650A design team

Make sure you register your purchase.

Visit: www.cambridgeaudio.com/sts

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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.

This document contains proprietary information protected by

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.

550A/650Aazur

Important safety instructions

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 other ampliﬁers) 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 ﬁt 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 speciﬁed by the manufacturer.

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

speciﬁed 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 qualiﬁed 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 ﬁre 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, ﬁre 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. We recommend that you do not

place the unit in an enclosed space; if you wish to place the unit on a

shelf, use the top shelf to allow maximum ventilation. 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 ﬁlled with liquid, such as vases, shall be

placed on the unit.

The lightning ﬂash 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

sufﬁcient 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 qualiﬁed service personnel.

C-Tick mark

This product meets the Australian Communications Authority’s

Radio communications and EMC requirements.

Ross Test Stamp

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.

ENGLISH

Produktspezifikationen

Marke:	Cambridge
Kategorie:	Empfänger
Modell:	Azur 550A
Breite:	430 mm
Tiefe:	350 mm
Gewicht:	8000 g
Produktfarbe:	Schwarz
Übertragungstechnik:	Kabelgebunden
Höhe:	120 mm
Energieschutzeigenschaften:	Over current, Over voltage, Short circuit
Zweck:	Haus
AC Eingangsspannung:	220-230 V
AC Eingangsfrequenz:	50 - 60 Hz
Lautstärkeregler:	Drehregler
Fernbedienung enthalten:	Ja
Stromverbrauch (Standardbetrieb):	500 W
Stromverbrauch (Standby):	1 W
LED-Anzeigen:	Ja
Audio Kanäle:	- Kanäle
THD, totalklirren:	0.002 %
Rauschverhältnis (SNR):	92 dB
Frequenzbereich:	5 - 50000 Hz
Nachhaltigkeitszertifikate:	ENERGY STAR
Verstärkerklasse:	A/B
Stromeingang:	Ja
Synchronisations-Eingangsimpedanz:	47 Ohm
Lautsprecher-Konnektivitätstyp:	RCA
Multikanall pre out Konnektivität:	RCA
Leistungshöhepunkt pro Kanal:	60 W