Cambridge Audio 851W Скачать руководство пользователя страница 3

851W

azur

ENGLISH

3

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.

Important safety instructions

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. 

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.

Содержание 851W

Страница 1: ...Your music our passion 851W azur Power Amplifier User s manual 2 ENGLISH ...

Страница 2: ...ies for left and right channels twin rectifiers and separate PSUs for dual mono operation of the left and right power amplifiers Your power amplifier can only be as good as the system it is connected to Please do not compromise on your pre amplifier source equipment speakers or cabling Naturally we recommend models from the Cambridge Audio Azur range particularly the matching 851E pre amplifier Th...

Страница 3: ...uct 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 Important safety instructions The lightning flash with the arrowhead symbol within an equilateral tria...

Страница 4: ...e 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 Cambridge Audio warrants this product to be free from defects in materials and workmanship subject to the terms set forth below Cambr...

Страница 5: ...y all modern pre amplifiers fulfil this requirement 4 Input Type switch Use to select a balanced or unbalanced connection type for the input 5 Stereo Mono mode switch Switches the 851W between normal Stereo operation where one 851W is used for a pair of speakers and Mono operation where two 851W s are used one for each speaker Refer to later sections of this manual for more information 6 Mono mode...

Страница 6: ...ive The LED light emitting diode is on for an active output off for inactive i e muted 3 Protection If this LED is constantly on the 851W has detected a fault on either the Left or Right channel and is protecting itself 4 Clipping This LED indicates that the 851W has detected that either the Left or Right channel is being overdriven or clipped Clipping distortion is caused at high volume levels wh...

Страница 7: ...ency terminals to the high frequency terminals must not be removed only to be removed for a bi wiring system Unbalanced stereo connections The diagram below shows the 851W connected to an 851E using the Unbalanced Audio inputs via phono RCA connectors single wired to a pair of loudspeakers Balanced stereo connections The diagram below shows the 851W connected to an 851E using the Balanced Audio in...

Страница 8: ...e recommended method when using an 851E and other Cambridge Audio equipment with Control Bus In Out Trigger In Out can be useful if the 851W and indeed 851E is desired to be controlled by other equipment that features trigger outputs Custom install and or Multi Room Systems etc Advanced connections As well as normal single wired stereo operation whether balanced or unbalanced several other modes o...

Страница 9: ...Mono settings that allow two or more 851Ws to be used as mono blocs for high end systems Below is an example using two 851Ws in Bi Amped Mono with an 851E In Bi Amped Mono mode each 851W drives one speaker Note Unbalanced connections can also be used Important 851W settings Only use the Left Inputs on the 851W for Bi Amped operation In this configuration the Stereo Mono switch on the 851W must be ...

Страница 10: ...ut demodulated on the Control Bus Output The unit responds to direct IR Control codes as well as toggle codes for some features to simplify programming custom installation systems Special direct On Off and Mute commands can be accessed from the 851E pre amplifier remote control for teaching into C I systems as follows 1 Press and hold the Standby On button The remote first generates a standby togg...

Страница 11: ...ring the output transistors to keep them working inside their Safe Operating Area SOA The SOA is a set of limits given by the output transistor manufacturer to ensure reliability V I also protects the amplifier against short circuits on the speaker terminals during use Remedy The amplifier is being used outside its performance envelope Reduce the volume Also check to see if there is a short or par...

Страница 12: ...Bi Amp or Bridged There is a loud buzz or hum Ensure that no interconnects are loose or defective Ensure that your tape deck turntable is not too close to the unit There is weak bass or diffused stereo imaging Ensure that the loudspeakers are not wired out of phase For more frequently asked questions FAQs technical advice and information on getting the most out of your 851W please visit the Suppor...

Страница 13: ...e Audio is a brand of Audio Partnership Plc Registered Office Gallery Court Hankey Place London SE1 4BB United Kingdom Registered in England No 2953313 www cambridge audio com 2013 Cambridge Audio Ltd AP32386 2 ...

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