Bowers & Wilkins CM Center: инструкция

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CM Centre

Owner’s Manual

and Warranty

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Contents

English

Русский

Limited Warranty...........2

Ограниченная

Owner’s Manual............2

гарантия....................24

Руководство по

Français

эксплуатации ............24

Garantie limitée.............4

Manuel d’utilisation.......5

"esky

Záruka .......................27

Deutsch

Návod k pouãití..........27

Garantie .......................7

Bedienungsanleitung.....8

Magyar

Korlátozott garancia ..29

Español

Használati útmutató ...30

Garantía limitada.........10

Manual de

Polski

instrucciones ..............11

Gwarancja .................32

Instrukcja

Português

uÃytkownika ...............32

Garantia limitada.........13

Manual do utilizador....14

.......................34

Italiano

.....................34

Garanzia limitata .........16

Manuale di istruzioni ...16

.......................36

Nederlands

....................37

Garantie .....................18

Handleiding ................19

Ελληνικά

EU Declaration

Περιορισµένη

of conformity ..............39

εγγύηση....................21

Οδηγίεσ Χρήσεωσ ....21

Technical

Specifications .............40

advise where the equipment can be serviced. You

English

can call B&W in the UK or visit our web site to get

the contact details of your local distributor

.

Limited Warranty

To validate your warranty, you will need to produce

this warranty booklet completed and stamped by your

Dear customer

,

dealer on the date of pur

chase. Alternatively, you will

Welcome to B&W.

need the original sales invoice or other proof of

ownership and date of pur

chase.

This pr

oduct has been designed and manufactured to

the highest quality standar

ds. However, if something

does go wrong with this product, B&W Loudspeakers

and its national distributors warrant fr

ee of charge

Owner’s manual

labour (exclusion may apply) and replacement parts in

any country served by an official B&W distributor.

Introduction

This limited warranty is valid for a period of five years

Thank you for choosing B&W. Please read this manual

from the date of purchase or two years for electronics

fully before unpacking and installing the product. It will

including amplified loudspeakers.

help you to optimise its performance. B&W maintains

a network of dedicated distributors in over 60 countries

Terms and Conditions

who will be able to help you should you have any

1 The warranty is limited to the repair of the

problems your dealer cannot resolve.

equipment. Neither transportation, nor any other

costs, nor any risk for removal, transportation and

Environmental Information

installation of products is covered by this warranty.

B&W products are designed to comply with

2 This warranty is only valid for the original owner. It

international directives on the Restriction of

is not transferable.

Hazardous Substances (RoHS) in electrical and

electronic equipment and the disposal of Waste

3 This warranty will not be applicable in cases other

Electrical and Electronic Equipment (WEEE). The

than defects in materials and/or workmanship at

crossed wheelie bin symbol indicates compliance and

the time of purchase and will not be applicable:

that the products must be appropriately recycled or

a. for damages caused by incorrect installation,

processed in accordance with these directives.

connection or packing,

Carton Contents

b. for damages caused by any use other than correct

Check in the carton for:

use described in the user manual, negligence,

modifications, or use of parts that are not made or

1 Foam plug.

authorised by B&W,

4 Self-adhesive rubber pads.

c. for damages caused by faulty or unsuitable

Positioning

ancillary equipment,

If using a projection television with an acoustically

d. for damages caused by accidents, lightning, water,

transparent screen, place the speaker behind the

fire heat, war, public disturbances or any other

centre of the screen. Otherwise position it directly

cause beyond the reasonable control of B&W and

above or below the screen, whichever is closest to ear

its appointed distributors,

level. Align the front of the speaker approximately level

with the screen. The speaker is best used mounted on

e. for products whose serial number has been

a rigid shelf or wall bracket or on a rigid floor stand.

altered, deleted, removed or made illegible,

The B&W FS-700/CM stand is recommended.

f. if repairs or modifications have been executed by

If the speaker is to be placed either directly on top of

an unauthorised person.

a television or in a rack shared with other AV

4 This guarantee complements any national/regional

equipment, fix the 4 self-adhesive pads to the base of

law obligations of dealers or national distributors

the speaker. They provide a degree of vibration

and does not affect your statutory rights as a

isolation. The flat area on top of the television may be

customer.

smaller than the base of the speaker, so position the

feet accordingly.

How to claim repairs under

warranty

Stray Magnetic Fields

Should service be required, please follow the following

The speaker drive units are magnetically shielded such

pr

ocedur

e:

that the stray magnetic field outside the boundaries of

1 If the equipment is being used in the country of

the cabinet, except the front, is too low to cause

purchase, you should contact the B&W authorised

distortion of the television picture in the vast majority

dealer fr

om whom the equipment was pur

chased.

of cases.

2

If the equipment is being used outside the country

Ther

e ar

e, however

, some extr

emely sensitive

of purchase, you should contact the B&W national

televisions – some that even have to be adjusted

distributor in the country of residence, who will

according to their alignment with the earth’s magnetic

field. If you have a problem, first de-magnetise the

2

television set with the speaker in place. Some have a

plug in the port tube as illustrated in Figure 2.

button especially for this purpose. If such featur

e is

If the bass seems uneven with frequency, this will

fitted, switch of

f the set at the mains for 15 minutes

most pr

obably be due to resonance modes in the

and switch on again – again with the speaker in place.

listening room. Even small changes in the position of

Mer

ely putting the set into standby mode will not be

the speakers or the listening position can have a

sufficient.

pr

ofound effect on how these resonances affect the

If you still have a problem, try moving the speaker

sound. Try moving the listening position a little

either forwar

ds or backwards a little to get a more

backwar

ds or forwards. The presence and position of

favourable alignment, or space the speaker further

large pieces of fur

niture can also influence resonant

from the television until the distortion disappears.

modes.

Because of the higher magnetic field in fr

ont of the

If the sound is too bright, incr

easing the amount of

speakers, magnetically sensitive articles (computer

soft furnishing in the room (heavier curtains for

discs, audio and video tapes, swipe cards, etc) should

example) may help balance the sound. Conversely

,

be kept at least 0.2m from the speaker

.

reducing the amount of soft furnishing may help

brighten a dull sound.

Connections

All connections should be made with the equipment

Some rooms suffer from "flutter echoes" – echoes that

switched off.

"bounce" between parallel room boundaries. Flutter

echoes can colour the sound of the speakers in the

There are 2 linked pairs of terminals on the back of the

room. Test for flutter echoes by standing in the middle

speaker. For conventional connection, the terminal

of the room and clapping your hands. Flutter echoes

links should remain in place (as delivered) and just one

can be reduced by placing irregular shaped items or

pair of terminals connected to the amplifier. For bi-wire

non-reflective surfaces, bookshelves, rugs or pictures

connection, the terminal links should be removed and

for example, on one of the offending walls or floor.

each pair of terminals connected to the amplifier

independently. Bi-wiring can improve the resolution of

Ensure that speaker stands are upright and firm on the

low-level detail. Figures 1a and 1b illustrate

floor. Use carpet piercing spikes if appropriate and

conventional and bi-wire connection.

adjust them to take up any unevenness.

Ensure that the positive terminals on the speaker

Running-in Period

(marked + and coloured red) are connected to the

The performance of the speaker will change subtly

positive output terminal on the amplifier and the

during the initial listening period. If the speaker has

negative terminals on the speaker (marked – and

been stored in a cold environment, the damping

coloured black) are connected to the negative output

compounds and suspension materials of the drive

terminal on the amplifier. Incorrect connection can

units will take some time to recover their correct

result in poor imaging and loss of bass.

mechanical properties. The drive unit suspensions will

Ask your dealer for advice when selecting speaker

also loosen up during the first hours of use. The time

cable. Keep its total impedance below the maximum

taken for the speaker to achieve its intended

recommended in the speaker specification and use a

performance will vary depending on previous storage

low inductance cable to avoid attenuation of high

conditions and how it is used. As a guide, allow up to

frequencies.

a week for the temperature effects to stabilise and

15 hours of average use for the mechanical parts to

Fine Tuning

attain their intended design characteristics.

Before fine tuning, make sure that all the connections

However, longer run-in periods (as long as a month)

in the installation are correct and secure.

have been reported and there is evidence to suggest

For greatest realism in home theatre installations, it is

that this has little to do with the speaker changing and

important to balance the speakers and adjust the

more to do with the listener getting used to the new

acoustic image to match the size of the screen. With

sound. This is especially so with highly revealing

smaller screens, it may be more realistic to have the

speakers such as these, where there may be a

left and right speakers closer together than you might

significant increase in the amount of detail compared

for audio alone.

with what the listener has previously been used to; the

sound may at first appear too "up front" and perhaps

Adjust the levels of the three front speakers to get a

a little hard. After an extended period of time, the

smooth transition of sounds as they pan across the

sound will seem to mellow, but without losing clarity

screen. Adjust the level of the surround speakers so

and detail.

that, except for special effects, your attention is not

unduly attracted to them. Listen from a variety of

Aftercare

probable listening positions when deciding on the

The cabinet surfaces usually only require dusting. If

optimum levels.

you wish to use an aerosol or other cleaner, remove

Moving the speaker further fr

om the wall will generally

the grille first by gently pulling it away from the

r

educe the volume of bass. Conversely, moving the

cabinet. Spray aerosols onto the cleaning cloth, not

speaker closer to the walls will increase the volume of

dir

ectly onto the product. Test a small area first, as

bass. If you want to reduce the volume of bass without

some cleaning products may damage some of the

moving the speaker further fr

om the wall, fit the foam

surfaces. Avoid products that are abrasive, or contain

3