Bowers & Wilkins Loudspeaker Signature 805: инструкция

Owner’s Manual

and Warranty

Figure 1

Figure 2

Figure 3a

Figure 3b

Figure 3c

Figure 4

Contents

English

Dansk

Limited Warranty...........1

Begrænset garanti ......16

Owner’s Manual............1

Brugsanvisning ...........16

Français

Svenska

Garantie limitée.............3

Begränsad garanti ......18

Manuel d’utilisation .......3

Bruksanvisning ...........18

Deutsch

Ελληνικά

Beschränkte

Περιορισµένη

Garantie .......................5

εγγύηση....................20

Bedienungsanleitung.....5

Οδηγίες Χρήσεως ....20

Español

Русский

Garantía limitada...........7

Ограниченная

Manual de

гарантия....................22

instrucciones ................7

Руководство по

эксплуатации ............23

Português

Garantia limitada...........9

Manual do utilizador....10

.......................25

.....................25

Italiano

Garanzia limitata .........11

Manuale di istruzioni ...12

.......................26

....................27

Nederlands

Beperkte garantie .......13

Handleiding ................14

where the equipment can be serviced.

stand or shelf used can affect the sound

English

You can call B&W in the UK or visit our

quality of the speaker. Ask your dealer for

web site to get the contact details of

advice on the best type for your needs.

your local distributor.

Limited Warranty

4 self-adhesive rubber pads are supplied

To validate your warranty, you will need to

which may be fixed to the base of the

Dear customer,

produce this warranty booklet completed

speaker to protect the surface and give a

and stamped by your dealer on the date of

degree of vibration isolation between the

Welcome to B&W.

purchase. Alternatively, you will need the

speaker and its support. Alternatively, if you

This product has been designed and

original sales invoice or other proof of

require more isolation or the support

manufactured to the highest quality

ownership and date of purchase.

surface is not quite flat, you may use 4

standards. However, if something does go

pieces of malleable re-usable adhesive (for

wrong with this product, B&W

example Bostik® Blu-Tack®). Some stands

Loudspeakers and its national distributors

are supplied with upward pointing spikes to

warrant free of charge labour (exclusion

Owner’s manual

support the speaker and you should be

may apply) and replacement parts in any

aware that these will deface the base of the

country served by an official B&W

speaker.

Introduction

distributor.

To find the optimum position in the room

Thank you for choosing B&W.

This limited warranty is valid for a period of

may involve a certain amount of

five years from the date of purchase or two

Your Signature series speakers are

experimentation, but as an initial guide:

years for electronics including amplified

precision transducers incorporating many

• Position the speakers and the centre of

loudspeakers.

innovative techniques unique to B&W and

the listening area approximately at the

capable of reproducing recorded sound to

Terms and Conditions

corners of an equilateral triangle.

the highest standards. So that they may

1 The warranty is limited to the repair of

perform at their best, it is essential to take

• Keep the speakers at least 1.5m apart

the equipment. Neither transportation,

time and care with the installation process.

to maintain left-right separation.

nor any other costs, nor any risk for

In particular, you must regard the listening

The proximity of the speakers to walls

removal, transportation and installation

room as an extension of the speaker. The

affects the sound quality.See the

of products is covered by this warranty.

acoustic character of the room can have a

section“Fine Tuning” below.

profound effect on the final sound quality.

2 This warranty is only valid for the

Stray magnetic fields

original owner. It is not transferable.

Please read this manual fully before

unpacking and installing the product. It will

The speaker drive units create stray

3 This warranty will not be applicable in

help you to optimise its performance.

magnetic fields that extend beyond the

cases other than defects in materials

boundaries of the cabinet.

and/or workmanship at the time of

B&W maintains a network of dedicated

purchase and will not be applicable:

distributors in over 60 countries who will be

We recommend you keep magnetically

able to help you should you have any

sensitive articles (television and computer

a for damages caused by incorrect

problems your dealer cannot resolve.

screens, computer discs, audio and video

installation, connection or packing,

tapes, swipe cards and the like) at least

b for damages caused by any use other

Unpacking (figure 1)

0.5m from the speaker.

than correct use described in the user

• Fold the carton flaps right back and

manual, negligence, modifications, or

Connections (figure 3)

invert the carton and contents.

use of parts that are not made or

All connections should be made with the

authorised by B&W,

• Lift the carton clear of the contents.

equipment switched off.

c for damages caused by faulty or

• Remove the polystyrene packing from

Important safety notice:

unsuitable ancillary equipment,

the end and sides of the speaker.

In certain countries, notably those in

d for damages caused by accidents,

• Open the bag and pull it clear of the

Europe, the use of 4mm banana plugs is

lightning, water, fire heat, war, public

base of the speaker.

considered a potential safety hazard,

disturbances or any other cause

• Turn the speaker right way up and

because they may be inserted into the

beyond the reasonable control of B&W

remove the final polystyrene tray and

holes of unshuttered mains supply sockets.

and its appointed distributors,

bag.

In order to comply with European

e for products whose serial number has

CENELEC safety regulations, the 4mm

We suggest you retain the packing for

been altered, deleted, removed or

holes in the ends of the terminals are

future use.

made illegible,

blocked by plastic pins. Do not remove the

Check in the carton for:

pins if you are using the product where

f if repairs or modifications have been

these conditions apply.

executed by an unauthorised person.

• 4 self-adhesive rubber pads.

There are 2 pairs of terminals at the back of

4 This guarantee complements any

• 2 terminal link cables

the speaker to permit bi-wiring. The lower

national/regional law obligations of

• Cleaning cloth

pair feed the bass/midrange drive unit and

dealers or national distributors and

the upper pair feed the tweeter.

does not affect your statutory rights as

Wood is a natural material and veneers vary

a customer.

between batches. Although supplied as

The terminals are insulated to prevent any

single units, systems with consecutive

likelihood of electrical shock, even when

How to claim repairs under

serial numbers (odd number lower) have

the speakers are used with the highest

warranty

veneer-matched cabinets. Please be aware

powered amplifiers, and accept a variety of

Should service be required, please follow

that if more than two speakers are

cable termination to suit most applications.

the following procedure:

purchased for a single installation, B&W

Bi-wiring is the preferred method of

cannot guarantee they will all be veneer

1 If the equipment is being used in the

connection and involves the use of

matched.

country of purchase, you should

separate cables from the amplifier to each

contact the B&W authorised dealer

pair of terminals. The separation of the

Positioning (figure 2)

from whom the equipment was

signal paths improves the resolution of low-

purchased.

Mount the speakers on firm dedicated

level detail and allows the user to optimise

stands that place the tweeters

the type of cable to the frequency range of

2 If the equipment is being used outside

approximately at ear level. Bookshelf

use.

the country of purchase, you should

mounting is possible but allows less

contact B&W national distributor in the

opportunity for optimising the sound. The

country of residence who will advise

1

Should you not want to bi-wire, perhaps

Running-in period

the cleaning cloth, not directly onto the

during the initial set-up procedure or

cabinet. The grille fabric may be cleaned

The performance of the speaker will change

because you do not want to see a

with a normal clothes brush whilst the grille

subtly during the initial listening period. If

multitude of cables in the room, short

is detached from the cabinet.

the speaker has been stored in a cold

cables are provided to link both positive

environment, the damping compounds and

The surface of the tweeter housing will

and both negative speaker terminals

suspension materials of the drive units will

benefit from the use of an anti-static

together.

take some time to recover their correct

cleaner. Do not attempt to remove the

When using the links, insert the spade into

mechanical properties. The drive unit

tweeter grille.

the slot in the side of one terminal and the

suspensions will also loosen up during the

Avoid touching the drive unit diaphragms,

crimped pin into the round side hole in the

first hours of use. The time taken for the

especially the tweeter, as damage may

other. There is enough clearance to insert a

speaker to achieve its intended

result.

spade connector from the amplifier into the

performance will vary depending on

same terminal as the crimped pin.

previous storage conditions and how it is

used. As a guide, allow up to a week for

Ensure each positive terminal on the

the temperature effects to stabilise and

speaker (coloured red) is connected to the

60 hours of average use for the mechanical

positive output terminal of the amplifier and

parts to attain their intended design

negative (coloured black) to negative.

characteristics.

Incorrect connection can result in poor

imaging and loss of bass.

Ancillary equipment

When bi-wiring, do not use the linking

Speakers of this ability deserve signals of

cables. Take extra care with the polarity of

the highest quality. Choose your electronic

the connections as incorrect connection

equipment and interconnecting cables with

can also impair the frequency response

care. We can give guidance on what to

through the bass-midrange crossover and,

look for when choosing ancillary

if the links are left in place, may cause

equipment, but cannot recommend specific

damage to the amplifier by shorting its

items. The standards of such products are

output terminals.

improving all the time and your dealer will

be able to demonstrate a variety of suitable

Fine tuning

up-to-date products.

Before fine tuning, double check that all the

In the specification we recommend a range

connections in the installation are correct

of amplifier powers. The higher figure is

and secure.

defined by the power handling capability of

Moving the speakers further from the walls

the speaker. When calculating the power

will reduce the general level of bass. Space

handling, it is assumed that the amplifier is

behind the speakers also helps to create an

not run into clipping, which distorts the

impression of depth. Conversely, moving

frequency power spectrum of the signal,

the speakers closer to the walls will

and that the signal is normal programme

increase the level of bass.

material. Test tones from oscillators and the

like are not applicable. The lower figure is

If the bass is uneven with frequency it is

the minimum we consider necessary to

usually due to the excitation of resonance

achieve reasonable listening levels without

modes in the room. Even small changes in

audible distortion in the smaller room (less

the position of the speakers or the listeners

3

than 50 m

or 2000 cu ft). The higher the

can have a profound effect on how these

power you use, the less likely you are to

resonances affect the sound. Try mounting

experience amplifier clipping. You can often

the speakers along a different wall. Even

tell how good an amplifier is at driving

moving large pieces of furniture can have

complex speaker loads by looking at its

an effect.

power rating into both 4Ω and 8Ω loads.

If the central image is poor, try moving the

The nearer the ratio is to 2:1 the better, as

speakers closer together or toeing them in

it indicates a good current capability.

so they point at or just in front of the

In order to reduce the effect the cable has

listeners. (figure 4)

on the frequency response of the speaker

If the sound is too harsh, increase the

to inaudible levels, the impedance of the

amount of soft furnishing in the room (for

cable at all frequencies (measuring both

example use heavier curtains), or reduce it

positive and negative conductors in series)

if the sound is dull and lifeless.

should be kept as low as possible and

certainly below 0.1Ω. At low frequencies,

Test for flutter echoes by clapping your

the DC resistance of the cable is the

hands and listening for rapid repetitions.

dominant factor and you should choose a

Reduce them by the use of irregular

gauge of wire sufficient to achieve the

shaped surfaces such as bookshelves and

impedance requirements over the length of

large pieces of furniture.

cable you need to use. At mid and high

Ensure the speaker stands are firm on the

frequencies the inductive component of the

floor. If you have a carpet, use carpet-

impedance can dominate the DC

piercing spikes and adjust them to take up

resistance. This and other properties

any unevenness in the floor.

influenced by the detailed construction of

the cable become important. Ask your

For the most discerning listening, remove

dealer for advice on the best cable for your

the cloth covered grille as described below

needs.

in the section “Aftercare”. The tweeter is

very delicate and its grille should be left in

Aftercare

position for protection. For this reason the

grille retaining ring is designed to provide

The cabinet surface usually only requires

the optimum acoustic environment for the

dusting. If you wish to use an aerosol

unit and the response is less smooth with

cleaner, remove the grille first by gently

the grille removed.

pulling it away from the cabinet. Spray onto

2