Bowers & Wilkins 700 3 Series Bedienungsanleitung

Manual

700 Series 3

bowerswilkins.com

Welcome and thank you for choosing Bowers & Wilkins.

Our founder, John Bowers, believed that imaginative design,

innovative engineering and advanced technology were keys that

could unlock the enjoyment of audio in the home. His belief is one

that we continue to share and inspires every product we design.

This is a high performance product that rewards thoughtful

installation, so we suggest that you take some time to read this

manual before you begin. Continue on page 3 

ENGLISH

Carton Contents

The table above illustrates the component parts that are packed

with the product. In the unlikely event that anything is missing

please contact the retailer from whom you purchased the

speakers.

The tweeter assembly on 702 S3, 703 S3, 705 S3 and HTM71

S3 loudspeakers is a decoupled component that is mechanically

isolated from the main part of the cabinet. As such, it may appear

to be loose when the product is rst removed from its packaging.

This is not a fault: it is an inherent feature of the design and

ensures optimum performance from your speaker.

Environmental Information

This product complies with international directives, including but

not limited to:

i. the Restriction of Hazardous Substances (RoHS) in

electrical and electronic equipment,

ii. the Registration, Evaluation, Authorisation and restriction of

CHemicals (REACH)

iii. the disposal of Waste Electrical and Electronic Equipment

(WEEE).

Consult your local waste disposal authority for guidance on how

properly to recycle or dispose of this product.

Grille Foam

Plug

Rubber Foot

(self-adhesive)

Rubber Foot

(screw-on)

Spike

Foot

Plinth Allen

Key

35mm

Screw

Plain

Washer

Shakeproof

Washer

Tommy

Bar

Spanner

702 S3 1 4 4 1 1 4 4 4 1 1

703 S3

704 S3 1 1 4 4 1 1 4 4 4

705 S3

706 S3

707 S3 2 2 8

HTM71 S3

HTM72 S3 1 1 4

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Speaker Installation

702 S3 / 703 S3 / 704 S3

702 S3, 703 S3 and 704 S3 are intended to be oor mounted

only. For proper stability, always install the provided plinth, then

ensure that the speakers stand rmly on the oor using the spike

or rubber feet supplied.

You may attach the plinth during the unpacking process, following

the illustrations above or the diagrams on the top ap of the

carton.

Warning

The plinth MUST always be used, with the rubber or spike feet

inserted into the plinth. DO NOT insert rubber or spike feet

directly into the cabinet.

Note: Rubber feet installation is nearly identical to spike feet

installation. The tommy bar and spanner are only included

and used with the 702 S3 model during spike / rubber feet

installation.

702 S3 703 S3 / 704 S3

2. Positioning 702 S3 703 S3 / 704 S3

ENGLISH

705 S3 / 706 S3 / 707 S3

The 705 S3, 706 S3 and 707 S3 are primarily designed to be

mounted on a dedicated oor stand (FS-700 S3), but may be

placed on a shelf if preferred. However, it should be noted that

this offers less exibility to optimise the speaker’s performance.

If shelf placement must be used, we recommend using the foam

plugs (supplied) to optimise port performance (see Section 4:

Fine-Tuning).

In both installation cases, the speakers’ tweeters should be

approximately at ear height at your usual listening position.

Note: If using a shelf, ensure that it is strong enough to

properly support the weight and ﬁt the four self-adhesive

rubber feet to the underside of the speaker.

Important Safety Notice

Sharp spikes, do not touch.

The spike feet are designed to pierce carpet and rest on the

oor surface. Initially, screw the lock nuts onto the spikes just

far enough to leave the nuts oating just above the carpet when

the spikes are resting on the oor beneath. Then, screw the

spikes fully into the threaded inserts in the plinth. If the cabinet

rocks when placed on the oor, unscrew the two spikes that do

not touch the oor until the cabinet rests rmly without rocking.

Finally, lock the nuts against the base by using the supplied

spanner to gently tighten the nut whilst using the supplied tommy

bar to stop the spike foot rotating. It may be more convenient to

t and adjust the spike feet after speaker positioning has been

optimised.

If there is no carpet and you wish to avoid scratching the oor

surface, use either a protective metal disc (a coin perhaps)

between the spike and the oor, or use the supplied rubber feet.

Fit the rubber feet and level the cabinet in the same manner as

with the spike feet.

<15mm

<29mm

<30mm

<31mm

702 S3 703 S3 / 704 S3

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Speaker Positioning

In either stereo or home theatre installations, try to ensure that the

immediate surroundings of each speaker are similar in acoustic

character. For example, if one speaker is adjacent to bare walls

while the other is adjacent to soft furnishings and curtains, both

the overall sound quality and the stereo image are likely to be

compromised.

Conventional Stereo Systems

To begin with, the speakers should be positioned between 1.5m

and 3m apart at two corners of an equilateral triangle completed

by the listening area at the third corner. The speakers should be

placed at least 0.5m away from the back and any side walls (as

per the illustration above).

HTM71 S3 / HTM72 S3

If using a projection television with an acoustically transparent

screen, position the speaker behind the centre of the screen.

Otherwise, position it either directly below or above the screen

using either a oor stand, furniture unit or wall shelf, ensuring the

speaker is as close to ear height as possible. If the speaker is

to be placed either on a shelf or in a rack shared with other AV

equipment, x the four self-adhesive rubber feet to the base of

the speaker. They provide a degree of vibration isolation.

>0.5m >0.5m

1.5m - 3m

ENGLISH

Home Theatre Systems

If the speakers are to be used for the front channels in a home

theatre system, they should be placed closer together than for

2-channel audio, because the surround channels tend to widen

the image. Positioning the speakers within approximately 0.5m

of the sides of the screen will also help keep the sound image

in scale with the visual image. As with conventional stereo

positioning, the speakers should ideally be at least 0.5m away

from any side walls.

Stray Magnetic Fields

The speaker drive units create stray magnetic elds that extend

beyond the boundaries of the cabinet. We recommend you keep

magnetically sensitive articles (CRT television and computer

screens, computer discs, audio and video tapes, swipe cards and

the like) at least 0.5m from the speaker. LCD, OLED and plasma

screens are not affected by magnetic elds.

>0.5m

110° - 130°

~40°

5 Channels 7 Channels

0.5m - 1m 0.5m - 1m

ENGLISH

Important Safety Notice

All connections should be made with the audio

equipment switched off. When using audio equipment

in normal operation, touching uninsulated speaker

terminals or wiring may result in an unpleasant sensation. The

700 S3 speaker terminals accept a variety of cable terminations:

4mm banana plugs, 6mm and 8mm (1/4 in and 5/16 in) spades,

or bare wires up to 4mm (5/32 in) diameter.

Important Safety Notice

In certain countries, notably those in Europe, the use

of 4mm banana plugs is considered a potential safety

hazard, because they may be inserted into the holes

of unshuttered mains supply sockets. In order to comply with

European CENELEC safety regulations, the 4mm holes in the

ends of the terminals are blocked by plastic pins. If you are using

the products in any country where these conditions apply, you

should ensure that any banana plugs cannot be used in an unsafe

manner by children or other uninformed persons. The plastic pins

can be removed if you wish to use banana plugs.

Ask your dealer for advice when selecting speaker cable. Keep

its total impedance below the maximum recommended in the

speaker specication and use a low inductance cable to avoid

attenuation of high frequencies.

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

speaker. For conventional connection (above left), the terminal

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

terminals connected to the amplier. For bi-wire connections

or bi-amplication (above right), the terminal links should be

removed and each pair of terminals connected to the amplier or

ampliers independently. Bi-wiring can improve the resolution of

low-level detail.

Ensure that the positive terminals on the speaker (with red ring)

are connected to the positive output terminal on the amplier

and the negative terminals on the speaker (with black ring) are

always connected to the negative output terminal on the amplier.

Incorrect connection will not result in damage but will cause poor

stereo imaging and loss of bass. Always screw the terminal caps

down fully to prevent rattles.

3. Connections

-LF -HF +LF +HF

Conventional Connection Bi-Wired Connection

ENGLISH

If no alternatives exist, you can adjust your loudspeakers’ low-

frequency performance using the supplied foam plugs. The plugs

are a two-piece part, allowing for a degree of ne-tuning using

either the outer, larger-diameter piece in isolation or the two parts

together. Using solely the outer, larger-diameter foam piece will

deliver less bass attenuation than the complete plug assembly.

If the central image lacks focus, try moving the speakers closer

together or angle them inward so that they point at a location

just in front of the listening position. If the sound is too bright,

increasing the amount of soft furnishing in the room (heavier

curtains for example) may help balance the sound. Conversely,

reducing the amount of soft furnishing may help brighten a dull

sound.

For the most discerning listening, remove the grilles by gripping

around their edges and gently pulling them away from the

cabinet.

Before ne-tuning, make sure that all the connections in the

installation are correct and secure.

Moving the speakers further from the walls will generally reduce

the volume of bass. Space behind the speakers will also help

to create an aural impression of depth. Conversely, moving the

speakers closer to the walls will increase the volume of bass.

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

speakers further from the wall, t the foam plugs or, for less

severe bass reduction, the foam rings in the port tubes (above).

If the bass seems uneven with frequency this will most probably

be due to resonance modes in the listening room. Even small

changes in the position of the speakers or the listening position

can have a profound effect on how these resonances affect the

sound. Try moving the listening position or locating the speakers

along a different wall. The presence and position of large pieces

of furniture can also inuence resonance modes.

4. Fine-Tuning

ENGLISH

The cabinet surfaces will usually only require dusting. We

recommend you use a soft microbre cloth. If you wish to use

an aerosol or other cleaner, apply the cleaner onto the cloth, not

directly onto the product, and test a small area rst, as some

cleaning products may damage some of the surfaces. Avoid

products that are abrasive, or contain acid, alkali or

anti-bacterial agents. Do not use cleaning agents on the drive

units. Avoid touching the drive units as damage may result.

Whenever Bowers & Wilkins speakers are nished in real wood,

the nest veneers are selected and treated with an ultra-violet

resistant lacquer to minimise changes in colour over time.

Nevertheless, like all natural materials, the veneer will respond to

its environment and a degree of colour change is to be expected.

Colour differences may be rectied by exposing all the veneer

surfaces equally and evenly to sunlight until the colour is uniform.

This process can take several days or even weeks, but may be

accelerated by careful use of an ultra-violet lamp. Wood veneered

surfaces should also be kept away from direct sources of heat

such as radiators and warm air vents in order to minimise the

possibility of the wood veneer cracking.

The tweeter housing has a textured nish that may collect

supercial marks when handled. It can be cleaned by wiping a

soft microbre cloth around the housing, in line with the surface

texture.

The performance of the speaker will change subtly during the

initial listening period. If the speaker has been stored in a cold

environment, the damping compounds and suspension materials

of the drive units will take some time to recover their correct

mechanical properties. The drive unit suspensions will also loosen

up during the rst hours of use. The time taken for the speaker to

achieve its intended performance will vary depending on previous

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

a week for the temperature effects to stabilise and 15 hours of

average use for the mechanical parts to attain their intended

design characteristics.

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