Bowers & Wilkins DM 309 Bedienungsanleitung

307

Owner's

Manual

об

С)

ом

309

TOI

КИК

РЕПО

оон

PMG

ано

аы

ПӘЛЕН

сомен

ТИ

Owner's

manual

За

Svensk

wooo

ааа

По

ра

уыш

ыгы

Nederlands

ООСО

ОП

ЕХАПМИКО

ранна

НА

POMS

нала

Г.

Русски

Figure

ENGLISH

INTRODUCTION

Thank

you

for

choosing

Bowers

Wilkins.

are

contident

that

you

will

enjoy

many

years

listening

pleasure

from

your

speakers,

but

please

read

this

manual

fully

before

installing

them.

will

help

you

optimise

their

performance.

B&W

maintains

network

dedicated

distributors

over

countries

who

will

able

help

you

should

you

have

any

problems

your

dealer

cannot

resolve.

UNPACKING

(figure

Fold

the

carton

flaps

right

back

and

invert

the

carton

and

contents.

€

Lift

the

carton

clear

the

contents.

Remove

ihe

inner

packing

from

the

product.

suggest

you

retain

the

packing

for

future

use.

Check

the

carton

for:

е?

foam

plugs.

spike

feet

with

lock

nuts.

POSITIONING

(ligure

not

fit

the

spike

feet

until

you

have

found

the

best

position

for

your

speakers.

initia!

guide:

Position

the

speakers

and

the

centre

the

listening

area

approximately

the

corners

equilateral

triangle.

Keep

the

speakers

least

apart

maintain

leftright

separation.

Keep

the

speaker

Байез

least

clear

walls.

Stray

magnetic

fields

The

speaker

drive

units

create

stray

magnetic

fields

that

extend

beyond

the

boundaries

the

cabinet.

recommend

you

keep

magnetically

sensitive

articles

(television

and

computer

screens,

computer

discs,

audio

and

video

tapes,

swipe

cards

and

the

like]

least

O.5m

from

the

speaker.

CONNECTIONS

(figure

All

connections

should

made

with

the

equipment

switched

ой.

There

are

pairs

terminals

а!

the

back

the

speaker

which

permit

bi-wiring

desired.

delivery,

the

separate

pairs

are

connected

together

with

high-quality

links

for

use

with

single

2-core

cable.

For

single

cable

connection,

leave

the

links

place

and

use

either

pair

terminals

the

speaker.

Ensure

the

positive

terminal

the

speaker

{marked

and

coloured

red)

connected

the

positive

output

terminal

the

amplifier

and

negative

[marked

and

coloured

black]

negative.

Incorrect

connection

can

result

poor

imaging

and

loss

bass.

wire,

remove

the

links

loosening

the

terminal

caps

and

use

separate

2-core

cable

from

the

amplifier

each

pair

terminals.

This

can

improve

the

resolution

low-level

detail.

Observe

the

correct

polarity

before.

When

bi-wiring,

incorrect

connection

can

also

impair

the

frequency

response.

The

terminals

5mm

еп)

spades,

bared

wire

ends

round

pins

5mm

diameter

and

4mm

banana

plugs.

When

using

spades,

fit

them

under

the

sliding

collar.

Important

safety

notice:

certain

countries,

notably

those

Europe,

the

use

4mm

banana

plugs

considered

potential

safety

hazard,

because

they

may

inserted

into

the

holes

unshuttered

mains

supply

sockets.

order

comply

with

European

CENELEC

salety

regulations,

the

4mm

holes

the

ends

the

terminals

are

blocked

piastic

pins.

not

remove

the

pins

you

are

using

the

product

where

these

conditions

apply.

Always

screw

the

terminal

caps

down

tightly

optimise

the

connection

and

prevent

rattles.

Ask

your

dealer

Юг

advice

when

choosing

cable.

Keep

the

total

impedance

below

the

maximum

recommended

the

specification

and

use

low

inductance

cable

avoid

attenuation

the

highest

frequencies.

FINE

TUNING

Before

fine

tuning,

double

check

that

all

the

connections

the

installation

are

correct

and

secure,

Moving

the

speakers

further

Нот

the

walls

will

reduce

the

general

level

bass.

Space

behind

the

speakers

also

helps

create

impression

depth.

Conversely,

moving

the

speakers

closer

the

walls

will

increase

the

level

bass.

you

want

reduce

the

bass

level

without

moving

the

speakers

further

from

the

wall,

fit

the

foam

plugs

the

port

tubes

(figure

4).

ihe

bass

uneven

with

frequency

usually

due

the

excitation

resonance

modes

the

room.

Even

small

changes

the

position

the

speakers

the

listeners

can

have

profound

effect

how

these

resonances

affect

the

sound.

Try

mounting

the

speakers

along

different

wall.

Even

moving

large

pieces

furniture

can

have

effect.

the

central

image

poor,

try

moving

the

speakers

closer

together

toeing

them

they

point

just

front

the

listeners

(figure

2].

the

sound

too

harsh,

іпсгесзе

the

amount

soft

furnishing

the

room

(for

example

use

heavier

curtains],

reduce

the

sound

dull

and

lifeless.

Test

for

flutter

echoes

clapping

your

hands

and

listening

for

rapid

repetitions.

Reduce

them

the

use

irregular

shaped

surfaces

such

bookshelves

and

large

pieces

furniture.

Ensure

the

speakers

stand

firmly

the

floor.

Whenever

possible

fit

the

spike

feet

supplied

alter

you

have

optimised

the

positioning.

They

are

designed

pierce

through

carpeting

the

floor

surface.

Initially,

screw

the

lock

nuts

fully

onto

the

spikes

and

screw

the

spikes

fully

into

the

threaded

inserts

the

base

the

speaker.

the

cabinet

rocks,

unscrew

the

appropriate

spikes

until

the

speaker

stands

firmly

the

floor

and

lock

them

place

tightening

the

lock

nuts

against

the

base.

you

not

have

carpet,

use

protective

disc

under

the

spikes

protect

the

floor

surface.

AFTERCARE

The

cabinet

surface

usually

only

requires

dusting.

you

wish

use

aerosol

cleaner,

remove

the

grille

first

gently

pulling

away

from

the

cabinet.

Spray

onto

the

cleaning

cloth,

not

directly

onto

the

cabinet.

The

grille

fabric

may

cleaned

with

normal

clothes

brush

whilst

the

grille

detached

from

the

cabinet.

Avoid

touching

the

drive

unit

diaphragms,

especiolly

the

tweeter,

damage

moy

result.

Technical

features

Description

Drive

units

Frequency

range

Frequency

response,

Dispersion

Sensitivity

Harmonic

distortion

Nominal

impedance

Crossover

frequency

Recommended

amplifier

power

Max.

recommended

cable

impedance

Dimensions

Net

weight

шә?

DM"309

Nautilus”

tweeter

Fiowport™

2/ғууау

vented-box

system

e25mm

іп)

alloy

dome

high-frequency

1х

30mm

|(0.Оп)

woven

fibreglass

cone

bass/midrange

30mm

(Ө.біп|

woven

fibreglass

cone

bass

-6dB

4ОНг

and

42kH

60Hz

22kHz

«ЗаВ

reference

axis

Within

2dB

reference

response

Horizontal:

over

40°

arc

Vertical:

over

10°

arc

88dB

spl

(2.83V,

1m]

2nd

and

3rd

harmonics

(9OdB,

ini

«126

90Hz

20kHz

ВО

(minimum

3.09)

50Hz,

4kHz

25W

—

120W

into

unclipped

programme

2,442

Height:

Omm

135.8іп)

Width:

201mm

(7.9in}

Depth:

305mm

[12in]

LISTER

AND

YOULL

ЗЕЕ

B&W

Loudspeakers

Ша.

reserves

the

right

Г;

нЕ

еі

ще

the

specification

without

notice

;

›

кеге

ttd.

Printed

England.

OE.

ВАМУ

Loudspeakers

Ltd,

Meadow

Road,

Worthing,

BNI

2RX,

England

Те:

+44

i01

1903

524801

Fax:

+44

1903

52427925

www

hwsnenkers

cam

line

with

technical

developments.

915$}

058801

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