Bowers & Wilkins M-1 Bedienungsanleitung

M-1

ENGLISH

www.bowers-wilkins.com

Welcome to Bowers & Wilkins and M-1

Thank you for choosing Bowers & Wilkins. When John Bowers

rst established our company he did so in the belief 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 it

inspires every product we design.

Contents

ENGLISH 2

Welcome to Bowers & Wilkins and M-1 2

1 Contents 3

2 Positioning 3

2.1 2- and 2.1-channel (stereo) 3

2.2 Multi-channel home theatre 3

2.2.1 5.1-channel 3

2.2.2 6.1-channel 3

2.2.3 7.1-channel 3

3 Moving the ball socket position 4

3.1 Removing the table stand base 4

3.2 Removing and turning the back cover 4

3.3 Rotating the stem 4

4 Connecting using the table stand 5

5 Fitting and connecting using the

wall bracket 5

6 Adjusting the angle of the speaker 6

7 Rotating the badge 6

8 Environmental Information

ENGLISH

1 Contents

Check that you have:

1. Speaker on table stand

2. Wall bracket cover

3. Wall bracket

The wall bracket and cover are supplied clipped

together. Pull them apart if required for installation.

If you peel off the rubber mat on the underside of the

table stand, you will nd a Torx key that you will need

when making adjustments to the way the speaker is

mounted.

2 Positioning

The speakers may be used in distributed audio

applications, where they are typically mounted more

than 2.5m (8 ft) high on the wall pointing down. (see

Sections 3 & 5)

For other applications, choose where you are going

to place the speakers, using gures 2-6 according to

the type of installation you want.

2.1 2- and 2.1-channel (stereo)

Figure 2 shows a range of angles to a central

listener.

If the angle is less than 40º, you will not get sufcient

left to right separation.

If the angle is greater than 60º, you may begin to

detect a ‘hole in the middle’ effect, especially if

listening away from the centre line. To reduce this

effect, try toeing the speakers in to point towards a

central listener. (See Section 6 on how to adjust the

direction in which the speakers face.)

Either mount the speakers close to ear height or

angle them to point to ear height at the centre of the

listening area.

2.2 Multi-channel home theatre

Mount the front three speakers as shown in Figure

3. The height of the left and right speakers should

be as close to the centre of the screen as possible.

Their distance from the sides of the screen affects

the scale of the acoustic image. 0.5m (20 in) is a

good starting point, but experiment before xing the

speakers permanently in place.

The centre speaker should be near the bottom or

top of the screen, whichever is closest to ear height.

Surround speakers are best placed at least 0.6m

(2 ft) above head height, just like in a commercial

cinema, to achieve a more diffuse effect

2.2.1 5.1-channel

For the two surround speakers, stick as close as

possible to the angle specied in Figure 4. The

proportions of the room will dictate whether the

speakers should go on the side walls or the rear

wall.

2.2.2 6.1-channel

In this case (Figure 5), two of the surround speakers

should be placed in line with the centre of the

listening area and the third directly behind.

2.2.3 7.1-channel

Figure 6 shows the optimum positions if you have

four surround speakers.

Figure 1

2-channel

Figure 2

~0.5m

(20in)

~0.5m

(20in)

Figure 3

5.1-channel

6.1-channel 7.1-channel

Figure 4

Figure 5 Figure 6

ENGLISH

3 Moving the ball socket position

You can skip all of Section 3 completely if you are

going to use the speaker in portrait orientation on its

table stand as supplied, or you want to mount it high

on the wall with maximum downward tilt (Figure 7).

Note: To achieve maximum tilt, it is necessary to

invert the mounting of the wall bracket. (far right)

WARNING! This method of xing is

potentially less secure, because gravity

will allow the product to fall if the stem

is not properly tted to the bracket. It is essential

that the tapered ridge of the clamp bar engages

the groove of the stem as shown in Section 5.

You are advised to avoid this method of xing

unless the degree of tilt is absolutely necessary.

B&W Group cannot accept responsibility for any

damage or injury arising as a result of using this

method.

However, if you want to use it in landscape

orientation – perhaps for centre channel use – or

mount it on the wall in portrait orientation with the

bracket hidden behind the speaker (Figure 8), you

will need to change the position of the ball socket

from the bottom to the centre of the speaker.

3.1 Removing the table stand base

Peel off the rubber mat from the underside of the

base and remove the Torx key.

Locate the key in the cam-lock device and turn it

anti-clockwise to unlock the stem (Figure 9).

Part the base from the speaker (Figure 10).

3.2 Removing and turning the back cover

Remove the three screws as shown in Figure 11 and

pull the cover away from the back of the speaker.

Rotate the cover through 180º and re-assemble it

to the back of the speaker, now with the ball joint

positioned at the centre (Figure 12). Take care not to

trap any wires.

3.3 Rotating the stem

In all cases, loosen the accessible ball joint securing

screw (A), rotate the stem through 90º and tighten

the screw again. For landscape orientation, leave the

stem in that position (Figure 13).

For wall-mount portrait orientation, where you do

not need maximum downward tilt and want to hide

the wall bracket as much as possible behind the

speaker, loosen the other ball joint securing screw

(B), rotate the stem a further 90º and tighten the

screw (Figure 14).

Use the supplied Torx key.

Figure 8

Figure 7

Figure 9 Figure 10

Figure 11 Figure 12

Figure 13 Figure 14

27° max 40° max

ENGLISH

4 Connecting using the table stand

Remove the rubber mat from the underside of the

base (Figure 15).

Strip back the outer sheath of the cable by 75mm

(3 in) to expose the two inner sheathed wires.

Strip back the positive and negative wires to expose

10mm (3/8 in) of bare wire. If using multi-strand wire,

twist the strands to obtain a neat end.

Feed each wire through the appropriate hole in the

back of the base, observing the polarity coding

as indicated. The wires will follow a channel and

emerge in line with the side holes in the spring

terminals.

Press the ends of the terminals fully and push the

wire into the terminals. Then release the terminal

ends to clamp the wire.

Replace the rubber mat.

5 Fitting and connecting using the

wall bracket

WARNING!

Do not attach the speaker to the ceiling. Decide how

the cable is to be routed to the wall bracket – on the

wall surface (from underneath only), chased into the

plasterwork, or inside hollow (drywall) construction.

If routing the cable inside the wall or in the plaster

layer, install it before xing the wall bracket in place

and leave 50mm (2 in) showing with the outer sheath

stripped back.

Take care to route the cable clear of where the

bracket xing screws will be. For example, if the

cable is chased into the plaster from above, omit the

centre xing screw.

If laying the cable on the wall surface, t the wall

bracket rst. Cable cannot be routed around the

support platform of the bracket when the cover is

in place. There is only one knock-out in the cover

as shown, so the cable must approach from this

direction.

Using a spirit level, offer the wall bracket to the wall

and mark out the xing holes.

Drill and plug the wall as appropriate to the type of

construction (screws and plugs not supplied).

If laying the cable on the wall surface from below,

remove the knock-out at the bottom of the bracket

cover to accommodate the cable.

Strip back the ends of the inner cores of the cable

to expose 10mm (3/8 in) of bare wire and neatly

twist if multi-strand. Connect the wires to the screw

terminals, observing the correct polarity as shown.

Remove the table stand base, following the

instructions in Section 3.1.

Slide the cover up the stem. Make sure the securing

clamp is clear of the stem aperture in the bracket

and push the end of the speaker stem fully into

the aperture. Tighten the two screws through the

securing clamp evenly using the Torx key supplied

until the slack is taken out of the t of the stem.

Check that the tapered ridge of the clamp engages

the groove in the stem. Do not over-tighten.

Slide the cover back down the stem and click into

place on the wall bracket.

Figure 15

Figure 16

ENGLISH

6 Adjusting the angle of the speaker

There are two screws next to the ball socket joint at

the back of the speaker that tighten the joint to hold

the speaker in place. It is only necessary to loosen

one of these to free the joint. Indeed, in portrait

orientation, only one screw will be accessible

(Figure 17).

Use the supplied Torx key to loosen and tighten the

screws.

7 Rotating the badge

If using the speaker in landscape orientation, you

will need to rotate the logo badge through 90º. The

badge is spring loaded. Use the plastic lm tted to

the rear of the badge to pull it out and rotate it. After

doing so, remove the lm (Figure 18).

8 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.

Figure 17

Figure 18

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