Monitor Audio Monitor Reference Series Manuel utilisateur

MONITOR REFERENCE

owners manual

monitoraudio.co.uk

Monitor Ref Manual Rev1.2.indd 1 30/03/2012 10:37:39

Monitor Ref Manual Rev1.2.indd 2 30/03/2012 10:37:39

monitoraudio.com 1

CONTENTS PAGE

Introduction 1

Positioning 2

AV Positioning 2

2 Channel Positioning 3

Spike Fixing 3

Wiring Conﬁgurations 4

Port Bungs 5

Amp Panel & Controls 6

Positioning & Initial set Up of MRW-10 8

Set Up 9

Trouble Shooting 9

Speciﬁcations 10

Owner Information 11

INTRODUCTION

Thank you for purchasing the Monitor Reference Series loudspeakers.

By using the ﬁnest materials around, we have been able to use our decades of expertise in

developing quality loudspeakers to bring the Monitor Reference series to life.

Resplendent in a stunning black oak vinyl furniture ﬁnish and built with the accuracy that

exempliﬁes the Monitor Audio brand world-wide, the six model strong Monitor Reference Series

will look gorgeous in any room.

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Monitor Reference Series2

POSITIONING

AV Positioning

The front, and in some cases rear, ﬂoor standing and stand mount speakers should be positioned

approx 6 - 9 feet apart (1.8m - 2.5m) and start with them about 10 inches (25cm) from the wall.

When playing music, if the sound is too bass heavy or there is bass boom from the room, then

try moving the loudspeakers slightly further away from the wall(s). If this is not possible, then try

the supplied port bungs (not included in the MR Centre). Refer to Page 5.

The MR Centre should be positioned so that it is pointing at you, in your viewing position, and

at approximate ear height. If it is below or above ear height, use some rubber feet (small feet

supplied) to angle it slightly.

22°

0°

30°

90°

110°

135°

150°

CentreLeft Right

Surround

Right

Surround

Left

Rear

Surround

Left

Rear

Surround

Right

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monitoraudio.com 3

2 Channel Positioning

For use in a 2 channel system, the listening position and the loudspeakers should form an

equilateral triangle. The speakers should be positioned approximately 6 - 10 feet (1.8 - 3m)

apart. They ideally need to be between 8 - 18 inches (20 - 45cm) away from the rear and 3 feet

(1m) from the side walls.

Experimentation is strongly advised when initially setting up your speakers, as environments and

personal preference differ with each installation. If there is not enough bass, for example, then

try moving your speakers closer to a wall. The opposite, if there is too much bass. Also see the

information on page 5 refering to Port Bungs. If you are loosing stereo imaging, try ‘toeing’ them

in slightly. The sound should appear to originate from the centre point between the speakers,

not the actual speakers themselves.

SPIKE FIXING

The Monitor Reference Series ﬂoor standing loudspeakers, come with spikes. These enhance

the acoustic performance of the loudspeaker and should be used where possible. The spikes

can be found in the packaging of the MR4 and MR6 only.

BEWARE. The spikes are very sharp, and could cause injury if care is not taken when

handling them.

Please ensure there are no hidden wires under the carpet, or trailing mains leads that

could be damaged by the spikes.

1. Carefully place the cabinet on it’s top or back to ﬁt the spikes.

2. Screw the spikes into the threaded inserts on the bottom of the cabinets.

3. Carefully turn your speaker back over and check that it is evenly balanced. If uneven, you

can adjust the height in the appropriate (lowest) corner by unscrewing the spike slightly. This

operation may need to be repeated a several times to ensure your cabinet is completely

level. When you are happy with the balance of the cabinet, tighten the locking nut on each

spike.

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Bi-Wire or

Bi Amp

Single Wire

WIRING CONFIGURATIONS

Monitor Reference Series4

For the MR1 and MR Centre, there are

only one pair of terminals (as in illustration

opposite). This means it is only possible

to single wire these speakers.

The MR2, MR4 & MR6 all have two pairs

of terminals. By running one pair of cables

(one positive and one negative) you will be

single wiring them.

When single wiring these speakers, you

must leave the terminal links in.

By running two pairs of cables (two

positive and two negative) from a single

pair of terminals on your amp, you will be

bi-wiring them.

Some AV ampliﬁers support bi-amping.

This is very similar in process to bi-wiring,

except the two pairs of cables will not

be joined at the ampliﬁer end to a single

set of terminals, they go to two pairs of

terminals. Bi-amping is also achieved by

using two stereo ampliﬁer.

By bi-wiring/ bi-amping them you will get

a cleaner, more smooth sound with tighter

mid and more controlled bass.

When bi-wiring these speakers, you must

remove the terminal links. Failure to do so

will result in damage to your amp.

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PORT BUNGS

WARNING: Care must be taken not to insert the port bungs too far into the port, as

this may result in the foam bung being lost inside the cabinet.

If the loudspeaker is to be installed in a small room, typically 9 sqM ( 80 sqFT), or a room

known to reproduce accentuated bass response, it may be desirable to ﬁt port bungs. However,

experimentation is recommended with positioning of the loudspeaker in the room prior to ﬁtting.

To optimise performance from the loudspeaker it is important to ensure the loudspeaker is not

positioned too close to a wall or near the corners of a room (refer to the suggestions on pages

2 and 3).

If the positioning of the loudspeaker is predetermined by room aesthetics or layout, or you ﬁnd

you have accentuated bass, please read point 1 for the MR1 & MR2 and point 2 for the MR4 &

MR6.

1. Where bookshelf/ stand-mount speakers (MR1 & MR2) are to be sited in close proximity

(less than 8 inches/ 20cm) to a rear wall (such as on a bookshelf, wall mounted, positioned

in a cabinet or on a stand close to a wall), we recommend experimenting with ﬁtting port

bungs into the ports. This will reduce the bass ‘boom’ sometimes termed as “overhang”,

and assist the loudspeakers to reproduce their best performance under these environmental

conditions. ‘Boom’ is generally caused when bass energy from the loudspeaker ‘excites’

room modes and causes an accentuation at a particular frequency, or number of frequencies.

2. Where ﬂoor-standing loudspeakers (MR4 & MR6) are to be sited in close proximity (closer

than 18 inches/ 45cm) to a rear wall, we recommend experimenting ﬁtting the port bungs.

This will reduce the bass ‘boom’ sometimes termed as overhang and assist the loudspeakers

to reproduce their best performance under these environmental conditions. This is caused

when bass energy from the loudspeaker ‘excites’ room modes and causes an accentuation

at a particular frequency, or number of frequencies.

When ﬁtting port bungs the overall bass extension will not be reduced, however bass energy/

output around the port tuning frequency will be reduced. This has the effect of reducing bass

‘boom’ while increasing bass clarity and apparent agility.

Experimentation is highly recommended.

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AMP PANEL & CONTROLS FOR MRW-10

Notes:

1. ARTWORK SCREENPRINTED ON.

2. COLOUR : WHITE

Title : MONITOR MRW-10 AMP PANEL ARTWORK

Date: 2ND MARCH 2011

PAINTED

TEXT : WHITE

FONT : HELVETICA & ARIAL

CAUTION:

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE

COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE

REFER SERVICING TO QUALIFIED SERVICE PERSONNEL

ATTENTION:

AFIN DE RÉDUIRE TOUT RISQUE DE CHOC ÉLECTRIQUE, NE PAS RETIRER

LE COUVERCLE (OU CAPOT ARRIERE), NE CONTIENT PAS DE PIECES REPARABLES

PAR L’UTILISATEUR CONFIER TOUT ENTRETIEN À UN PERSONNEL QUALIFIÉ

10a

Monitor Reference Series6

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1. Power Mode Switch with On-Auto-Off Facility

The Power Mode Switch has three positions: ‘On’–‘Auto’–‘Off’. With the switch in the ‘On’

position, the subwoofer is permanently switched on under all conditions. In the ‘Auto’

position the subwoofer will automatically switch on when an input signal is received and will

remain on until no signal is received for around 10-15 minutes, the MRW-10 will then switch

into standby mode until a signal is received once more. When the switch is in the ‘Off’

position the subwoofer will not function.

2. Phase

The phase control is used to synchronise the output between the MRW-10 and main/

satellite speakers. For most applications this should be set to 0 degrees.

3. By Pass Filter Switch

When set to the ‘Off’ position the crossover frequency control (section 4) is activated and

can be adjusted from 45Hz to 150Hz using the crossover frequency control. In this position

it can be used with an ampliﬁer that does not have a dedicated subwoofer or LFE output,

such as a stereo 2-channel ampliﬁer. If the ampliﬁer or AV processor has a dedicated LFE

or subwoofer output, the By Pass Filter Switch should be set to the ‘On’ position. The low

pass ﬁlter will then be set by the AV ampliﬁer’s internal ﬁlter. This is set in accordance with

the ampliﬁer or AV processor user guide. The table below can be used to set the frequency.

4. Crossover

This feature controls the upper frequency limit of the MRW-10, and will only be active when

the switch (above) is in the ‘Off’ position. The table below will help you to select the correct

frequency at which to crossover depending on your main speakers.

5. Power LED

The LED indicates whether the unit is in stand-by mode or operational. It will be illuminated

red when in stand-by, and green when operational.

6. Volume

This control allows the subwoofer level or loudness to be adjusted in order that you can

achieve a totally controlled, balanced sound.

7. RCA Phono Input Connection

This is the only method of signal input connection to the MRW-10. When using a stereo

ampliﬁer system, connection can be provided by a pair of high-quality signal cables from the

pre-out section of an ampliﬁer. If a digital AV processor or AV receiver/ampliﬁer is to be used,

a single cable can be connected from the ‘sub out’ or LFE connection on the ampliﬁer to the

RCA input connection on the MRW-10 labelled ‘R’. The RCA input marked ‘L’ in this case

will remain unused. Note: - cable lengths should not exceed 10 metres to avoid interference

from other electrical appliances.

8. Warning Information

See warning information in separate safety instructions booklet

Type of Main Speaker Monitor Reference

Series Product Crossover Control Setting

Small stand-mount/

bookshelf speaker MR1/ MR2 60-100 Hz

Floor Standing Speaker MR4/ MR6 40 - 80 Hz

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Monitor Reference Series8

9. Power Switch

The Mains Power Switch should be switched to the ‘Off’ position when the MRW-10 will not

be used for extended periods. The switch must be in the ‘On’ position for the subwoofer

to function.

WARNING: Due to the mains switch being located on the rear panel, the apparatus must be

located in the open area with no obstructions to access the mains switch.

10. IEC Mains Power Connector/ Fuse Location

The MRW-10 is supplied with a two-pin mains input socket for connection to the mains

supply. Use ONLY the appropriate IEC mains lead provided with the product. Also ﬁtted is

an external mains fuse. If this fuse blows during operation a spare fuse is provided within

the fuse holder for replacement. If you wish to change the fuse, you can do this by removing

the IEC mains lead and carefully levering out the original fuse from its holder below the

IEC mains input socket (10a). If the fuse blows again it is advisable to seek help from an

authorised service agent. DO NOT attempt to re-ﬁt a further fuse as this could result in

serious damage to the ampliﬁer unit.

11. Mains Voltage Selector

This is factory set to your country’s mains voltage speciﬁcation. Do not attempt to adjust this

as this may lead to permanent damage to the product and even the risk of ﬁre. There is a

clear plastic cover over the selector to prevent accidental adjustment.

POSITIONING / INITIAL SET UP OF MRW-10

Leave the subwoofer unplugged from the mains until the installation procedure is

completed. The subwoofer should now be sited in the most suitable position. If placed in a

corner of the room there may be excessive bass ‘boom’. Once a desirable position is achieved

it is important to check if the cables are long enough to reach comfortably without being under

tension. The optimal control settings will depend entirely on your system conﬁguration. For initial

trials set the controls as follows:

Volume Control Should be set to minimum

Frequency Control Should be set to the 12 o’clock position

Phase Control Should be set to zero degrees

Power Mode Switch Should be set to ‘On’

By Pass Filter Switch Should be set to the ‘On’ for AV and ‘Off’ for 2

channel listening.

Input connections can be made at this stage before the power is connected to the subwoofer.

Never connect or disconnect any leads with the subwoofer connected to

the mains.

Monitor Ref Manual Rev1.2.indd 8 30/03/2012 10:37:42

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