Monitor Audio Radius 45 Manuale utente

Contents Page

Contents/ Introduction/ Safety Instructions 1

Radius 45 2

Radius 90 3

Radius 180 4

Radius 45/90/180 Wall Bracket Fixing 5

Radius 225 6

Radius 250 7

Radius 225/250Wall Bracket Fixing Instructions 8

Radius 270 9

Radius 360 & Radius 720 10

Fine Tuning & Trouble Shooting the Radius 360 & 720 13

System Wiring Configurations 14

Ancillary Equipment/ Guarantee & Service 15

Claims Under this Guarantee 16

Introduction

Congratulations on purchasing Monitor Audio loudspeakers. We are confident they

will provide a reliable, high performance sound for many years as only quality

components have been used throughout.

Monitor Audio are a highly respected member of the ‘Guild of Master Craftsmen’

with over 30 years of experience in the art of traditional wood working techniques

and leading edge drive unit technology. This blend of experience and technology

brings you the Radius Series.

Please follow this user manual carefully as it contains important information about

positioning and set up procedures. For further advanced information on system

set-up, FAQ’s and multi-lingual support please refer to our website at:

www.monitoraudio.co.uk

Safety Instructions

1. Water & Moisture: The loudspeaker should not be used near water - for

example; bathtub, washbowl, kitchen sink, and washing machine, in a wet

basement or near a swimming pool. Under no circumstance should plants or fish

bowls be placed on the loudspeaker

2. Heat: The loudspeaker should not be placed near any heat source such as

radiators, open fires, stoves, direct sunlight and any other appliance that produces

heat.

3. Cleaning: Great care and attention has gone into the materials chosen to

produce the Radius loudspeakers. A gentle wipe with a dry, clean cloth is all that is

required to remove any dust. Treat them as you would a fine piece of furniture

because that is how they have been designed.

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling Full

Range

(R.M.S)

System

Power

Handling

(R.M.S)

Recommended

Amplifier

Requirements

120 Hz –

22 KHz 8Ω87dB 101dBA 25W 50W 5-25 W

Bass

Alignment Drive U

nit

Complement Bass

Drive unit

Complement

Tweeter

External

Dimensions

(cm)

Weight Kg

(each)

Sealed

Cabinet

1 x 3” MMP 2 (Second

generation metal matrix

polymer)

1 x 20mm C-

CAM gold dome

tweeter. Rear

firing.

9.5 H x 9.5 W

x 9.5 D 0.95

Technical Specification

Positioning

The Radius 45 can be positioned on a shelf by fitting the rubber feet provided to

the underside of the speaker to stop vibrations. Alternatively, you can choose to fix

the Radius 45 to a wall by using the high-quality metal alloy wall bracket provided.

A specially designed Floor Stand can be purchased from your local authorised

Monitor Audio dealer for placement in free space (available soon). To fix your

speaker to the wall when using the wall bracket, please refer to the ‘Wall Bracket

Fixing Instructions’ in the wall bracket carton.

Configuration

The uniquely designed, ultra compact Radius 45 has been primarily designed as a

satellite speaker for use in a multi-channel audio or video system. Combined with

the Radius 360/720 subwoofer, the Radius 45 forms an extremely discreet system

that can be wall or stand mounted to fit in with a modern lifestyle environment. The

rear firing gold C-CAM tweeter is able to spread the sound around the room to

create a wide sound-stage, giving the apparent performance of a much larger

speaker system. Please refer to the section; ‘System Wiring Configurations’ on

page 14. NOTE: When used with an A/V receiver amplifier or processor the

speaker setting should be set to ‘small’ and the crossover frequency set to 120Hz.

If the receiver only has a 80/100 Hz setting it must be noted that the overall power

handling and maximum sound pressure level will be reduced.

NOTE: The Radius 45 is fitted with a PTC device. This protects the drive unit and

tweeter from being over driven. The PTC is a thermal device. When too much

current is passed through it, it gets hot and trips out. If the sound should suddenly

cut out, please turn your system off and allow the PTC to cool down. After a short

while you can then turn your system back on again. If the PTC does trip, turn the

volume down slightly to help prevent it happening again.

Grille Fitment

To help the Radius 45 fit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 45) as standard. You will

find the spare grille enclosed within the polystyrene packaging end caps.

If you wish to change the grille colour, you can do this by carefully removing the

grille, using your fingers to gradually pull the existing grille off the cabinet. To fit a

grille, ensure the badge is correctly orientated and gently press the grille into place.

Positioning

The Radius 90 can be positioned on a shelf by fitting the rubber feet provided to

the underside of the speaker to stop vibrations. Alternatively, you can choose to fix

the Radius 90 to a wall by using the high-quality metal alloy wall bracket provided,

or by purchasing the specially designed bespoke Radius Floor Stand from your

local authorised Monitor Audio dealer. To fix your speaker to the wall, please refer

to the ‘Wall Bracket Fixing Instructions’ in the wall bracket carton. When using the

wall bracket, we do not recommend connecting the loudspeaker using 4mm plugs

into the ends of the terminals. Instead the connection can be made by unscrewing

the terminal cap and using the through hole. The terminal cap can be retightened

to provide a secure connection.

Configuration

The Radius 90 is extremely versatile and can be used in a number of system

configurations. It is fully magnetically shielded and can be positioned as close to a

TV as you wish. On it’s own it can be used in a two-channel stereo system for use

in a small room, or to provide background music in a kitchen or bedroom.

Alternatively the Radius 90 can be used as part of a Home Theatre system or

multi-channel audio set-up. The Radius 360 or 720 subwoofers can be used with

the Radius 90 to provide deep, powerful bass. Please refer to the section; ‘System

Wiring Configurations’ on page 14.

Grille Fitment

To help the Radius 90 fit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 90) as standard. You will

find the spare grilles enclosed within the polystyrene packaging end caps.

If you wish to change the grille colour, you can do this by carefully removing the

grille, using your fingers to gradually pull the existing grille off the cabinet. To fit a

grille, ensure the badge is correctly orientated and gently press the grille into place.

Technical Specification

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling Full

Range

(R.M.S)

System

Power

Handling

(R.M.S)

Recommended

Amplifier

Requirements

85 Hz –

25 KHz 8Ω87dB 105dBA 60W 100W 10-100 W

Bass

Alignment Drive Unit

Complement Bass

Drive unit

Complement

Tweeter

External

Dimensions

(cm)

Weight Kg

(each)

Rear

ported

bass reflex

1x 4” MMP 2 (Second

generation metal matrix

polymer)

1 x 25mm C-

CAM gold

dome tweeter

19 H x 12 W

x 14 D 2

Positioning

The Radius 180 can be positioned vertically (portrait) or horizontally (landscape).

The Radius 180 can be positioned on a shelf by fitting the rubber feet provided to

the underside of the speaker to stop vibrations. Alternatively, you can choose to fix

the Radius 180 to a wall by using the high-quality metal alloy wall bracket provided,

or by purchasing the specially designed bespoke Radius Floor Stand from you

local authorised Monitor Audio dealer. To fix your speaker to the wall, please refer

to the ‘Wall Bracket Fixing Instructions’ in the wall bracket carton. When using the

wall bracket, we do not recommend connecting the loudspeaker using 4mm plugs

into the ends of the terminals. The connection can be made by unscrewing the

terminal cap and using the through hole. The terminal cap can be retightened to

provide a secure connection.

Configuration

The Radius 180 is extremely versatile and can be used in a number of system

configurations. It is fully magnetically shielded and can be positioned as close to a

TV as you wish. On it’s own it can be used in a two-channel stereo system as part

of a multi-channel audio/ Home Theatre system. The Radius 360 or 720

subwoofers can be used with the Radius 180 to provide deep, powerful bass.

Please refer to the section; ‘System wiring configurations’ on page 14.

Grille Fitment

To help the Radius 180 fit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 180) as standard. You

will find the spare grilles enclosed within the polystyrene packaging end caps.

If you wish to change the grille colour, you can do this by carefully removing the

grille using your fingers to gradually pull the existing grille off the cabinet. To fit a

grille, ensure the badge is correctly orientated and gently press the grille into place.

Technical S

pecification

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling Full

Range

(R.M.S)

System

Power

Handling

(R.M.S)

Recommended

Amplifier

Requirements

60 Hz –

25 KHz 8Ω87dB 105dBA 60W 100W 10-100 W

Bass

Alignment Drive Unit

Complement Bass

Drive Unit

Complement

Tweeter

External

Dimensions

(cm)

Weight Kg

(each)

Front

ported

bass reflex

1x 4” MMP 2 (Second

generation metal matrix

polymer)

1 x 25mm C-

CAM gold

dome tweeter

35 H x 12 W

x 9.5 D 2.3

Radius 45/90/180 Wall Bracket

WARNING: For safety reasons do not attempt to fix these speakers to your wall

if you are unsure of your ability to provide a secure and safe fixing. You will need to

determine where to fit the bracket and the structure of the wall. If unsure, please

obtain the services of a competent qualified tradesperson.

WARNING: Ensure that there are no water pipes, or electricity cables running

behind where the wall bracket is going to be secured. Work from secure steps and

avoid trailing wires.

To fix your radius product to it’s bespoke wall bracket please refer to the fixing

instructions found in the Wall Bracket Carton. These instructions give a well

detailed approach on fixing the bracket. A template is also provided for assistance.

Positioning

The Radius 225 can be positioned vertically (portrait) or horizontally (landscape)

and has been designed ideally to be used with a plasma TV or in places where

space is at a premium. The Radius 225 can be positioned on our bespoke table

stand or shelf by fitting the rubber feet provided to the underside of the speaker.

Alternatively you can choose to fix the Radius 225 to a wall by using the high-

quality bespoke wall bracket provided. Please refer to the ‘Radius 225/250 Wall

Bracket Fixing Instructions’on page 8.

Configuration

The Radius 225 is fully magnetically shielded and can be positioned as close to a

TV as you wish, either as a pair in a two-channel stereo system or as part of a

multi-channel audio/ Home Theatre system. The Radius 360 or 720 subwoofers

can be used with the Radius 225 to provide deep, powerful bass. Please refer to

the section; ‘System wiring configurations’ on page 14.

Grille Fitment

To help the Radius 225 fit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 225) as standard. You

will find the spare grille enclosed within the polystyrene packaging trays. We have

also included a spare badge. This is for when the Radius 225 is used as a centre

channel speaker. If you don’t like the factory fitted location of the badge, you can

carefully remove this badge and place the enclosed spare badge in your preferred

location.

If you wish to change the grille colour, you can do this by carefully removing the

grille using your fingers to gradually ease the existing grille off the cabinet. To fit a

grille, gently press the grille into place

Technical Specification

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling Full

Range

(R.M.S)

System

Power

Handling

(R.M.S)

Recommended

Amplifier

Requirements

55 Hz –

25 KHz 8Ω90dB 108dBA 120W 140W 20-120 W

Bass

Alignment Drive Unit

Complement Bass

Drive Unit

Complement

Tweeter

External

Dimensions

(cm)

Weight Kg

(each)

Front

ported

bass reflex

2x 4” MMP 2 (Second

generation metal matrix

polymer)

1 x 25mm C-

CAM gold

dome tweeter

61 H x 12 W

x 10.5 D 4.2

Positioning

The Radius 250 can be positioned vertically (portrait) or horizontally (landscape)

and has been designed ideally to be used with a large plasma TV or in places

where space is at a premium. The Radius 250 can be positioned on our bespoke

table stand, or shelf by fitting the rubber feet provided to the underside of the

speaker. Alternatively you can choose to fix the Radius 250 to a wall by using the

high-quality bespoke wall bracket provided. Please refer to the ‘Radius 225/250

Wall Bracket Fixing Instructions’on page 8.

Configuration

The Radius 250 is fully magnetically shielded and can be positioned as close to a

TV as you wish, either as a pair in a two-channel stereo system or as part of a

multi-channel audio/ Home Theatre system. The Radius 360 or 720 subwoofers

can be used with the Radius 250 to provide deep, powerful bass. Please refer to

the section; ‘System wiring configurations’ on page 14.

Grille Fitment

To help the Radius 250 fit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 250) as standard. You

will find the spare grille enclosed within the polystyrene packaging trays. We have

also included a spare badge. This is for when the Radius 250 is used as a centre

channel speaker. If you don’t like the factory fitted location of the badge, you can

carefully remove this badge and place the enclosed spare badge in your preferred

location.

If you wish to change the grille colour, you can do this by carefully removing the

grille using your fingers to gradually ease the existing grille off the cabinet. To fit a

grille, gently press the grille into place

Technical Specification

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling

Full

Range

(R.M.S)

Recommended

Amplifier

Requirements

50 Hz –

25 KHz 8Ω90dB 108dBA 120W 20-120 W

Bass

Alignment Drive U

nit

Complement Bass

Drive Unit

Complement

Tweeter

External

Dimensions

(cm)

Weight

(each)

Twin, Front

ported bass

reflex

2x 4” MMP 2 (Second

generation metal matrix

polymer)

1 x 25mm C-

CAM gold

dome

tweeter

76 H x 12 W

x 10.5 D 4.3

Radius 225/250 Wall Bracket Fixing Instructions

WARNING: For safety reasons do not attempt to fix these speakers to your wall

if you are unsure of your ability to provide a secure and safe fixing. You will need to

determine where to secure the brackets and the structure of the wall. If unsure,

please obtain the services of a competent qualified tradesperson.

WARNING: Ensure that there are no water pipes, or electricity cables running

behind where the wall bracket is going to be secured. Work from secure steps and

avoid trailing wires.

The Radius 250 is fitted with two ¼ UNC inserts. These can be found under the

factory fitted wall brackets. These inserts have been put in place for use with other

after market wall brackets.

For detailed information on fixing your Radius 225/ 250 to the wall, please refer to

the fixing instruction found in with the Wall Fixing Plate.

Positioning

The Radius 270’sare the only floor standing loudspeaker in the Radius line up.

These excellent performing floor-standers, come ready to play straight out of the

box with stabilizing plinths already attached (we do not recommend that you take

this plinth off). To improve the bass response you can fit the acoustic spikes to the

underside of the plinths. These simply screw in to the remaining four holes in the

bottom of each plinth. Caution must be taken when handling the spikes as they

are very sharp. The Radius 270’sshould be positioned no closer than 2 –2.5

metres apart for optimum sound.

Configuration

The Radius 270’scan be used in a number of system configurations. They are fully

magnetically shielded and can be positioned as close to a TV as you wish. On

their own they can be used in a two-channel stereo system for use in a medium

size room. Alternatively the Radius 270’scan be used as part of a Home Theatre

system or multi-channel audio set-up. The Radius 360 or 720 subwoofers can be

used with the Radius 270’sto provide deep, powerful bass. Please refer to the

section; ‘System Wiring Configurations’ on page 14.

Grille Fitment

To help the Radius 270’sfit into any life-style environment we include a choice of

silver and black grilles (silver and white with white Radius 270’s) as standard. You

will find the spare grilles enclosed within the polystyrene packaging end caps. The

spare grille with the badge should be used on the bottom bass driver of each

cabinet. However this is not essential. You can change them to the mid bass units

if you so wish.

If you wish to change the grille colour, you can do this by carefully removing the

grille, using your fingers to gradually pull the existing grille off the cabinet. To fit a

grille, ensure the badge is correctly orientated and gently press the grille into place.

Frequency

Response Nominal

Impedance Sensitivity

(1w@1m) Maximum

SPL

Power

Handling Full

Range

(R.M.S)

System

Power

Handling

(R.M.S)

Recommended

Amplifier

Requirements

50 Hz –25

KHz 8Ω89dB 107.5dBA 120W 140W 40-140 W

Bass

Alignment Drive Unit

Complement Bass

Drive Unit

Complement

Tweeter

External

Dimensions

(cm)

Weight Kg

(each)

Front

ported

bass reflex

2x 4” MMP 2 (Second

generation metal matrix

polymer)

1 x 25mm C-

CAM gold

dome tweeter

92.5 H (inc

Plinth) x 12 W

x 14 D

Plinth: 18.5 x

18.5

Technical Specification

Unpacking & Installation

WARNING: The Radius 720 is very heavy, and we recommend this being a two

person lift only.

Remove the clear plastic, bass driver transit protection disk(s). It is important to

position the subwoofer initially to have easy access to the control panel. Make sure

all your cables will reach easily and leave the Radius 360/720 unplugged from the

mains electricity supply, until the installation and initial set-up procedure is

complete.

The optimal control settings will ultimately depend entirely on your system

configuration. For initial trials set the controls as follows:

Volume - Should be set to the minimum position.

Frequency - Should be set to approximately 100 Hz.

Phase - Should be set initial to 0 degrees.

Mode (R360 only) - If you are setting your system up as two channel, set the

mode switch in “music” mode. If you are installing a predominately home cinema

system it may be more effective to set mode switch to “movies” position.

Crossover/LFE (R720 only) –If your subwoofer is being used with a stereo

integrated/pre/power amplifier, this should be set to ‘crossover’. If your subwoofer

is being used with an AV amp/receiver with a dedicated subwoofer output, this

should be set to ‘LFE.’.

WARNING: Do not adjust the main voltage selector, as this is factory pre-set.

Position/Location

Your Radius 360/720 Subwoofer is magnetically shielded and can be located in

close proximity to a T.V. No matter where you place your Radius 360/720, you

must allow sufficient spacing for ventilation of the rear panel. We recommend this

distance to be not less than 100mm (4”).

Subwoofer Connections

There are a number of ways to connect your subwoofer into your system. One

uses loudspeaker cables; the other uses interconnect cables with RCA phono

plugs. Looking at the rear panel of your subwoofer you will see two sets of speaker

terminals, one labelled ‘amplifier input’, the other ‘speaker output’, and RCA phono

sockets labelled ‘input’ (right and left).

Please refer to the section; ‘System Wiring Configuration’ on page 14.

If you have a Radius 720, and wish to connect more than one subwoofer, you can

do this by using the RCA phono output connectors on the amplifier to ‘daisy chain’

the subwoofers together.

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