Acoustic Energy Aelite Instructions d'installation

INSTALLATION and OWNERS MANUAL

CUSTOM INSTALL SERIES

Page 1

Thank you for purchasing this Acoustic Energy product. As a valued customer we

would like to keep you up to date with all news and events including new products,

exhibitions and exclusive promotions. To enable us to communicate these exciting

developments please go to our web site - www.acoustic-energy.co.uk - and

complete the ownership registration form.

Perhaps more than any other audio product, speakers are sensitive to installation

so please take a little time to read this manual and to follow, as far as practical, the

installation guidelines it contains. Careful installation will help ensure that your

speakers perform optimally.

This manual covers the Aelite Custom Install Series In-wall and In-ceiling speakers.

Following this introduction, the Manual is divided into sections covering,

positioning, connection, installation and listening, We recommend that you read

at least the first three sections carefully before installing and using your speakers.

Warranty and contact information is provided on the last page.

Speakers are relatively delicate precision engineered products that can be

damaged by inappropriate handling. Please take care when unpacking or handling

the speakers not to touch the drivers. Damage to a driver will at best degrade

performance and at worst result in complete failure.

Introduction 1. In-wall Speaker Positioning

Aelite Custom Install In-wall speakers are intended to be used in either stereo hi-fi,

multi-channel home theatre or high quality distributed audio systems.

The location of speakers within a listening environment is likely to have more

influence over their subjective performance than any other aspect of installation. It

is worth spending some time considering both the finer points of speaker location,

as well as the larger scale issues of room and speaker layout. Almost certainly your

speakers will be used in one of two applications:

• Stereo or home theatre system where the location of speakers relative to

each other is important.

• Utility “background sound” applications where single speakers are used in

isolation to “cover” a specific area or areas.

These two types of application are covered in the paragraphs below.

Aelite Custom Install speakers are magnetically shielded so may be positioned in

relatively close proximity to magnetically sensitive equipment and media.

Stereo and Home Theatre Speaker Positioning

If a pair of speakers is to be used in a conventional stereo audio system, or for the

front channels in a home theatre system, they should be positioned approximately

as follows:

Contents

Page Section

1 1 In-wall Speaker Positioning

3 2 In-ceiling Speaker Positioning

4 3 In-wall and In-ceiling Speaker Connection

5 4 In-wall and In-ceiling Speaker Installation

6 5 Listening

6 6 Warranty

6 7 Contact Acoustic Energy

1. In-wall Speaker Positioning

Page 2

Mono audio is usually preferable in utility applications but if only stereo is available

multiple speakers in the same room or zone should be connected alternately to the

left and right channels.

In choosing locations for the speakers consider the “coverage” required with respect

to the likely listener positions. Try and ensure that coverage is even and that as

listeners move around the environment the sound from one speaker is gradually

“replaced” by the sound from the next nearest speaker. The overall volume should

be relatively constant.

Mounting Clearances

Clearance depth is required behind the speaker aperture and clearance space

is required on the inside surface of the wall on the longer sides of the speaker

aperture.

The minimum depth clearance behind the speaker aperture, measured from the

outer surface of the wall, is 102mm (4 inches). The minimum space along the longer

sides of the speaker aperture is 38mm (1.5 inches). Only nominal clearance is

required on the short sides of the speaker aperture - the speaker frame can butt-up

against internal joists if necessary.

Caution

When cutting apertures in walls or ceilings ensure that pipes and cables are

clear. Ensure also that the structure of the walls will safely carry the weight of

the speakers. If you are unsure about any aspect of installation you should seek

professional advice and assistance.

Introduction 1. In-wall Speaker Positioning

2.0 - 3.0m

Left and right

speakers at

screen height.

Centre speaker in

landscape orientation

below screen.

Diagram One

Surround

speaker above

head height.

Duplicate on

opposite wall.

Subwoofer

• Between 2.0 and 3.0 metres apart (either side of the

screen in home theatre systems).

• In portrait orientation.

• Clear of corners.

• Angled inward towards the listening position.

• Slightly above, listening head-height (and around

screen height in home theatre systems).

If a speaker is unavoidably positioned close to a corner

and consequently generates too much bass this

may be reduced by connecting it via the Boundary

Compensation input. See Section 3.

If a speaker is to be used for the centre channel

in a home theatre system it should be positioned

approximately as follows:

• Directly above or below the display screen.

• In portrait orientation (Aelite 155 Ci).

• In landscape orientation (Aelite 255 Ci)

If two or more speakers are to be used for the surround

channels in a home theatre system they should be

positioned approximately as follows:

• In-line with and behind (in 7.1 systems) the

listening position.

• At least 0.5m above listening head height.

• In portrait orientation.

Diagram One illustrates general home-theatre in-wall

speaker positioning.

Don’t worry if, thanks to the architecture

or layout of your room, it is not practical

to follow each requirement exactly. The

most important thing is to consider the

practical option and identify the one that

is likely to work best.

Utility Speaker Positioning

If your Aelite Custom Install speakers are

to be used as multiple “utility” speakers in

an environment where the intention is to

provide background music they should

be equally distributed throughout the

space and mounted at or just above head

height.

1. In-wall Speaker Positioning

Page 3

2. In-ceiling Speaker Positioning

Aelite Custom Install In-ceiling speakers are intended to be used in high quality

distributed audio systems or as surround speakers in home-theatre systems.

The location of speakers within a listening environment is likely to have more

influence over their subjective performance than any other aspect of installation. It

is worth spending some time considering both the finer points of speaker location,

as well as the larger scale issues of room and speaker layout.

Almost certainly your speakers will be used in one of two applications:

• As surround speakers in a Home theatre system where the location of

speakers relative to each other is important.

• In utility “background sound” applications where single speakers are used

in isolation to “cover” a specific area or areas.

These two types of application are covered in the paragraphs below.

Aelite Custom Install speakers are magnetically shielded so may be positioned in

relatively close proximity to magnetically sensitive equipment and media.

Home Theatre Speaker Positioning

If two or more speakers are to be used for the surround channels in a home theatre

system they should be positioned approximately as follows:

• In-line with and behind (in 7.1 systems) the listening position.

• All approximately equidistant from the listening position.

• A minimum of 1.5m from the listening position but at least 0.5m away from

walls.

Utility Speaker Positioning

If your Aelite Custom Install In-ceiling speakers are to be used as multiple “utility”

speakers in an environment where the intention is to provide background music

they should be equally distributed throughout the space. In-ceiling speakers should

be kept a minimum of 0.5m away from walls.

Mono audio is usually preferable in utility applications but if only stereo is available

multiple speakers in the same room or zone should be connected alternately to the

left and right channels.

In choosing locations for the speakers consider the “coverage” required with respect

to the likely listener positions. Try and ensure that coverage is even and that as

listeners move around the environment the sound from one speaker is gradually

“replaced” by the sound from the next nearest speaker. The overall volume should

be relatively constant.

Mounting Clearances

Clearance depth is required behind the speaker aperture

and clearance space is required on the inside surface of

the ceiling around the speaker aperture.

The minimum depth clearance behind the speaker

aperture, measured from the outer surface of the ceiling,

is 102mm to 153mm (4 to 6 inches) depending on the

specific speaker model. The minimum space around the

speaker aperture is 38mm (1.5 inches).

Caution

When cutting apertures in walls or ceilings ensure that

pipes and cables are clear. Ensure also that the structure

of the walls will safely carry the weight of the speakers.

If you are unsure about any aspect of installation you

should seek professional advice and assistance.

3. In-wall and In-ceiling Speaker Connection

Page 4

2. In-ceiling Speaker Positioning 3. In-wall and In-ceiling Speaker Connection

Connecting Aelite Custom Install speakers to an amplifier is fundamentally a simple

process. However, there are some choices to be made and issues to consider

concerning speaker cable type. Each speaker is fitted with spring connection

terminals designed to accept stripped wires.

Three terminals are fitted to Aelite Custom Install In-wall speakers: negative,

positive and an alternative positive that offers a Boundary Compensation

response designed to reduce any excessive bass output that may occur if a speaker

is unavoidably installed too close to a corner. Identification of the terminals is

illustrated in Diagram Two below.

Two terminals are fitted to Aelite Custom Install In-ceiling speakers: negative and

positive.

To connect the speakers simply push the top of the terminal down, insert the

stripped wire into the hole and release the terminal.

Take care not to connect any negative and positive terminals together and “short-

circuit” the amplifier. Always make connections with the amplifier switched off.

Connection Polarity.

It is important to ensure that each speaker is connected with the same polarity.

Positive speaker terminals should always be connected back to amplifier positive

terminals, and negative speaker terminals connected back to amplifier negative

terminals. Performance will be degraded if connections are made with incorrect

polarity.

Cable Choice.

Choice of speaker cable type will be influenced by the

characteristics of other components in your system and

your dealer or distributor will be able to advise. There

are however some simple guidelines to consider:

• Cable runs to each speaker should be kept as

short as possible.

• Short cable runs are especially important if the

cable is of relatively small cross-sectional-area.

• If the cable is advertised as “directional” care

should be taken to ensure that its orientation is as

recommended.

Amplifiers

Aelite Custom Install speakers are relatively high

sensitivity speakers that do not require generously

rated power amplifiers for adequate volume levels to be

achieved in an average listening room. A minimum of

25 and maximum of 120 Watts into 8 Ohms per channel

is recommended. They also offer a relatively easy load

to the amplifier and do not make unusually heavy

demands on its power delivery.

No overload protection systems are fitted to Aelite

Custom Install speakers so it is possible to cause

damage through over-driving. Such damage can occur

regardless of the power rating of the driving amplifier

and is not covered by any warranty. If ever the sound at

high volumes becomes distorted your speakers are at

risk of damage. In such circumstances the volume must

be reduced.

Connect negative

Connect positive

Connect Boundary Compensation

positive for reduced LF

Diagram Two

Page 5

4. In-wall and In-ceiling Speaker Installation

Once you have decided on the positions of each

speaker and established the location of joists, cables or

pipes, use the Cut-out Template included in the pack

to mark out the speaker apertures (remember that the

speaker frame is bigger than the marked hole). Take

care when installing the speakers not to touch the

driver units.

To cut and prepare speaker apertures proceed as

follows:

• Drill a hole at the centre and check using a piece of

wire that the appropriate clearances are available.

• Mark the cut-line and cut the aperture along the

line using the appropriate tools. Clear any loose

debris away

• Run the speaker cable you have chosen to use and

prepare the ends for connection to the speaker.

Acoustic performance can be improved by placing

insulation material in the cavity but leaving clear the

area directly behind the speaker.

Sound Coverage Adjustment

In order to provide some adjustment of sound coverage

in the listening room, Aelite Custom Install In-Wall

speaker driver panels may be angled about the long

axis by ±7°. To adjust the angle push on one side of the

driver panel until it is angled appropriately. Take care

not to touch the drivers while adjusting the angle.

The high-frequency drivers in Aelite Custom Install

In-ceiling speakers can be angled in order to direct

the sound coverage towards a specific area. To angle a

driver hold it firmly around its outer frame and gently

tilt it appropriately. Take great care not to touch the

driver’s central dome diaphragm.

Painting

Aelite Custom Install speaker outer frames and grilles

may be painted to match interior design schemes using

matt emulsion paint. No primer coat is necessary. Use

two light coats applied with brush or spray. Use the

supplied painting mask when painting the outer frame.

Do not paint grilles while they are fitted and take care

that a significant number of grille perforations do not

become blocked. Remove the logo badge and the

“scrim” cloth attached to the back of the grilles (do not paint the back of the grille).

Use the wax paper sheet to protect the scrim.

When the paint is dry replace the scrim cloth by pressing it in to place on the back

of the grille. Fit (or refit) the grille by aligning it with its retaining groove and gently

pushing-in from its edges. The logo badge can be repositioned to suit.

IR Control

An Infra-Red receiver access hole is provided on the front panel of Aelite Custom

Install In-Wall speakers behind the grille. As supplied, the access hole is closed-off

with a plug. If an IR receiver is to be used, remove the plug by gently pushing it

from the back.

Installing a Speaker

With the aperture cut and prepared the speaker can be fixed in the wall or ceiling.

Remember to connect the speaker cable before installing the speaker.

If the speaker grille is fitted (they are shipped with grilles removed) remove it by

pulling gently from its edges. Also remove the wax paper sheet and paint mask

Diagram Three

Fixing clamp

access hole

4. In-wall and In-ceiling Speaker Installation

Insulation material

within cavity

Page 6

4. In-wall and In-ceiling Speaker Installation 4. In-wall and In-ceiling Speaker Installation

Before using your Aelite Custom Install speakers for the first time make one

final check of the cables and connections. If all appears well begin listening at

a relatively low level to confirm that the system is operating as expected. Only

increase the volume if you are happy with the sound at low levels. If you are

unhappy, turn the system off and re-check all the cables and connections.

The speakers may take a little time to reach normal operating temperatures

and to “run-in”. It is unwise therefore to make too rapid a judgement about the

performance of the monitors. Your ears too will take some time to adjust to the

new sound so revisiting the speaker installation is best left for a few days.

Your Acoustic Energy speakers are guaranteed against original defects in materials,

manufacture and workmanship for 3 years from the date of purchase.

Under this warranty Acoustic Energy agrees to repair any defect or, at the

company’s discretion, replace the faulty component(s) without charge for parts

or labour. This warranty does not imply any acceptance by Acoustic Energy or its

agents for consequential loss or damage and specifically excludes fair wear and

tear, accident, misuse or unauthorised modification.

This warranty is applicable in the United Kingdom only and does not in any way

limit the customer’s legal rights. If you have reason to claim under the warranty

please contact your dealer in the first instance

Claims and enquiries under the warranty for Acoustic Energy products purchased

outside the UK should be addressed to the local importers or distributors.

Please retain all original packaging materials for possible future use.

For any sales, technical or spares enquiries contact your local dealer or distributor

first.

Products that display the crossed-out wheeled bin

logo cannot be disposed of as domestic waste

but must be taken to a facility capable of re-

cycling them and appropriately handling

any waste by-products. Contact your local

authority for details of the nearest such facility.

7. Contact

Acoustic Energy Limited

16 Bridge Road

Cirencester

Gloucestershire GL7 1NJ

Tel: +44 (0)1285 654432 (Sales)

+44 (0)1285 656890 (Technical)

Fax: +44 (0)1285 654430

Email: info@acoustic-energy.co.uk

Web: www.acoustic-energy.co.uk

6. Warranty

5. Listening

from inside the grille. To insert and secure a speaker in a

wall or ceiling proceed as described following. Diagram

Three illustrates an Aelite 255 Ci in-wall speaker offered-

up to a wall aperture.

• Ensuring that the fixing clamps are lying flush

against the sides of the speaker, offer the speaker up to

the aperture and hold it in place so that any clearance is

distributed approximately equally around the aperture.

• Using a No. 2 Pozidriv screwdriver via the access holes tighten the four or

six fixing clamps in turn. As the screws begin to tighten the fixing clamps will turn

outwards and begin to make contact with the rear of the wall or ceiling. Tighten

just enough to pull the speaker solidly and securely in contact around its entire

perimeter. Do not over-tighten and Do not use a power driver or drill.

• Fit the grille by aligning it with its retaining groove and gently pushing from

its edges. The logo badge is removable and can be repositioned to suit.

Acoustic Energy Limited, 16 Bridge Road, Cirencester, Gloucestershire GL7 1NJ.

Tel: +44 (0)1285 654432 (Sales), +44 (0)1285 656890 (Technical). Fax: +44 (0)1285 654430

Email: [email protected]o.uk

Web: www.acoustic-energy.co.uk

Manual Part No. MA3101

CUSTOM INSTALL SERIES

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