Amina BackboxSW345 Manuale utente

Installation Guide BackboxSW

V1.4 July 2013 345/300/200

Caution: Read before installing this product

To ensure correct installation, please read this

guide carefully and keep in a safe place for

future reference.

Install this product in a cool, dry, clean place -

away from direct sunlight and heat sources,

vibration, chemical fumes, dust and moisture

(steam).

Do not clean this product with chemical

solvents as this may cause damage to the

finish. Use a clean, dry or damp cloth.

Ensure that all installation mounting surfaces

are able to support the weight of the

BackboxSW with that of your chosen

speaker.

Do not attempt to modify or repair the

product. Contact your distributor or

manufacturer if it is faulty or damaged in any

wa y.

ENVIRONMENTAL:

Please be aware that whilst this product reduces the rearward sound output of the loudspeaker some

vibrational energy may still travel some considerable distance up, down and along the wall or ceiling

structure. It is therefore recommended the product be fitted in conjunction with vibration absorbing

materials to minimise these effects.

WARNING:

No attempt should be made to install this product within existing building structures unless you are certain

that no electric cables, water pipes, gas pipes or supporting joists will be cut through.

Contents

Packaging / Introduction / Overview

Installation steps 1 + 2

Installation steps 3, 4 + 5

Alignment for feathered skim

Alignment for patch plastering

Alignment for full wet skim

Further details

Warranty, copyright, contact information

Packaging

Introduction

Overview

Thank you for purchasing the Amina Technologies BackboxSW. This product has been designed for the

installation of Amina Series Invisible Loudspeakers into solid (eg. brick, concrete) walls and ceilings.

Constructed from zintec steel, the BackboxSW is rugged enough to be installed early in the build

process.

Installation is simple however, please follow this guide carefully as it contains important advice on

speaker alignment for plastering and reducing structural energy transference.

CAUTION:

Take care when removing the BackboxSW from the carton.

The packaging for the BackboxSW has been carefully designed to protect the product during transit.

Please retain it in the unlikely event you need to return the product to your dealer or manufacturer.

Please recycle the packaging should you wish to dispose of it.

The BackboxSW outer carton is made up of 80% recycled single wall board.

Rubber grommets

Backbox mounting slots

Speaker mounting tabs

Part Numbers

BackboxSW345 - Evolution Series

BackboxSW300 - iQ Series/ LFieT Series

BackboxSW200 - Evolution “S200” models and AIW750E - HF Panel

BackboxSW installation

Create aperture in brickwork / concrete

Check which version of the BackboxSW you

have before following this section.

Create 460mm x 205mm (18.1” x 8.1“)

aperture. (SW200)

Create 460mm x 305mm (18.1” x 12“)

aperture. (SW300)

Create 460mm x 450mm (18.1” x 13.8“)

aperture. (SW345)

Using the combination of an angle grinder

and a jackhammer drill, create a cavity within

the brickwork.

Before installing the BackboxSW you will

need to know the thickness of render that will

be applied to the wall/ceiling prior to the

finish plaster skim.

Minus this thickness from 50mm (2”) to

calculate the minimum cavity depth you will

need to create in order for the BackboxSW

to fit.

Create channel for cable

Using an angle grinder or hammer and

chisel, create a channel that runs into the

cavity. This will allow the speaker cable to be

pulled into a suitable position within the

cavity.

We recommend the cable is run in a suitable

conduit to protect it.

Leave enough cable slack to allow

connection to the speaker when it is held

away from the cavity.

Fitting the BackboxSW

rendered wall

no render

BackboxSW installation continued...

Install BackboxSW

Make a small hole in one of the rubber

grommets and pull the speaker cable

through it and into the BackboxSW. There are

four slots in the base of the BackboxSW and

using suitable screws (not supplied), fix the

BackboxSW to the brickwork/concrete within

the cavity. Ensure the front edge of the

BackboxSW aligns flush with the front face of

the surface which will be plaster skimmed.

Shims may be fitted behind the BackboxSW

to achieve a level solid fixing.

It is recommended to add sound absorbing

mineral wool (1” maximum thickness) to the

inside of the BackboxSW and expanding

foam around the sides to prevent resonance.

NB: If there is a layer of render to be applied

or already applied to the brickwork, be sure

to align the front edge of the BackboxSW to

the front edge of the render (as shown in the

lower section of the image)

Fixing the speaker to the BackboxSW

Once the speaker has been electrically

connected it can now be fixed to the

BackboxSW.

Remove the backing paper from the 6

adhesive pads on the speaker mounting tabs

and carefully position the speaker onto the

mounting tabs then apply moderate pressure.

There should be an equal perimeter gap

between the BackboxSW and the edge of the

speaker.

Use the flange head screws (supplied with

the BackboxSW) to fix the corners of the

speaker to the four corner mounting tabs.

Testing and plastering

Speaker testing should always be done

before plastering. Please refer to the

loudspeaker’s installation guide for testing

information and for details on how to plaster

your loudspeaker after you have installed the

BackboxSW.

Mineral Wool

Expanding foam

Top View

This method positions the speaker for a large

area (approx. 1m2(39”)) to be skimmed over

it. This 2mm (5/64”) thick skim is then

feathered outward at the edges and blended

into the existing wall/ceiling finish.

Retrofit / pre-skimmed solid wall

Feathered skim finish

Backbox alignment required for plastering

Use shims between the back of the

BackboxSW and the inside of the cavity to

align the front edge of the BackboxSW with

the front face of the finished wall.

existing render

and plaster skim

shims

For solid walls /ceilings that have already been

plastered and painted.

Alignment and plastering preparation

Retrofit / pre-skimmed solid wall

Patch plaster finish (alternative to feathered skim)

Backbox alignment required for plastering

Use shims between the back of the

BackboxSW and the inside of the cavity to

align the front edge of the BackboxSW with

the front face of the base render. This should

be no more than 2mm (5/64”) behind the

finished plaster surface.

shims

For solid walls /ceilings that have already been

plastered and painted.

30-50mm

3/16 - 2”

sand down to

create taper

remove existing

plaster from

render

This method positions the speaker to be

patch plastered with a 2mm (5/64”) skim

across the speaker front and blended with

the existing plaster.

Amina recommend British Gypsum Easi-fill®

which allows a smooth accurate finish using

fine sandpaper or a wet sponge.

existing render

existing plaster skim

New Build / new solid wall

Full wet skim finish

Backbox alignment required for plastering

Use shims between the back of the

BackboxSW and the inside of the cavity to

align the front edge of the BackboxSW with

face of the rendered wall. Render coat

shims

This method allows the speaker to be skim

plastered over during the process of the

entire wall/ceiling being plastered - 2mm

maximum.

For solid walls /ceilings that have already been

rendered but not yet plaster skimmed.

Further details

Removal

In the unlikely event of a problem developing with the product, or you simply wish to remove the item

to change its location, please refer to the following guidelines:

Locate the speaker by tapping the wall or ceiling listening for a hollow sound compared to the rest of

the wall/ceiling. Then, with a sharp chisel or decorator’s scraper, carefully chip into the plaster to expose

a small area of the panel surface. To ensure you do not damage the panel, hold the tool at an acute

angle to the wall or ceiling.

Now, holding the scraper almost parallel to the panel surface, work outwards towards the product’s

edge easing the plaster away from the panel. Do not worry if the panel surface receives marks or

indented scratches during this process (it should not, however, have holes entering through to the

unique honeycomb panel). Once the product is plastered back into its original or new location, the new

skim of plaster will cover all these imperfections and the speakers performance will not be unduly

affected.

Clear the surface plaster material from the surrounding area of wall or ceiling to expose all the joint

tape and subsequently remove it. Use a narrow chisel or flat blade screwdriver to remove the plaster

and expose the screws at each corner of the speaker. Using a suitable screwdriver, remove the four

screws and then ease the speaker from the wall or ceiling and disconnect the speaker cable.

Next locate the screws fixing the BackboxSW to the wall/ceiling and carefully remove them. Cut away

any expanding foam from around the sides of the BackboxSW with a sharp knife and pull the

BackboxSW out of the cavity.

If any products become damaged when removing, please return them to Amina Technologies Ltd

where the product can be repaired or replaced.

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