Atlantic Technology IW-155SR User manual

Instruction Manual

IW-155SR

High Performance In-Wall

Surround Speakers

DIPOLE

BIPOLE

IW-155SR

IW-155SR High Performance In-Wall Surround Speakers

Table of Contents

duplicated or reproduced by any means, whether physical, electronic or otherwise without prior written consent

from Atlantic Technology International, Corp.

Atlantic Technology and the Atlantic Technology logo are registered trademarks of Atlantic Technology Inter-

national, Corp. THX is a trademark of THX Inc. Dolby Digital 5.1, Dolby Digital 7.1, Dolby Atmos, and Dolby

Pro Logic are trademarks of Dolby Laboratories Licensing Corporation. DTS is a registered trademark of DTS

Technology.

Specications are those in eect at the time of printing. As part of our ongoing program of continuous product

improvement, Atlantic Technology reserves the right to change specications or appearance at any time without

notice or obligation to modify existing product.

Table of Contents

3 Unpacking the Speakers

3 Speaker Description

4 Speaker Placement

5IW-155SR as a Side Surround and Rear Speakers in Dolby Digital 7.1 System

6 Speaker Installation

6 Installation of the IW-155SR in New Construction with Optional New

Construction Bracket

6 Installation of the IW-155SR in Existing Construction

7 Removing and Installing the Grille

7 Painting the Grille and Frame

8 Cutting the Opening

8 Connecting the IW-155SR to Your System

8 Speaker Connection

9 Installing the Speaker Assembly

9 Speaker Setup

9Dipole/Bipole Operation of IW-155SR

10 Tweeter Positioning

10 IR Knockout

10 Specications

11 Warranty

12 Warranty

For Future Reference

Record the serial number and date of purchase for each speaker here. e serial number is found on the speaker

terminal panel on the back of the enclosure.

Serial Number

Date of Purchase

Instruction Manual

Unpacking Speakers

IW-155SR

High Performance In-Wall Surround Speakers

ank you for choosing Atlantic Technology. e IW-155SR speaker is precision-craed to

give you years of enjoyable, trouble-free service. is manual will show you how to incorpo-

rate your new speaker into your present setup, as well as how to assemble a complete sys-

tem. e IW-155SR can be used with all current and past surround sound formats including

Dolby Surround®, Dolby Pro Logic®, Dolby Digital 5.1®, Dolby Digital 7.1®, Dolby Atmos ®,

DTS®, DTS ES®, DTS ES Discrete®, DTS Neo:6®, DVD-Audio, Auro 3D and SACD Audio.

IMPORTANT:

Although it may seem like asking for driving directions, please take a few

moments to read all of this booklet. It has many helpful tips and ideas on properly setting

up and using your system. We promise that if you take the time to read and follow these

tips you’ll get better system performance and more enjoyment.

Unpacking the Speakers

Use care when unpacking the speaker. Remember to save all packing materials until you

are certain that the speaker has suered no damage in shipment. If you nd such damage,

either visible or internal, contact your dealer immediately.

If you can do so, save the carton, packing pieces, and plastic bags that came with your

speakers. ey will be useful if you move or have to ship your loudspeaker for any reason.

Speaker Description

e IW-155SR is a thin-bezel in-wall surround speaker that delivers spacious, enveloping

surround eects for top grade home theater systems. It features an innovative dual-concen-

tric driver design capable of lling the listening area with either three-dimensional ambient

sound or object-based positional audio essential for lifelike theater sound.

e IW-155SR consists of dual 5.25” woofers and dual concentric 1” silk dome tweeters

mounted in a resonant-free MDF bae. e speaker is a switchable dipole/bipole design;

that is, the two sets of drivers can either be set for out-of-phase (dipole) operation, ideal for

a diuse, non-localizable sound, or set for in-phase (bipole) operation, for a more direct,

localizable eect, perfectly suited for object-based audio formats such as Dolby Atmos.

Either mode will ll a large home listening area with dramatic surround eects. e thin

bezel grille is magnetically attached to the frame and can be easily painted to match virtu-

ally any décor.

IW-155SR High Performance In-Wall Surround Speakers

Speaker Placement

e IW-155SR should be installed horizontally with the tweeters pointing to sides and the

IR knock out (round Atlantic Technology logo in the corner) should be facing the front

of the room to keep proper phase with the front channel speakers. is is for both Dipole

and Bipole switch settings.

Speaker Placement

When using the IW-155SR as a side channel surround speaker in a 5.1 or 7.1 home theater,

the speaker should be installed directly to the sides of the seating area and no more than

1-2 feet above the listener’s ear level. (see diagram)

When using the IW-155SR as a rear channel in a 7.1 home theater, divide the back wall into

thirds and install the speakers on center of each third. (see diagram). ey should be at the

same height as the side channel speakers. e IR Knock out should be facing the side walls.

NOTE:

We do not recommend the IW-155SR for use in the ceiling. For ceiling mount sur-

round purposes we recommend either our IC-6.3, IC-6OBA or IC-8.3 speakers.

DIPOLE

BIPOLE

IR Knockout

Front of Room

Instruction Manual

Speaker Placement

Left Center Right

Subwoofer

Front Speaker Array should be

placed as close to ear level as

possible. Place the Left and Right

speakers about 6-10 feet apart.

Surround Speakers. When using

the IW-155SR as a side channel

surround speaker in a 5.1 or 7.1

home theater, the speaker should be

installed directly to the sides of the

seating area and no more than 1-2

feet above the listener’s ear level.

Subwoofer

placement is

dependent on room

size and shape.

Experiment to nd a

location that

produces the

smoothest response.

Surround Back Speakers. When using the IW-155SR

as a rear channel in a 7.1 home theater, divide the

back wall into thirds and install the speakers on

center of each third. They should be at the same

height as the side channel speakers. The IR Knock

out should be facing away from the side walls.

IW-155SR as Side Surround and Rear Speakers in Dolby Digital

7.1 system.

NOTE:

We do not recommend the IW-155SR for use in the ceiling. For ceiling mount

surround purposes we recommend either our IC-6.3, IC-6OBA or IC-8.3 speakers.

IW-155SR High Performance In-Wall Surround Speakers

Removing and Installing the Grille

Remove the grille from the speaker using the supplied tool, an awl or the point of a dry-

wall screw in a grille opening near one of the grille corners. Slowly pry the grille out, being

careful not to damage the speaker’s frame or its nish.

To re-install the grille later, press it carefully into the appropriate opening in the frame

assembly. It is designed to be held in place with magnets and t snugly into the groove.

Please take your time and use care when installing the grille.

Painting the Grille and Frame

e IW-155SR grille can be painted to blend into virtually any décor. e grille has a remov-

able scrim behind the metal to conceal the IW-155SR’s drivers. Before painting remove the

grille, carefully remove the fabric scrim from the inside of the metal grille using a tweezers

or needle-nosed pliers, starting at a corner of the grille and carefully pulling diagonally

across the length of the grille. Lay the scrim on the cutout template and store it in the

provided plastic bag to protect the scrim from indirect paint spray and damage while the

grille is being painted.

Once the scrim is removed, carefully remove the speaker from the bae by removing the

screws shown in gure below. Set the speaker aside in a safe place. You can now install the

grille and paint the grille and trim bezel. Be sure to keep the holes in the grille free of paint.

An airless sprayer or spray paint will work best. Aer the paint is dry you can reinstall the

speaker, reattach the scrim and reinstall the grille.

DIPOLE

BIPOLE

Removing and Installing the Grille

Instruction Manual

Speaker Installation

NOTE:

We always recommend a professional be involved in the installation of the

IW-155SR.

Installation of the IW-155SR in New Construction with Optional

New Construction Bracket

For new construction, we highly recommend that

you use the optional IN-NC-155 New Construc-

tion Bracket.

e lip on the New Construction Bracket must

face outwards into the room. Wallboard is then

installed up to the lip, leaving a perfectly-dened

mounting hole for the speakers. Use a level to get

it straight; this can't be xed later.

Installation of the IW-155SR in Existing Construction

e IW-155SR can be easily mounted in most

any standard wall material, from ½ to 1½ inches

(12 to 38mm) thick. e IW-155SR rotating wall

clamps rmly x it to the wall surface aer the

proper cutout has been made.

An important precaution to take before

mounting:

Keep the top and bottom of the actual mounting

hole at least 1½ inches (38mm) away from beams or obstructions to ensure that the clamps

have adequate room to rotate. A crossbrace or other obstruction that’s too close will stop

them from properly doing their job.

DIPOLE

BIPOLE

Speaker Installation

IW-155SR High Performance In-Wall Surround Speakers

Cutting the Opening

Aer determining the best location for

the speaker as outlined previously, use the

enclosed template to cut the proper size

hole.

14 ¼” x 7 1

⁄8” (368mm x 181mm)

WARNING:

Exercise extreme care before

making any wall cuts to ensure that you

will not cut through any wires, pipes,

or other items that may be in the wall.

You may sometimes, but not always, be

able to determine the approximate loca-

tion of wires and pipes by looking at the

locations of nearby outlets and plumb-

ing. But their location or absence is never

an assurance that there is not something

within the wall cavity.

Connecting the IW-155SR to Your System

WARNING:

To prevent risk of electrical shock or damage to your equipment,always

switch off the amplier or receiver when making any system connections.

Speaker Connection

It's important to observe polarity while making speaker connections: red (+) terminals on

the amplier to re (+) on the speaker, black(-) on the amplier to black (-) on the speaker.

Look carefully at the wires you are using and note one of the conductors of each pair will

typically be identied by either color, printing on the outer jacket, ridges on the outer jacket,

or a thread intertwined with the wire strands. By convention, the marked wire is connected

to the red (+) terminal.

We recommend that you connect your speakers using high-quality dual conductor stranded

wire of 16 gauge or heavier, for lengths up to 25 feet (8m). Remember, the lower the gauge

number, the heavier the wire. Use heavier gauge wire for longer runs. Please contact your

audio/video dealer or installer for specic cable recommendations and further informa-

tion regarding special circumstances. e terminals themselves are designed to allow the

use of very heavy speaker wire or connectors.

Strip about ½" (13mm) of insulation from the connecting wires. Connect them to the

appropriate push terminal, being careful to observe polarity (positive to the red terminal,

negative to the black terminal).

WARNING:

Before turning on the amplier, be certain that no stray wire strands are

touching across any terminals as this might damage your amplier.

IW-155LCR/SR

Mounting

Template

Cutting the Opening

Instruction Manual

Installing the Speaker Assembly

e clamping mechanism allows

the wall material to range from

½" to 1½" (12 to 38 mm) in

thickness. ere must be a min-

imum depth behind the wall

face of 3 5⁄8” (92 mm). As noted

above, be sure to keep the top

and bottom of the cutout at least

1½" (38mm) away from obstruc-

tions, as the rotating clamps will

not operate properly if you don’t.

Insert the speaker into the cutout and using a level carefully align it so it is level. Tighten

the mounting screws, which will cause the attached clamps to rotate and position them-

selves properly behind the wall.

Continue to tighten until the speaker is snug in the wall. You want the bezel to conform to

the wallboard, and the frame not to rattle from the speaker’s vibration, but be very care-

ful not to overtighten the screws.

It is strongly recommended that you hand-tighten the mounting screws the nal few

turns (aer using an electric screwdriver set to "low torque") to avoid the possibility of

damaging the frame.

Speaker Setup

Dipole/Bipole Operation of IW-155SR

When using the IW-155SR in a Dolby Pro Logic®, Dolby Digital

5.1, 7.1 or 9.1, Dolby True HD or DTS Master Audio-based home

theater, we recommend setting the switch to DIPOLE.

When using the IW-155SR in a Dolby Atmos or DTS-X® home

theater, we recommend setting the switch to BIPOLE. e posi-

tional audio in Dolby Atmos and other object-based systems are engineered to create a

more precisely-localizable surround eect. erefore we believe speakers set to BIPOLE

will typically outperform dipole speakers in an object based system.

DIPOLE

BIPOLE

Installing the Speaker

DIPOLE

BIPOLE

IW-155SR High Performance In-Wall Surround Speakers

Tweeter Positioning

e tweeters are adjustable to allow you to posi-

tion them so you have the greater exibility in

your environment. We recommend you start with

the tweeters facing outward to provide the best

performance. In dipole mode this positioning cre-

ates a better ‘null’ between the drivers. In bipole

mode it provides greater coverage.

However, feel free to experiment with both switch and tweeter positions. Given the eas-

ily removable magnetic grille, it is possible to make adjustments depending on program

requirements or personal preference.

IR Knockout

ere is an IR "knockout" plug in the upper right corner of the bae

behind the logo. If you need, you can install a standard IR receiver in the

knockout hole.

Specications

IW-155SR

Type 2-way dipole/bipole switchable

Drivers Woofer (2) 5 ¼” (135mm) GLH*

Tweeter (2) 1” (25.4mm) soft dome

Frequency Response 80-20kHz ±3dB

Nominal Impedance 6Ω

Crossover Frequency 3500Hz

Sensitivity 88dB

Recommended Power 25 – 150 Watts

Overall Dimensions (W x H x D) 15½ x 8½ x 3¾”

395 x 216 x 97mm

Cutout Dimensions (W x H) 14¼ x 7

1⁄8

”

362 x 181mm

Optimum Sealed Enclosure Volume 1.0 cu. ft.

Net Weight (ea) 8lbs; 3.7kg

Optional New Construction Bracket IN-NC-155

*Graphite Loaded Homopolymer IR Receiver not included.

Specications are those in effect at the time of printing. As part of our ongoing program of continuous product improve-

ment, Atlantic Technology reserves the right to change specications or appearance at any time without notice or obli-

gation to modify existing product..

DIPOLE

BIPOLE

Specications

DIPOLE

BIPOLE

Table of contents

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