Niles Directed Soundfield Manuel utilisateur

DIRECTED SOUNDFIELD

™

INSTALLATION GUIDE

DESIGNER AESTHETICS

ADVANCED TECHNOLOGY

WWW.NILESAUDIO.COM

Thank you for choosing Niles DS Loudspeakers. With proper installation, use,

and care, your loudspeakers will deliver years of listening enjoyment. Niles

manufactures the industry’s most comprehensive line of custom installation

components and accessories. For information on our complete product

assortment, please visit us at: www.nilesaudio.com.

TABLE OF CONTENTS

Introduction 3

Features and Benefits 3

Parts Guide 4

Installation Considerations 4

Installing the Loudspeakers 6

Adjusting the Pivoting Woofer and Tweeter 8

Switch Adjustments 9

Painting the Grilles 9

Installing the Grilles 9

Applications 10

Specifications 12

CONGRATULATIONS!

NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992 2

DIRECTED SOUNDFIELD

™

LEFT/CENTER/RIGHT CEILING-MOUNT LOUDSPEAKERS

SURROUND EFFECTS CEILING-MOUNT LOUDSPEAKERS

STEREO INPUT CEILING-MOUNT LOUDSPEAKER

DS7

DS8

DS7 DS8

DS7

3WWW.NILESAUDIO.COM

INTRODUCTION

Niles DS Loudspeakers deliver an uncompromising combination of designer

oriented aesthetics, superb sound performance, and ease of installation. Small

footprint and low prole, MicroThin™ magnetically attached grilles provide the

look that homeowners desire. Available in 7” and 8” versions, there are left/center/

right, surround effects, and stereo input models to satisfy applications ranging

from advanced home theaters to distributed audio systems. Niles’ patented

Directed Soundeld™ pivoting woofer technology precisely directs the sound to

the listening area for the best possible audio performance.

FEATURES AND BENEFITS

DESIGNER AESTHETICS

Magnetically attached MicroThin™ round speaker grilles ensure a clean,

unobtrusive designer appearance that blends with the room’s aesthetics. Optional

square grilles provide added design exibility.

SUPERIOR SOUND QUALITY

Patented Directed Soundeld™ technology*precisely directs the sound to the

listening area for better sound quality. New patent-pending pivot mechanism

provides for smooth adjustment and holds the loudspeaker securely in position.

INSTALLATION EASE

Three patent-pending, spring tensioned mounting clamps permit quick installation

and compensate for uneven mounting surfaces and varied environmental

conditions. Weather-resistant construction enables installation in moist areas such

as bathrooms or outdoors under eaves.

INSTALL WITH CONFIDENCE

The best-built loudspeakers deserve the best protection—the Niles Lifetime

Limited Warranty.

* U.S. Patent 6,070,694

Figure 1. Required dimensions for installation in ceiling.

6”(15.25 cm)

Depth Behind

Drywall

DS7 8-1/2”(21.6 cm)

DS8 9-3/4”(24.8 cm)

Diameter Hole Opening

DIRECTED SOUNDFIELD

™

NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992

PARTS GUIDE

PACKAGE CONTENTS:

DS7MP, DS7PR, DS7HD, DS8PR, DS8HD, DS7SI

(1) Niles DS loudspeaker, (1) Magnetically attached round grill, (1) Hole template

with painting standoffs, (1) Owner’s manual with warranty information

PACKAGE CONTENTS: DS7FX, DS8FX

(2) Niles DS loudspeakers, (2) Magnetically attached round grilles, (2) Hole

templates with painting standoffs, (1) Owner’s manual with warranty information

INSTALLATION CONSIDERATIONS

Recommended tools for installation:

7” DS LOUDSPEAKERS

These require an 8-1/2” (21.6 cm)

diameter hole opening and a

minimum of 6” (15.25 cm) depth

when measured from the exterior

face of the drywall. To the sides

of the hole you will need 1” for

the mounting tabs to clamp the

speaker to the drywall.

8” DS LOUDSPEAKERS

These require a 9-3/4” (24.8

cm) diameter hole opening and

depth of 6” (15.25 cm) from the

face of the drywall. To the sides

of the hole you will need 1” for

the mounting tabs to clamp the

speaker to the drywall. (CONTINUED ON NEXT PAGE)

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Figure 2. Speaker Wire Gauge Guide

RWE Rear Wave Enclosure*

RWE-7C Stock# FG01643

RWE-8C Stock# FG01644

5WWW.NILESAUDIO.COM

Distance from speaker to amplifier Wire Gauge

Less than 80 feet 16

80 to 200 feet 14

More than 200 feet 12

*Not for use with SI Speakers

INSTALLATION CONSIDERATIONS

CONTINUED

If you are going to use the optional

Niles Rear Wave Enclosure, you will

need an additional 2” of depth and

10” clearance to one side of the

loudspeaker opening.

NOTE: BE VERY CAREFUL WHEN LOCATING

THE SPEAKERS. VERIFY ALL LOCATIONS

ARE CLEAR OF OBSTRUCTIONS BEFORE

CUTTING THE FIRST HOLE.

Each speaker requires two-conductor wiring of sufcient gauge. The gauge

depends on the length of the wire. For recommendations, please refer to (Figure 2).

(Stereo Input loudspeakers require four-conductor wiring).

When running loudspeaker wire inside walls or ceilings, use special jacketed

cable (CL-2 or CL-3 rating) to protect the wire and for re prevention. In some

municipalities, conduit is required. For a trouble-free installation, low voltage wire

such as loudspeaker wire must be in accordance with the National Electrical Code

and any applicable provisions of the local building code. If you are unsure of the

correct installation techniques, wire jacket, or type of conduit to use, consult a

professional audio/video installer, building contractor, or the local building and

inspection department.

DIRECTED SOUNDFIELD

™

NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992

(CONTINUED ON NEXT PAGE)

INSTALLING THE LOUDSPEAKERS

It is often easier to lay the speakers out on the oor and then transfer the

locations to the ceiling with a laser plumb bob. If you are using new construction

brackets, place string across the centers of the bracket to provide a way to align

the bracket to the laser. Remember, you will need 1” to the sides of the mounting

hole for the mounting clamps to secure the speaker to the drywall.

1. Once you have determined a possible position for the hole cutout, drill a

1/8” pilot hole just barely through the ceiling (1/2” to 5/8” deep in most

homes) in the center of your proposed loudspeaker location. BE VERY

CAREFUL NOT TO DRILL THROUGH EXISTING WIRES, PIPES, OR

STRUCTURE. IF YOU FEEL ANY EXTRA RESISTANCE AS YOU ARE

DRILLING, STOP.

2. Cut a foot-long piece of coat hanger. Bend the wire (creating a right

angle) leaving 5-1/2” at one end (this allows for the extra width of the

mounting dogs). Poke the “L-shaped” wire into the pilot hole and turn it

in a complete circle and move it into the ceiling cavity to make sure you

have approximately 6” of depth. If the wire’s movement is obstructed by

anything, fill the hole(s) with spackle and try another location. (If there

is any risk of uninsulated electrical connections within the ceiling area,

use insulating gloves or other materials or consult with an installation

professional before proceeding).

3. If the coat hanger moves freely in a complete circle and you have

sufficient depth, tape the template to the ceiling and proceed to layout the

other speakers. Once you are comfortable with all speaker locations, use

a pencil to lightly outline the circular template.

4. Drill the starting point of your cut with a 1/4” bit.

5. If you are cutting drywall, use a sheetrock or keyhole saw. Cut the hole

with the saw at a 45° angle. That way the drywall section can be replaced

cleanly if there is an unseen obstruction behind the wall. IMPORTANT: BE

VERY CAREFUL NOT TO SAW THROUGH EXISTING WIRES, PIPES,

OR STRUCTURE. IF YOU FEEL EXTRA RESISTANCE AS YOU ARE

CUTTING, STOP.

NOTE: DO NOT INSTALL LOUDSPEAKERS BEFORE THE DRYWALL HAS BEEN COMPLETELY

FINISHED AND PAINTED.

Figure 4. Installing a

DS loudspeaker.

Figure 3. Spring-loaded speaker wire

connectors.

Mounting clamps require

1” clearance to the sides

of the hole opening

7WWW.NILESAUDIO.COM

INSTALLING THE LOUDSPEAKERS

CONTINUED

6. Prep the speaker wire by stripping 1/4”-1/2” from each speaker lead.

Twist the strands or tin the leads with solder to ensure there are no stray

strands that could short and possibly harm the amplifier.

7. If you’ve chosen to use insulation behind the loudspeaker, place it through

the hole and center it on the opening. If using paper-backed insulation, it

should be placed so that the paper side is away from the loudspeaker.

8. The speaker has black and red

spring-loaded connectors (Figure 3).

Black is for the negative (-) wire and

red for the positive (+). It is important

to observe correct wiring polarity.

This is especially important for the

Stereo Input (SI) Loudspeaker. If

you have wire other than black and

red, make sure you connect it the

same on the amplifier end as the

speaker end. Failure to do so will

adversely affect the loudspeakers’

performance.

9. Once the speaker wires are

connected, carefully slide the

loudspeaker into the opening hole

(Figure 4). While holding the speaker

in place, tighten the mounting screws

to secure the speaker to the drywall.

We recommend using a motorized

screwdriver. Be careful not to over

tighten. The DS loudspeakers feature

spring loaded mounting clamps that

allow the speaker to remain flush

with the ceiling, even if the

drywall shifts or expands.

NOTE: DO NOT CARRY THE SPEAKER

BY THE TWEETER OR TWEETER

BRIDGE. THIS MAY DAMAGE THE

SPEAKER.

Figure 5. Aim woofer and tweeter towards listener area.

DIRECTED SOUNDFIELD

™

NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 1-760-710-0992

ADJUSTING THE PIVOTING WOOFER AND TWEETER

DS loudspeakers feature the patented Directed Soundeld™ woofer pivot

mechanism that enables the loudspeaker to direct the sound to the listening area

(Figure 5). The tweeter(s) pivot independently of the woofer to provide additional

control of the sound. Adjusting the woofer angle will affect the tweeter angle, so

always begin by adjusting the woofer.

1. Press the outside edge of the woofer on the plastic, not the rubber, and

slide the speaker until it is facing the primary listening position. The

woofer adjusts approximately 15-degrees. Do not force the speaker.

2. After adjusting the woofer, adjust the tweeter by pressing on the outside

edge of the tweeter to point to the listening area.

9WWW.NILESAUDIO.COM

SWITCH ADJUSTMENTS

TWEETER SWITCH

(DS7MP, DS7PR, DS7HD, DS8PR, DS8HD, DS7SI)

The three-position tweeter switch allows you to adjust the high frequency output

of the loudspeaker to compensate for room acoustics. The center position does

not affect the tweeters output. Moving the switch to the –position reduces the

tweeter output by 3 dB to compensate for bright rooms (tile or wood oors, spare

furnishing, tall ceilings). Moving the switch to the +position increases the tweeter

output by 3 dB to compensate for absorptive rooms (carpeting, lots of drapery,

plush furniture, etc.).

DIALOG COMPENSATION SWITCH

(DS7MP, DS7PR, DS7HD, DS8PR, DS8HD, DS7SI)

This switch provides additional denition at critical midrange frequencies where

the human voice is reproduced. This switch is generally used only for home

theater center speaker applications. Engage the switch if you wish to enhance

the dialog.

DIFFUSE / DIRECT SWITCH

(DS7FX, DS8FX)

Use the Diffuse setting for movies and general music listening since most lms

are mixed using non-localized surround effects and music is usually recorded in a

favorable acoustic environment. Use the Direct setting for discrete multi-channel

recordings that equally emphasize front and surround sounds. For 7.1-channel

surround sound systems, use the Diffuse setting on the side effects loudspeakers

and the Direct setting for the rear effects loudspeakers.

PAINTING THE GRILLES

The DS loudspeaker grilles can be painted without priming, but the fabric scrim

must rst be removed. The installation template has die cut standoffs that can be

used to position the grille off the ground while painting. Use several light coats

sprayed from different sides and angles to cover all surfaces and not ll in any

holes. If you do ll some holes, use compressed air to open them before the paint

dries. It may be helpful to dilute the paint.

INSTALLING THE GRILLES

The Niles MicroThin™ speaker grille installs magnetically over the speaker.

Carefully center the grill over the speaker and let the magnets do their work,

verifying that the grill sets ush against the ceiling at all edges.

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