Niles OS5.3Si Instructions d'utilisation d'origine

OS6.3Si

OS5.3Si

MODELS

OS6.3Si

OS5.3Si

Stereo Input Indoor/Outdoor Loudspeaker

BLENDING HIGH FIDELITY

AND ARCHITECTURE®

INSTALLATION & OPERATION GUIDE

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CONGRATULATIONS

Thank you for choosing a Niles OS Indoor/Outdoor Loudspeaker. With proper

installation and operation, you’ll enjoy years of trouble-free use.

Niles manufactures the industry’s most complete line of custom installation

components and accessories for audio/video systems. To learn more about

Niles products visit our website: www.nilesaudio.com or call us at 800-BUY-HIFI

(800-289-4434).

TABLE OF CONTENTS

INTRODUCTION 2

FEATURES & BENEFITS 3

PARTS GUIDE 5

INSTALLATION CONSIDERATIONS 7

PAINTING THE OS SERIES LOUDSPEAKER 12

INSTALLATION 15

OPERATION 18

SPECIFICATIONS 19

WARRANTY REGISTRATION CARD 21

LIMITED WARRANTY 22

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Niles once again raises the bar. With our first OS Indoor/Outdoor models we

revealed a radical new understanding of loudspeaker capabilities. Niles original

OS Indoor/Outdoor loudspeakers are constantly praised for their ability to deliver

exemplary reliability and outstanding sound quality. These attributes have made

Niles OS Indoor/Outdoor loudspeakers the best selling loudspeakers in their class.

The goal of our new OS Indoor/Outdoor line-up is to raise this bar with refined

appearance and superior sonic performance. Once again establishing a

benchmark by which all others are judged. The new Niles OS Indoor/Outdoor

loudspeakers owe much of their performance and sound quality advantage to

design elements pioneered in the award-winning Niles DS Directed Soundfield™

loudspeakers. Their engineering advances come from our integrated approach to

driver and cabinet design. By integrating the woofer basket into the baffle of the

cabinet we are able to increase the woofer cone-area to cabinet-width ratio. Thus

enabling OS Indoor/Outdoor loudspeakers to provide levels of bass performance

that substantially exceed their physical size. However, deeper and more powerful

bass isn’t the only refinement in the new OS Indoor/Outdoor line-up. A new and

modern style enables OS Indoor/Outdoor loudspeakers to blend seamlessly with

the architectural elements both indoors and out. After the installation is complete,

you will be astonished by the experience of hearing such clean and powerful

sound coming from such an elegant appearing loudspeaker.

INTRODUCTION

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Stereo Input “Si” Design

Plays both left and right channels to provide broad sound coverage and a stereo

effect from a single loudspeaker

Patent Pending Integrated Woofer/Baffle Assembly

Increases the woofer cone-area to cabinet-width ratio for enhanced bass output

Mica-Filled Polypropylene Woofer Cone

Reduces breakup and lowers distortion

Butyl Rubber Woofer Cone Surround

Damps resonance and provides exceptional durability

Dual Voice Coil Woofer

Delivers both left and right channels from one loudspeaker

Dual UltraSilk™ Dome Tweeters

1" fluid-cooled tweeters provides ultra-wide dispersion for clear, detailed and

extended high-frequencies

Stereo Imaging Tweeter Array

Directs the high frequency sounds from both the right and left channels from one

loudspeaker

Weatherproof Engineering

Enables OS loudspeakers to handle extreme hot, cold and moist environments,

exceeding the military’s strict anti-corrosion specification MIL-STD-883D

Advanced Material Science

Elevates appearance and longevity of the cabinet and grille, plus enhances the

performance of the woofers, tweeters and crossovers

FEATURES & BENEFITS

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Architectural Friendly Design

Delivers stellar acoustical performance yet tucks discretely away into corners and

under eaves

Low Diffraction Grille and Front Baffle

Ensures that the sound waves emanating from the woofer and tweeter are not

reflected by the surrounding parts of the loudspeaker for precise imaging and

acoustical accuracy

Rigid, Acoustically Inert Cabinet

Prevents transmission of unwanted vibrations for clean and dynamic bass response

All-Weather Versatility

Reduces installation limitations to provide great sound from the beaches of Miami

to the harsh winters of Minneapolis

Home Theater Applicability

Enables OS loudspeakers to be used as left, center, right, or surround speakers in

home theater systems

Integrated Mounting Bracket and Shelf Stand

Provide a variety of secure, quick and easy mounting solutions

Tapered Shape

Facilitates mounting in corners and under eaves

Inverted Gold Plated 5-Way Binding Posts

Repel moisture and ensure positive connections in virtually any conditions over

long periods of time

FEATURES & BENEFITS

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PARTS GUIDE

Figure 1 OS-5.3Si and OS-6.3Si Parts Guide

a. Bracket

b. Nail Hole

c. Wire Hole

d. Screw Hole

e. Bracket Knob

f. Grille

g. Cabinet

h. Binding Posts

i. Threaded Insert (1/4"-20 Thread size)

dd b

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PARTS GUIDE

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Tools and Materials Required

• A wire stripper

• A pencil

• A level (optional)

• Three screws or bolts suitable for the mounting surface

• The proper screwdriver for your mounting hardware

• A drill bit of the right size and type

• An electric drill

Wiring

The OS loudspeaker connects to your receiver or amplifier using 2x2-conductor

loudspeaker wire (See Figure 2). For most applications, we recommend using 16

or 18 gauge wire. For wiring runs longer than 80 feet, we recommend 14 gauge

wire. The binding posts on the OS loudspeaker will accommodate up to 12 gauge

wire directly. Larger sizes can be accommodated using spade, banana, or pin

connectors.

When you run wire inside walls, outdoors or in marine installations, special

jacketing or conduit is required for a trouble-free installation and conformation to

the local and national building codes. If you are not sure of the correct wire jacket

or type of conduit to use, consult a professional audio/video installer, building

contractor, or the local building and inspection department.

INSTALLATION CONSIDERATIONS

TECH TIP

Wire size is expressed by its AWG (American Wire

Gauge) number. The lower the number, the larger

the wire, i.e. twelve AWG is physically larger than

fourteen AWG.

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Incorporating a Volume Control

It’s possible to control the volume of the sound at the loudspeaker location. Plan to

wire the system so that each loudspeaker has it’s own volume control. Niles makes

a wide range of indoor and outdoor volume controls. Consult your local Niles

dealer for more information. Volume controls are connected in line with the

speaker, so you must connect the wire from the amplifier to the volume control and

then from the volume control to the loudspeaker (See Figure 3).

Recommended Amplifier Power

For the OS 5.3Si loudspeaker, we recommend an amplifier with a power rating of

five (5) to one hundred (100) watts per channel for optimum performance. For the

OS 6.3Si loudspeaker, we recommend an amplifier with a power rating of five

(5) to one hundred twenty five (125) watts per channel for optimum performance.

Ironically, most speakers are not damaged by large amplifiers but by small

amplifiers. If you are playing at high volume, a small amplifier will run out of power

very quickly. When an amplifier runs out of power it creates damaging “clipping”

distortion. A large amplifier will play at the same volume without distorting. See the

section “Operation” for more information about clipping distortion.

INSTALLATION CONSIDERATIONS

Figure 2

Wiring directly from a receiver

or amplifier

Figure 3

Incorporating a volume control

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Placing the OS Loudspeaker for the Best Sound Quality

Traditionally, when using a pair of stereo loudspeakers, the listener will be

positioned directly between the left and right loudspeakers to achieve optimum

stereo sound. However, in some applications this is not possible, especially when

a large area of coverage is required. It was for these types of applications that the

OS “Si” loudspeaker was created. With its ultra wide dispersion pattern, a single

OS “Si” loudspeaker is able to project quality stereo sound over a larger area. No

matter where you are—You are always in the sweet spot. (See Figure 4).

Make sure that you are not blocking or reflecting the sound off of furniture or other

objects. You should have a direct line of sight with the front of the loudspeaker.

INSTALLATION CONSIDERATIONS

10'

Figure 4

Illustration depicts the optimum placement zone for a listening

distance of ten feet.

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