Niles Audio IW770FX User Manual

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I n s t a l l a t i o n G u i d e

IW650FXIW770FX

P r o f e s s i o n a l Q u a l i t y , I n - W a l l , S u r r o u n d E f f e c t s L o u d s p e a k e r s

CONGRATULATIONS!

Thank you for choosing a superior StageFront Home Theater Solutions™ In-WallFX loudspeaker from Niles. With proper installation and operation, you should enjoy years oftrouble-freeuse.

Niles manufactures the industry’s most complete line of custom installation components and accessories for audio/video systems. To see the complete Niles product assortment, visit us on the Internet at: www.nilesaudio.com

TABLE OF CONTENTS

Introduction

1

 

 

Features and Benefits

2

 

 

Installation Considerations

3

 

 

Finishing the Installation

8

 

 

Operation

12

 

 

Specifications

13

 

 

Limited Warranty

16

 

 

Warranty Registration Card

17

 

 

INTRODUCTION

StageFront Home Theater Solutions loudspeakers are expressly designed for superior sonic quality in home theater applications. Each model employs

advanced technology components that extract the subtle nuances in recorded music or the thunderous action sound in a movie. Models ending in “FX” are intended primarily for special effect placement. Models ending in “LCR” are designed for front channel left/center/right placement or wherever a monopole design is required. StageFront models are the perfect choice wherever quality of sound is the most important consideration.

IW650FX

Stock Number

FG01331

IW770FX

Stock Number

FG01328

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FEATURES AND BENEFITS

TCC™ (TALC, CARBON, CERAMIC-FILLED)WOOFER*

*IW650FX only

Extremely rigid to reduce breakup, lower distortion and provide enhanced bass response

DUAL SIDE-FIRINGTCC™ (TALC, CARBON,CERAMIC-FILLED)SURROUND EFFECT DRIVERS*

*IW650FX only

Provide diffuse sound fields for optimum surround effects

INTERLACED CARBON-FIBERWOOFER WITH BUTYL RUBBER SURROUND*

*IW770FX only

Provide increased sound pressure levels and sustained high-poweroutput

DUAL SIDE-FIRINGCARBON-FIBERMIDRANGES WITH DUAL TETERONDOME TWEETERS*

*IW770FX only

Enable sustained high power playback and diffuse sound fields for optimum surround effects

FORWARD-FIRINGFLUID-COOLEDTETERONDOME TWEETER

Delivers ultra-widedispersion andsilky-smoothresponse

12V CONTROLLED DIPOLE/BIPOLE RELAY

Accommodates automated DVD-Audioor Dolby® surround sound effects

FRONT-MOUNTEDDIPOLE/BIPOLE SWITCH AND EFFECTS LEVEL CONTROL

Enables fine-tuningafter installation

CROSS-BRACEDPORTED CABINETS WITH INTEGRATED FRAME DESIGN

Fits standard 2x4 construction and is easily retrofitted

EPOXY-COATEDMICROPERF™ MAGNETIC GRILLE

Provides an elegant yet unobtrusive appearance

DOLBY DIGITAL® READY

StageFront Home Theater Solutions loudspeakers are expressly designed for superior sonic quality in home theater applications. All models exceed the

specifications set forth by Dolby Laboratories for the accurate reproduction of Dolby Digital-EncodedSources

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INSTALLATION CONSIDERATIONS

Loudspeaker Baffle

Dogs swivel 90°

Mounting Screws

Grille

 

Figure 1. Mounting an IW770FX vertically into a wall.

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INSTALLATION CONSIDERATIONS (CONTINUED)

TOOLS AND PRECAUTIONS

We recommend using the following tools to install an In-WallStageFront loudspeaker:

Electric drill with 1/4- and 1/2-inchdrill bits, and a1-inchflat drill bit (for drilling through studs)

Keyhole or drywall saw

Stiff wire, fish tape, or glow rods (for routing cables)

Phillips screwdriver set

Cable ties

Pencil

Level

Rubber gloves and protective eyewear

Before starting the installation, please observe the following precautions:

Turn off all system power before making any connections

Always wear protective eyewear when using tools

Make sure hands are clean before installation

Wear gloves when working with fiberglass insulation

RECOMMENDED AMPLIFIER POWER

For satisfactory performance, we recommend using a surround amplifier with a power rating of 15 to 125 watts. Most loudspeakers are not damaged by large amplifiers, but rather by small amplifiers. If your system is playing loud music, a small amplifier will run out of power very quickly and can create damaging “clipping” distortions. A more powerful amplifier will play at the same volume

without distorting. See OPERATION on page 12 for more information about amplifier clipping distortion.

LOUDSPEAKER WIRE

Use 2-conductorloudspeaker wire when connecting loudspeakers to your receiver or amplifier. For most applications, we recommend using16-gaugewire. For wiring runs longer than 80 feet, we recommend14-gaugewire. The springloaded terminals will accommodate up to12-gaugewire directly. Larger sizes can be accommodated via pin connectors. When running wire inside walls or ceilings, use special jacketed cable(CL-2orCL-3)to protect the wire and to meet local

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electrical and fire codes. In some areas, conduit is also required. For a trouble-freeinstallation,low-voltagewire such as loudspeaker wire must be run 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.

TECH TIP

Wire size is expressed by its AWG (American Wire Gauge) number – the lower the number, the larger the wire. For example, 12 AWG is physically larger than 14 AWG.

LOUDSPEAKER PLACEMENT

NOTE: THE STAGEFRONT FX LOUDSPEAKERS ARE DESIGNED FOR USE IN EFFECT CHANNEL APPLICATIONS. FOR FRONT LEFT, CENTER OR RIGHT-CHANNELNEEDS, WE RECOMMEND USING STAGEFRONT LCR LOUDSPEAKERS.

PLACING THE STAGEFRONT FX AS THE SIDE LEFT AND RIGHT LOUDSPEAKERS

In home theater, the goal is to reproduce the experience of a great movie theater in your home. The biggest difference between the two venues is the use of a rearor surround-loudspeakerarray in a commercial theater. Here, it is not uncommon

to see 20 or 30 loudspeakers placed around theater walls. This huge array of loudspeakers assures the audience will feel completely surrounded by the ambient soundtrack of the movie.

Filmmakers carefully use the “surround” soundtrack to envelope viewers in the sound environment on screen. They will place background music, rain sounds, traffic noise, etc. on the “surround” soundtrack to create desired effects. However, in a home with a single pair of front loudspeakers, this surround effect will be lost, and jungle sounds may actually sound like they are emanating “from the middle of your head,” just like headphones!

Each StageFront FX loudspeaker is equipped with a BIPOLE/DIPOLE front switch as well as a 12 volt trigger jack on the rear of the enclosure. This jack will switch the StageFront FX loudspeaker from the front switch setting to its opposite position (such as from a setting of Dipole to Bipole) for as long as voltage is applied to this connection. Tip is positive. Use a source that will supply 12 volts DC 200 mA minimum for this trigger. These controls optimize the surround effects for either side or rear placement as well as various surround modes. (see SETTING THE BIPOLE/DIPOLE MODE on page 11). Here are some recommended loudspeaker placement tips:

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INSTALLATION CONSIDERATIONS (CONTINUED)

Place the surround loudspeakers on a rear wall directly behind the listening position. If possible, try placing the loudspeakers nearer to the corners, as shown in Figure 2 and3. Set each BIPOLE/DIPOLE switch to DIPOLE for reflected sound. Moreover, the adjoining walls will act as powerful reflectors to create even

more reflections.

If you place the surround loudspeakers farther away from the listener, the surround sound will dissipate, requiring even more power from the surround-soundchannels. If your sound system uses a small (less than 50 watts per channel) surround amplifier for the rear loudspeakers, be sure to place the loudspeakers within 5 to 8 feet of the listening location.

If you are using a larger (more than 50 watts per channel) surround amplifier, you can mount the loudspeakers 10 to 15 feet away from the listening location and still achieve reasonably high volume levels. In large or unusually-shapedrooms, this might be the only way to achieve a good effect.

Right

Left

Figure 2. Loudspeakers are placed near back corner walls of a home theater room.

Right

Left

Figure 3. Loudspeakers are placed near back corner walls of a home theater room with anL-shapedsofa.

If your home theater system is capable of reproducing Dolby Surround EX® consider using a second pair of StageFront FX loudspeakers (on the side walls) for an additional rear surround effect, as shown inFigure 4. Ideally, the side loudspeakers should be placedin-linewith the listening position with the BIPOLE/DIPOLE controls set to DIPOLE. For a more focused surround effect, set the BIPOLE/DIPOLE controls to BIPOLE.

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If you like listening to music in surround modes (which emulate concert hall acoustics), consider using more than two surround loudspeakers to provide an extraordinary effect. With StageFront loudspeakers, it is easy to add another pair without affecting the decor of the room.

If the StageFront FX loudspeaker is being installed in existing construction, please use the included cardboard template to mark your installation location. Check for proper clearance within studs or any other obstructions before cutting the speaker opening. If you are unsure of the correct installation techniques, please consult your authorized Niles Audio dealer.

NOTE: FOR THIS APPLICATION, YOU WILL NEED TO USE A MORE POWERFUL AMPLIFIER THAN THE ONE BUILT INTO A TYPICAL SURROUND-SOUNDRECEIVER OR AMPLIFIER. NILES MAKES A NUMBER OF SYSTEMS INTEGRATION AMPLIFIERS WITH PROPRIETARY FEATURES THAT MAKE THEM UNIQUELY SUITED TO ENHANCE YOUR EXISTINGSURROUND-SOUNDSYSTEM. CONSULT YOUR LOCAL NILES DEALER FOR MORE INFORMATION.

Right

Rear

Right

Rear

Left

Left

THE BOUNDARY EFFECT

Figure 4. Two pairs of loudspeakers reproduce Dolby Surround EX® surround sound in a home theater room.

Placing a loudspeaker in a corner can powerfully affect the way a listener perceives bass response. Known as the boundary effect, placing loudspeakers close to

a wall/ceiling boundary or near a corner-wallboundary will emphasize certain bass frequencies, while canceling others. This effect can make the loudspeaker sound excessively boomy and inaccurate to some listeners, while to others it just seems like more bass sound. As a goodrule-of-thumb,if you like listening to your current pair of loudspeakers with the bass turned up, you’ll enjoy corner placement. However, if you listen with the tone controls at neutral, try keeping the loudspeakers at least 2 or 3 feet from the boundaries of the room.

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FINISHING THE INSTALLATION

CONNECTING & INSTALLING THE LOUDSPEAKER

1.Please be sure to install the correct loudspeaker in the correct room position. Look on the rear label for “Right” or “Left” designation. Install in the appropriate position as viewed from the listening position facing the video display.

Right

Rear

Optional

Right

Placement

Figure 5. Two pairs of loudspeakers reproduce Dolby Surround EX® surround sound in a home theater room.

Rear

Left Optional

Left Placement

2.Remove the magnetic grille starting at a corner and gently pulling the grille outwards as you work around the edges.

3.At each loudspeaker, route the loudspeaker and optional trigger wire through the provided channel to the input connectors, then separate the loudspeaker wire so that at least 2 inches of each conductor are free. Strip away 1/4 inch of insulation from each loudspeaker wire. If you wish to use the 12 volt triggered Dipole/Bipole automated feature, please insert 1/8” (3.5mm) plug above speaker inputs. Refer back to page 5 for details.

4.On each set of loudspeaker connectors, press down the spring-loadedconnector, insert the appropriate conductor, and then release the connector, as shown inFigure 5. Gently tug on the loudspeaker wire to make sure it is held in place. If not, repeat this procedure until it is.

NOTE: OBSERVE CORRECT POLARITY: POSITIVE (+) GOES TO THE RED POST AND NEGATIVE

(–)GOES TO THE BLACK POST. IF YOU ARE UNSURE OF WIRE POLARITY, SEE THE SECTION,

CHECKING LOUDSPEAKER PHASE ON PAGE 9.

5.Connect the other end of each loudspeaker wire to the receiver (or amplifier) in the same way.

6.Check that loudspeaker is level and then tighten the eight large screws using a #2 Phillips bit. This should pull the frame and mounting dog together (sandwiching the drywall) so that the frame is absolutely flush with the wall surface. There should be no gaps between the wall and the frame.

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