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Install at i o n Gui d e
IW2550LCR ■ IW2650LCR ■ IW2670LCR ■ IW2770LCR
Professional Quality, In-Wall, Enclosed
Left/Center/Right Channel Loudspeakers
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CONGRATULATIONS! ® Thank you for choosing a superior StageFront Home Theater Solutions In-Wall LCR loudspeaker from Niles. With proper installation and operation, you should 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 see the complete Niles product assortment, visit us on the Internet at: www.nilesaudio.com TABLE OF CONTENTS Introduction 1 Features and Benefits 2 Installati
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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 “LCR” are intended primarily for front channel left/center/right placement or wherever a monopole design is required. Models that end in “FX” are designed for special effect placement. StageFron
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FEATURES AND BENEFITS DUAL TCC™ (TALC, CARBON, CERAMIC-FILLED) WOOFERS* *IW2550LCR & IW2650LCR models only Extremely rigid to reduce breakup, lower distortion and provide enhanced bass response DUAL INTERLACED CARBON-FIBER WOOFERS WITH BUTYL RUBBER SURROUNDS* *IW2670LCR & IW2770LCR models only Provide increased sound pressure levels and sustained high-power output FLUID-COOLED TETERON DOME MIDRANGES* *IW2670LCR & IW2770LCR models only Produce smooth detailed dialog FLUID-COOLED TETERON DOME TW
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INSTALLATION CONSIDERATIONS Loudspeaker Baffl e Dogs swivel 90° Mounting Screws Grille Figure 1. Mounting an IW2770LCR vertically into a wall. TOOLS AND PRECAUTIONS We recommend using the following tools to install an In-Wall StageFront loudspeaker: ■ Electric drill with 1/4- and 1/2-inch drill bits, and a 1-inch flat drill bit (for drilling through studs) ■ Keyhole or dr ywall saw ■ Stiff wir e, fish tape, or glow rods (for routing cables) (CONTINUED ON NEXT PAGE) 3
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INSTALLATION CONSIDERATIONS (CONTINUED) ■ Phillips scr ewdriver 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 r
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LOUDSPEAKER PLACEMENT NOTE: THE STAGEFRONT LCR LOUDSPEAKERS ARE DESIGNED FOR USE IN FRONT LEFT, CENTER OR RIGHT-CHANNEL APPLICATIONS. FOR EFFECT CHANNEL NEEDS, WE RECOMMEND USING A STAGEFRONT FX LOUDSPEAKER. PLACING THE STAGEFRONT LCR AS THE FRONT LEFT AND RIGHT LOUDSPEAKERS In a home theater, the intelligibility of dialog and action reproduced by the front loudspeakers is paramount! The position of each loudspeaker plays a very important role in how clear the sound is and how a stereo imag
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INSTALLATION CONSIDERATIONS (CONTINUED) As for placement height, place front left and right loudspeakers on either side of the picture source so that their tweeters are not more than 24 inches above or below the center-channel loudspeaker’s tweeter (see Figure 3 on page 7). If the StageFront LCR 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 obstructio
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IW2770LCR (Optional Placement Above TV) Pod rotated (tweeter up) Not Greater than 24" Not Greater than 24" IW2770LCR IW2770LCR Pod rotated (tweeter up) IW2770LCR Figure 3. Perforated Screen Perforated Screen Figure 4. Recommended center-channel placement behind a perforated projection screen. Loudspeaker may be installed vertically or horizontally. Tweeter/Midrange Pod should be positioned as shown. 7
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FINISHING THE INSTALLATION CONNECTING & INSTALLING THE LOUDSPEAKER 1. Remove the magnetic grille by starting at a corner and gently pulling the grille outwards as you work around the edges. 2. At each loudspeaker, route the 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. 3. On each set of loudspeaker connectors, press down the sprin
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Rear View Front View Figure 6. Installing unit into a wall. PAINTING THE GRILLE AND FRAME Each StageFront FX and LCR frame and grille may be painted without the need for primer. For best results when painting the grille, use a spray gun or airless sprayer, thin the paint to prevent clogging of the grille holes, and apply several light coats instead of one heavy one. 1. Install loudspeaker into wall. 2. Carefully peel adhesive-covering strips off of paint mask and align over magnets on loudsp
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Of course, there are some wires that appear completely identical. So be careful, or you might make a connection mistake. If you do, one loudspeaker will be playing “out-of-phase” with the other loudspeaker. A pair of out-of-phase loudspeakers works against each other, and the sound of the two playing together will be lacking in bass and sound “phasey.” If you suspect the sound is not right, and you cannot see any markings on the wire, try this simple test: 1. Stand halfway between the louds
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OPERATION LISTENING AT HIGHER VOLUMES Achieving a reasonable volume of sound in a large room requires more amplifi er power than it does in a small room. It is possible to turn the volume up so high that the amplifi er runs out of power. This creates “clipping” distortion, which will make treble sound very harsh and unmusical. When you hear harsh-sounding treble from any good loudspeaker, turn the volume down immediately! Those harsh sounds are masking much more powerful ultra-high-frequency
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SPECIFICATIONS IW2550LCR IW2650LCR Recommended Amplifi er Power Recommended Amplifi er Power 15 to 125 watts per channel 15 to 125 watts per channel Nominal Impedance Nominal Impedance 6 ohm nominal; 3.2 ohm minimum 6 ohm nominal; 3.2 ohm minimum Frequency Response Frequency Response 80Hz to 20kHz, +/- 3 dB 70Hz to 20kHz, +/- 3 dB Sensitivity Sensitivity 88 dB with 2.83 V pink noise input measured at 89 dB with 2.83 V pink noise input measured at 1 meter on axis 1 meter on axis Frame Dimensio
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SPECIFICATIONS IW2670LCR IW2770LCR Recommended Amplifi er Power Recommended Amplifi er Power 15 to 125 watts per channel 15 to 125 watts per channel Nominal Impedance Nominal Impedance 6 ohm nominal; 3.2 ohm minimum 6 ohm nominal; 3.2 ohm minimum Frequency Response Frequency Response 70Hz to 20kHz, +/- 3 dB 70Hz to 20kHz, +/- 3 dB Sensitivity Sensitivity 90 dB with 2.83 V pink noise input measured at 91 dB with 2.83 V pink noise input measured at 1 meter on axis 1 meter on axis Frame Dimensio
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NILES AUDIO CORPORATION 12331 SW 130 Street, Miami, FL 33186 1-800-BUY-HIFI – 305-238-4373 – www.nilesaudio.com ©2008 Niles Audio Corporation. All Rights Reserved. Niles, the Niles logo, and StageFront Home Theater Solutions are registered trademarks of Niles Audio Corporation. All other trademarks are the property of their respective owners. DS00509B
