Niles CM7/CM8 in-ceiling Loudspeaker Installation Manual
Contents
1. BY PHONE IN USA 1 800 BUY HIFI 289 4434 BY PHONE OUTSIDE USA 1 760 710 0992 CUSTOMER SERVICE HOURS 8 00 AM to 5 30 PM PT TECHNIICAL SUPPORT HOURS 6 00 AM to 4 00 PM PT NEVE www nilesaudio com EMAIL TECHNICAL SUPPORT techsupport nilesaudio com EMAIL FOR PRODUCT SUGGESTIONS productsuggestions nilesaudio com NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 12 NILES BLENDING HIGH FIDELITY AND ARCHITECTURE 1969 Kellogg Avenue Carlsbad CA 92008 1 760 710 0992 1 800 BUY HIFI www nilesaudio com 2011 The AVC Group LLC All rights reserved Niles and the Niles logos UltraSilk and Blending High Fidelity and Architecture are registered trademarks of The AVC Group LLC MicroThin is a trademark of The AVC Group LLC All other trademarks are the property of their respective owners We reserve the right to change specifications descriptions and prices without notice The technical and other information contained herein is not intended to set forth all technical and other specifications Designed and engineered in the USA 9901198 Rev A2. and right speakers The tweeters should point to the sides of the room Figure 7 Figure 7 Home Theater Application CONTINUED ON NEXT PAGE Q MWW NILESAUDIO COM APPLICATIONS CONTINUED SINGLE SPEAKER STEREO INPUT APPLICATIONS CM7SI CM8SI Stereo Input loudspeakers are ideal for small rooms where positioning two loudspeakers is not practical Examples would be a small kitchen bathroom hallway or small bedroom Locate the loudspeaker as close to the center of the room as possible for the most even distribution of sound Figure 8 Avoid installing the loudspeaker near a corner to prevent a boomy or diffracted sound Figure 8 Single Loudspeaker Stereo Input Application NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 10 Model Wooten Midrange Amplifier Power Impedance with Grille Dimensions Drywall Ceiling D iu 13mm 8 ohm nominal 8 1 2 CM7BG Polypropylene Kaladex 10 75 watts 6 ohm minimum 9 7 8 25 1 cm 21 6 cm 3 3 4 9 5 cm Ga S Rib 8 ohi inal 8 1 2 lass Fiber il onm nominal E 3 4 CM7MP Tight Weave 1 Ultra Silk 10 130 watts 6 ohm minimum 9 7 8 25 1 cm 21 6 cm 3 3 4 9 5 cm CM7PR CM7HD CMZSI CM7FX CM8MP CM8PR CM8HD CMSSI woofer cone 7 Black Glass Fiber Tight Weave woofer cone 7 Aluminum Ceramic woofer cone
3. with special models for shallow depth ceilings models with Rear Wave Enclosures to minimize any sound bleeding through to adjacent rooms etc STEREO SOUND APPLICATIONS o e The best stereo effect will be achieved if both loudspeakers are at an equal distance from the listening area Ideally all loudspeakers should be on the same horizontal plane Figure 6 Avoid e g o installing loudspeakers near corners to prevent a boomy or diffracted sound Also note that the lower the ceiling the closer the loudspeaker should be placed to the listener oS 6 3 HOME THEATER Figure 6 Stereo Sound Application APPLICATIONS Left Center Right Position the center ww 7 channel loudspeaker directly over the television with the left and right speakers e e equidistant from the center The separation LCR LCR LCR between the left and right should not be more than the distance to the primary seating area Figure 7 Side Surround Effects CM7FX Position EX EX surround effects loudspeakers to the sides AN of the listening area with the tweeters in line e e with the listener The tweeters should point to the front and rear of the room Figure 7 P Rear Surround Effects CM7FX Position e Critical surround effects loudspeakers behind the FX Listening FX listening area to the inside of the front left Position
4. 7 Black Glass Fiber Tight Weave woofer cone 7 Black Glass Fiber Tight Weave woofer cone 8 Black Glass Fiber Tight Weave woofer cone 8 Black Glass Fiber Tight Weave woofer cone 8 Aluminum Ceramic woofer cone 8 Black Glass Fiber Tight Weave woofer cone Tweeter 1 Teteron 1 Nano Al Cer Tita Dual 1 Ultra Silk Dual 1 Teteron 1 Ultra Silk 1 Teteron 1 Nano Al Cer Tita Dual 1 Teteron Recommended 10 130 watts 10 160 watts 10 130 watts 10 140 watts 10 140 watts 10 140 watts 10 160 watts 10 130 watts Normal 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum 8 ohm nominal 6 ohm minimum Frame Dimensions 9 7 8 25 1 cm 9 7 8 25 1 cm 9 7 8 25 1 cm 9 7 8 25 1 cm 11 3 8 28 9 cm 11 3 8 28 9 cm 11 3 8 28 9 cm 11 3 8 28 9 cm Hole Cut Out 8 1 2 21 6 cm 8 1 2 21 6 cm 8 1 2 21 6 cm 8 1 2 21 6 cm 9 3 4 24 76 cm 9 3 4 24 76 cm 9 3 4 24 76 cm 9 3 4 24 76 cm WWW NILESAUDIO COM Depth 5 8 3 3 4 9 5 cm 3 3 4 9 5 cm 3 3 4 9 5 cm 3 3 4 9 5 cm 4 1 8 10 5 cm 4 1 8 10 5 cm 4 1 8 10 5 cm 4 1 8 10 5 cm
5. 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 CM 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 4 Installing a CM loudspeaker Mounting clamps require 1 clearance to the sides of the hole opening WWW NILESAUDIO COM PAINTING THE GRILLES INSTALLING THE GRILLES SWITCH ADJUSTMENTS TREBLE SWITCH PR AND HD MODELS The three position tweeter switch allows you to adjust the high frequency output of the loudspeaker to compensate for room acoustics The center position marked 0 does not affect the tweeter s output Moving the switch to the position reduces the tweeter output by 3 dB to compensate for bright rooms tile or wood floors sparse 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 DIFFUSE DIRECT SWITCH CM7FX Use the Diffuse setting for movies and general music listening since most films are mixed using non localized surround effects and music is usually recorded in a favorable acousti
6. profile MicroThin magnetically attached grilles provide the look that today s 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 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 flexibility 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 3 WNWW NILESAUDIO COM CM7BG CM7MP CM7PR CM7HD CM7SI CM8MP CM8PR CM8HD AND CM8SI 1 Niles CM loudspeaker 1 Magnetically attached round grill 1 Hole template with painting standoffs 1 Owner s manual 1 Warranty card PACKAGE CONTENTS FOR CM7FX 2 Niles CM7FX loudspeakers 2 Magnetically attached round grilles 2 Hole templates with painting standoffs 1 Owner s manual 1 Warranty card INSTALLATION CONSIDERATIONS Recommended tools for installation
7. CM CEILING MOUNT INSTALLATION GUIDE DESIGNER AESTHETICS AUDIOPHILE PERFORMANCE Lm SST ELL 2 LEFT CENTER RIGHT CEILING MOUNT LOUDSPEAKERS CM7PR CONGRATULATIONS Thank you for choosing the Niles CM Loudspeaker Series 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 C M 7M D Installation Considerations 4 Installing the Loudspeakers 6 C M 7 G Switch Adjustments 8 Painting the Grilles 8 Installing the Grilles 8 Applications 9 WWW NILESAUDIO COM NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 2 A NILES INTRODUCTION Niles CM Loudspeakers deliver an uncompromising combination of designer PARTS GUIDE PACKAGE CONTENTS FOR oriented aesthetics superb sound performance and ease of installation Small footprint and low
8. FORE CUTTING THE FIRST HOLE 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 2 54 cm to the sides of the mounting hole for the mounting clamps to secure the speaker to the drywall Each speaker requires two conductor wiring of sufficient gauge The gauge depends on the length of the wire For recommendations please refer to Figure 2 Stereo Input loudspeakers require four conductor wiring 1 Once you have determined a possible position for the hole cutout drill a 3 1 8 pilot hole just barely through the ceiling 1 2 to 5 8 deep in most JIS FLAG I SELON elu Luts Wire Gauge homes in the center of your proposed loudspeaker location BE VERY Less than 80 feet CAREFUL NOT TO DRILL THROUGH EXISTING WIRES PIPES OR STRUCTURE IF YOU FEEL ANY EXTRA RESISTANCE AS YOU ARE 80 to 200 feet DRILLING STOP More than 200 feet 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 Figure 2 Speaker Wire Gauge Guide 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 4 3 8 of depth for the CM7 Series and 4 3 4 of depth for the CM8 Series loudspeakers If
9. TANT 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 CONTINUED ON NEXT PAGE 5 _ WWW NILESAUDIO COM NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 6 A NILES 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 Figure 3 Spring loaded speaker wire connectors end Failure to do so will adversely affect the loudspeakers performance 9 Oncethe speaker wires are connected carefully slide the loudspeaker
10. c 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 The CM loudspeaker grilles can be painted without priming but the fabric scrim must first 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 fill in any holes If you do fill some holes use compressed air to open them before the paint dries It may be helpful to slightly dilute the paint to prevent it from clogging the grille holes 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 flush against the ceiling at all edges NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 8 A NILES APPLICATIONS Niles CM Loudspeakers are designed to be installed in any standard ceiling When choosing a location thought should be given to the sound coverage of the loudspeaker and ease of running the speaker wire Niles manufactures a large variety of speaker models for many different applications
11. e Cordless screwdriver e One inch 2 Phillips tip e 1 8 Drill bit e Drywall saw e Laser plumb bob e 12 14 Coat hanger wire 7 LOUDSPEAKERS These require an 8 1 2 21 6 cm diameter hole opening and a minimum of 4 3 8 11 1 cm depth when measured from the exterior face of the drywall To the sides of the hole you will need 1 2 54 cm for the mounting tabs to clamp the speaker to the drywall 8 LOUDSPEAKERS These require a 9 3 4 24 8 cm diameter hole opening and depth of 4 3 4 12 1 cm from the exterior face of the drywall To the sides of the hole you will need 1 e Measuring tape e Stud finder e Spackle e Wire stripper e Cable ties e Pencil e Painters tape e Drop cloth e Optional a 24 x 24 piece of R19 insulation CM7 3 5 16 8 4 cm CM8 4 1 8 10 5 cm Depth Behind Drywall Assuming 5 8 drywall CM7 8 1 2 21 6 cm CM8 9 3 4 24 8 cm Diameter Hole Opening a Figure 1 Required dimensions for installation in ceiling 2 54 cm for the mounting tabs to clamp the speaker to the drywall NILES AUDIO 1 800 BUY HIFI 1 760 710 0992 CONTINUED ON NEXT PAGE A NILES INSTALLATION CONSIDERATIONS CONTINUED INSTALLING THE LOUDSPEAKERS NOTE BE VERY CAREFUL WHEN LOCATING THE SPEAKERS VERIFY ALL LOCATIONS ARE It is often easier to lay the speakers out on the floor and then transfer the CLEAR OF OBSTRUCTIONS BE
12. 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 When running loudspeaker wire inside walls or ceilings use special jacketed cable CL 2 or CL 3 rating to protect the wire and for fire 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 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 Not for use with SI Speakers 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 IMPOR
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