Niles Audio Speaker CM760DS User Manual

I N S T A L L A T I O N G U I D E  
CM730DS  
CM750DS  
CM760DS  
H I G H P E R F O R M A N C E C E I L I N G L O U D S P E A K E R S  
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CONGRATULATIONS!  
Thank you for choosing a CM730DS, CM750DS or CM760DS loudspeaker from Niles. With proper installation and operation, you will 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  
PACKAGE CONTENTS  
Each package contains one pair of CM730DS, CM750DS or CM760DS loudspeakers; 1 pair of Aluminum MicroPerf™ Grilles and 1 pair of  
cardboard paint mask/hole cutout templates.  
INSTALLATION CONSIDERATIONS  
We recommend using the following tools and material to install your Niles CM loudspeaker:  
• Cordless drill with 1/4 – and 1/2-  
inch drill bits and a 1-inch paddle  
drill bit (for drilling through studs)  
• Keyhole or drywall saw  
• Phillips screwdriver set  
• Wire stripper  
• Stiff wire, fish tape or glow rods  
for routing cables  
• Stud finder  
• Rubber gloves and protective  
eyewear  
• Cable ties  
• Pencil  
Before starting the installation, please observe the following precautions:  
• Turn off all system power before  
making any connections  
• Make sure hands are clean before  
installation  
• Always wear protective eyewear  
when using tools  
• Wear gloves when working with  
fiberglass insulation  
RUNNING WIRES IN WALLS OR CEILINGS  
When running loudspeaker wire inside walls or ceilings, use special jacketed cable (a minimum of 16-gauge two-conductor CL-2 or CL-3  
rated loudspeaker wire) to protect the wire and for fire prevention. In some areas, conduit is also required. For a trouble-free installation,  
low-voltage wire 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.  
SELECTING THE LOCATION FOR YOUR LOUDSPEAKERS  
The CM700DS series loudspeakers are designed to be installed in any standard ceiling. There are two considerations for placing the  
loudspeaker; ease of running the cable to the loudspeaker and coverage of the loudspeaker. The best stereo effect will be achieved if both  
the loudspeakers are at equal distance from the listener and closer together than the listener is from the loudspeakers. Avoid installing the  
loudspeakers near corners to prevent a “boomy” or diffracted sound. The CM700DS series loudspeakers will cover an area of a circle with  
a 16-foot diameter when mounted at an 8-foot height and pointed straight down. (See Figure 1)  
EXISTING CONSTRUCTION INSTALLATION  
IMPORTANT: BEFORE YOU CUT INTO ANY WALL, REVIEW THE PRIOR SECTION ON LOUDSPEAKER PLACEMENT WHEN SELECTING THE  
LOCATION FOR YOUR LOUDSPEAKERS.  
1. When determining the location of the loudspeaker cutout, keep in mind that the mounting dogs will extend 3/4” beyond the cutout.  
Make sure that you do not place the edge of the cutout directly next to a ceiling joist. Locate the joists using a stud sensor or by hand  
knocking. Use the supplied cutout template (remove the largest perforated circle and use cardboard square with hole as the template) to  
determine how large of a hole you will need to cut. These templates are packed with your loudspeakers between the styrofoam packing  
and the ends of the box.  
2. Once you have determined a possible position for the 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.  
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3. 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 4-3/8” of depth. If the wire’s movement is obstructed by anything, fill the hole(s) with spackle and try  
another location.  
4. If the coat hanger moves freely in a complete circle and you have sufficient depth, hold the template up to the ceiling surface. The  
cardboard square with the circular hole is the template. The inner perforated circle within the larger circle that was removed in step 1  
earlier is the paint mask. Keep it for painting the loudspeaker later. Outline the circular cutout on the ceiling surface lightly with a pencil.  
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.  
NEW CONSTRUCTION INSTALLATION  
INSULATING THE WALL CAVITY  
If feasible, fill the wall cavity with insulation at this point.  
MOUNTING THE NEW CONSTRUCTION BRACKET  
The optional CM700DS BKT can be used with the CM730DS, CM750DS or CM760DS loudspeakers. The hole saving bracket enables a  
faster and cleaner final installation of the loudspeaker. It forces the drywall installer to cut out the loudspeaker hole for you and provides  
wire ties for the loudspeaker wire, reducing the risks of accidental loss or movement of the wire. In addition, it enables you to align your  
loudspeakers with other ceiling fixtures with great accuracy since you can really see exactly where the loudspeaker will be. To install the  
bracket, first pivot the long wing out until it stops, which will be in straight line with the short wing. The wings and brackets have centering  
lines to simplify placement of the loudspeakers. Screw one side of the assembled bracket with wings to the joist using one of the supplied  
screws. Level the bracket. Screw the other side of the bracket/wing assembly to the joist. Two screws on each side make for a very secure  
installation. Secure the wire to the bracket using bracket’s wire tie tab. The drywall installers will cut the drywall to the exact size of the  
bracket. (See Figure 2)  
CONCEALING LOUDSPEAKER WIRE FOR A FUTURE INSTALLATION  
Attach the loudspeaker wire in a loop between the ceiling joists and carefully mark the exact location of the wire on a set of plans. Ask the  
general contractor to inform the drywall installers that the loudspeaker wire loops are concealed for future installations.  
UNPACKING AND FINAL INSTALLATION  
1. Remove the top piece of styrofoam from the box. You will find two loudspeakers bagged in a lower portion of packing. Remove the  
loudspeaker from the bag. The metal grille is installed on the loudspeaker and will need to be removed. This is easily done by pulling on  
the small black fabric strap.  
2. Remove the loudspeaker module from the frame by turning the loudspeaker assembly counter-clockwise using the two tabs provided.  
Place the loudspeaker assembly to the side when removed for installation after the frame has been mounted. Take care to place it so  
that the woofer, tweeter or crossover on the rear are not damaged. (See Figure 3)  
3. Insert the frame into the hole by carefully holding it with both hands and angling it slowly into the hole until the frame is flush with the  
ceiling. Holding it in place carefully with one hand, use a cordless drill to begin mounting the frame.  
4. Tighten the four ‘dog’ screws using a #2 Phillips bit. Use low torque and low speed or you may damage the frame. 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.  
IMPORTANT: DO NOT OVER TIGHTEN THE SCREWS! OVER TIGHTENING THEM MAY MAKE THE GRILLE DIFFICULT TO INSTALL  
5. At each loudspeaker location, route the wire through the installed frame, 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 individual loudspeaker wire.  
6. Retrieve the loudspeaker module removed from the frame in step 2.  
7. Press down each spring-loaded connector one at a time, insert the appropriate conductor and then release the connector. Check to be  
sure that the connector is making contact with stripped wire and not the wire jacket. Gently tug on the loudspeaker wire to make sure it  
is held in place. If not, repeat this procedure until it is.  
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Figure 1. Typical placement for stereo listening.  
Figure 2. New construction bracket.  
Figure 6. Treble level control.  
Figure 3. Installing the loudspeaker.  
Figure 4. Tweeter adjustment. Figure 5. Woofer adjustment. Figure 7. Presence level control.  
SPECIFICATIONS  
Recommended  
Normal  
Frequency  
Frame  
Hole Cut-Out Depth Behind  
Model  
Sensitivity  
Amplifier Power Impedance Response  
Dimensions Dimensions  
Ceiling  
CM730DS  
Twist and Lock™  
90 dB with  
2.83 V pink  
noise input  
measured  
at 1 meter  
on axis  
mechanism with Directed  
Soundfield™ patented  
fully pivoting assembly  
featuring one 7"  
polypropylene woofer with  
butyl rubber surround and  
one 1" UltraSilk™ tweeter  
with fluid cooling.  
8 ohm  
nominal;  
6 ohm  
10 to 125 watts  
per channel  
55Hz - 21kHz  
+/-3dB  
11 inches  
9-3/4 inches  
5-3/4 inches  
minimum  
CM750DS  
Twist and Lock™  
90 dB with  
2.83 V pink  
noise input  
measured  
at 1 meter  
on axis  
mechanism with Directed  
Soundfield™ patented  
fully pivoting assembly  
featuring one 7" Injection-  
molded TCC™ woofer  
with butyl rubber surround  
and one 1" Teteron®  
tweeter with fluid cooling.  
8 ohm  
nominal;  
6 ohm  
10 to 125 watts  
per channel  
52Hz - 21kHz  
+/-3dB  
11 inches  
9-3/4 inches  
5-7/8 inches  
minimum  
CM760DS  
Twist and Lock™  
mechanism with  
90 dB with  
2.83 V pink  
noise input  
measured  
at 1 meter  
on axis  
Directed Soundfield™  
patented fully pivoting  
assembly featuring one  
7" Interlaced glass fiber  
woofer with butyl rubber  
surround and one 1"  
Teteron® tweeter with  
fluid cooling.  
8 ohm  
nominal;  
6 ohm  
10 to 150 watts  
per channel  
48Hz - 21kHz  
+/-3dB  
11 inches  
9-3/4 inches  
5-7/8 inches  
minimum  
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TECHNICAL SUPPORT  
IF YOU HAVE QUESTIONS ABOUT THE INSTALLATION OR OPERATION OF THIS OR ANY OTHER NILES PRODUCT,  
PLEASE CALL OUR TECHNICAL SUPPORT DEPARTMENT AT 1-800-BUY-HIFI (1-800-289-4434). SUPPORT IS  
AVAILABLE WEEKDAYS 8:00 A.M. TO 7:00 P.M. EASTERN TIME WITH THE EXCEPTION OF HOLIDAYS.  
LIMITED WARRANTY  
NILESAUDIOCORPORATION(“NILES”)WARRANTSITSLOUDSPEAKERPRODUCTSTOTHEORIGINALPURCHASERTO  
BE FREE OF MANUFACTURING DEFECTS IN MATERIAL AND WORKMANSHIP FOR A PERIOD OF FIVE YEARS FROM  
DATE OF PURCHASE.  
THIS WARRANTY IS SUBJECT TO THE FOLLOWING ADDITIONAL CONDITIONS AND LIMITATIONS. THE WARRANTY  
IS VOID AND INAPPLICABLE IF NILES DEEMS THAT THE PRODUCT HAS BEEN USED OR HANDLED OTHER THAN IN  
ACCORDANCE WITH THE INSTRUCTIONS PROVIDED BY THE MANUFACTURER, INCLUDING BUT NOT LIMITED TO  
DAMAGE CAUSED BY ACCIDENT, MISHANDLING, IMPROPER INSTALLATION, ABUSE, NEGLIGENCE, OR NORMAL  
WEAR AND TEAR, OR ANY DEFECT CAUSED BY REPAIR TO THE PRODUCT BY ANYONE OTHER THAN NILES OR AN  
AUTHORIZED NILES DEALER.  
TO OBTAIN WARRANTY SERVICE, TAKE THE UNIT TO THE NEAREST AUTHORIZED NILES DEALER, WHO WILL  
TEST THE PRODUCT AND IF NECESSARY, FORWARD IT TO NILES FOR SERVICE. IF THERE ARE NO AUTHORIZED  
NILES DEALERS IN YOUR AREA, YOU MUST WRITE TO NILES AND INCLUDE YOUR NAME, ADDRESS, MODEL AND  
SERIAL NUMBER OF YOUR UNIT, ALONG WITH A BRIEF DESCRIPTION OF THE PROBLEM. A FACTORY RETURN  
AUTHORIZATION NUMBER WILL BE SENT TO YOU. DO NOT RETURN ANY UNIT WITHOUT FIRST RECEIVING WRITTEN  
AUTHORIZATION AND SHIPPING INSTRUCTIONS FROM NILES.  
IF THE ABOVE CONDITIONS ARE MET, THE PURCHASER’S SOLE REMEDY SHALL BE TO RETURN THE PRODUCT TO  
NILES, IN WHICH CASE NILES WILL REPAIR OR REPLACE, AT ITS SOLE OPTION, THE DEFECTIVE PRODUCT WITHOUT  
CHARGE FOR PARTS OR LABOR. NILES WILL RETURN A UNIT REPAIRED OR REPLACED UNDER WARRANTY BY  
SHIPPING SAME BY ITS USUAL SHIPPING METHOD FROM THE FACTORY (ONLY) AT ITS EXPENSE WITHIN THE  
UNITED STATES OF AMERICA. THERE ARE NO OTHER WARRANTIES, INCLUDING WITHOUT LIMITATION, EITHER  
EXPRESS OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, WITH  
RESPECT TO THE PRODUCT.  
REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS WARRANTY IS THE EXCLUSIVE REMEDY OF THE CONSUMER/  
PURCHASER. NILES SHALL NOT BE RESPONSIBLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EXCEPT TO  
THE EXTENT PROVIDED (OR PROHIBITED) BY APPLICABLE LAW.  
SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES,  
SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND  
YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.  
FOR THE NAME OF YOUR NEAREST AUTHORIZED NILES DEALER CONTACT:  
NILES AUDIO CORPORATION, P.O. BOX 160818, MIAMI, FLORIDA 33116-0818.  
BL E N D I N G HI G H FI D E L I T Y AN D AR C H I T E C T U R E ®  
N i l e s A u d i o C o r p o r a t i o n  
1 2 3 3 1 S . W . 1 3 0 S t r e e t M i a m i , F l o r i d a 3 3 1 8 6  
P h o n e : 3 0 5 - 2 3 8 - 4 3 7 3 F a x : ( 3 0 5 ) 2 3 8 - 0 1 8 5  
w w w . n i l e s a u d i o . c o m  
©2007 Niles Audio Corporation. All rights reserved. Niles and the Niles logos are registered trademarks  
of Niles Audio Corporation. All other trademarks are the property of their respective owners. U.S. Patent # 6,683,963. DS00537A  
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