Niles Audio CM860 User's Manual
Contents
1. NILES CONGRATULATIONS Thank you for choosing a CM830 CM850 or CM860 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 One pair of CM830 CM850 or CM860 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 e Cordless drill with 1 4 and 1 2 e Keyhole or drywall saw inch drill bits and a 1 inch paddle drill bit for drilling through studs Phillips screwdriver set e Stiff wire fish tape or glow rods Wire stripper for routing cables e Stud finder Rubber gloves and protective Cable ties eyewear Pencil Before starting the installation please observe the following precautions Turn off all system power before Make sure hands are clean before making any connections installation Always wear protective eyewear Wear gloves when working with when using tools fiberglass insulation RUNNING WIRES IN WALLS OR CEILINGS When running loudspeaker wire inside walls or ceilings use special jacketed cable a minimum of 18 to 16 gauge two c2. All other trademarks are the property of their respective owners DS00604B
3. 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 CM800 BKT can be used with the CM830 CM850 or CM860 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 a straight line with the short wing The wings and brackets have centering lines to simplify plac
4. ement 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 the 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 Remove the top piece of stryofoam 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 rotating the mounting dogs out with your fingers and pulling them towards the front of the loudspeaker This will push the screw heads against the inside of the grille to work it out of the baffle See Figure 3 par 2 At each loudspeaker location route the wire 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 indiv
5. idual loudspeaker wire 3 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 IMPORTANT OBSERVE CORRECT POLARITY POSITIVE GOES TO THE RED POST AND NEGATIVE GOES TO THE BLACK POST 4 Rotate dogs back to their original positions so that they do not protrude out from the diameter of the loudspeaker 5 Insert the loudspeaker 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 do not push against the woofer or tweeter use a cordless drill to begin mounting the loudspeaker 6 Tighten the four screws using a 2 Phillips bit Use low torque and low speed or you may damage the loudspeaker 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 7 Direct the tweeter The tweeter is directed by gently pressing on the outer edge of the tweeter housing It will move up to 20 degrees in any direction For cr
6. itical listening direct the tweeter towards the user s favorite listening position For surround sound or low volume background listening create more reflections and thus more ambiance by directing the tweeter towards the sidewalls See Figure 4 8 Set the Treble level control CM860 only Listen to a well recorded piece of music at the user s favorite listening position Listen for treble harshness or ringing particularly when the loudspeakers are placed in a room without carpet Use the 3dB Treble cut position to correct Listen for dull or muffled upper frequencies particularly when the loudspeakers are installed in an area with thick carpet or fabric wall coverings Use the 3dB Treble boost position to correct See Figure 5 9 Install the MicroPerf grille Start by positioning one edge of the grille slightly inside the loudspeaker Gently work around the loudspeaker a little at a time until the grille is fully seated Don t try to insert the grille fully in any one area as this will make complete installation more difficult Don t force the grille to fit as you may damage the grille if you apply too much force 10 Connect the other end of each loudspeaker wire to the receiver or amplifier carefully observing polarity 11 Turn on the receiver or amplifier and test all loudspeakers in the system PAINTING THE GRILLE AND FRAME Each CM830 CM850 amp CM860 loudspeaker and flush mount metal grille may be painted without the need fo
7. ll 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 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
8. meter 11cm fluid cooled 1 UltraSilk minimum at 1 meter tweeter with fluid cooling on axis CM850 91 dB with 8 TCCTM talc carbon d ceramic woofer with 8 onm 2 83 V pink 40 5 8 inches 9 1 2 inches Pe ie N 10 to 150 watts nominal 49Hz 21kHz noise input 27cm e Be 4 3 8 inches utyl rubber surroun per channel 6 ohm 3dB measured 11cm and one fluid cooled 1 T diameter diameter LEE minimum at 1 meter Teteron tweeter with fluid anakis cooling CM860 91 dB with 8 Interlaced glass fiber 8 ohm 2 83 V pink TT ri woofer with butyl rubber 10 to 150 watts nominal 49Hz 21kHz noise input 10 oa a aa 4 3 8 inches surround and one fluid per channel 6 ohm 3dB measured diameter diameter 11cm cooled Teteron tweeter minimum at 1 meter with fluid cooling on axis 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 1 305 238 4373 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 NILES BLENDING HIGH FIDELITY AND ARCHITECTURE Niles Audio Corporation 12331 S W 130 Street Miami Florida 33186 1 305 238 4373 1 800 BUY HIFI www nilesaudio com 2007 Niles Audio Corporation All rights reserved Niles and the Niles logos are registered trademarks of Niles Audio Corporation
9. onductor 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 CM800 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 CM800 series loudspeakers will cover an area of a circle with a 16 foot diameter when mounted at an 8 foot height 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 wi
10. r primer 1 Install loudspeaker into ceiling or wall following the previous steps 1 7 2 Remove the smallest perforated circle from the cardboard square template This is the paint mask that protects the loudspeaker from paint Gently press it into place inside the baffle 3 Paint the frame of the loudspeaker 4 Paint the grille separately from the loudspeaker frame 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 5 Gently remove the paint mask after paint has dried by pressing in the tab in the center and carefully pulling out the mask with your finger Be very careful not to poke the tweeter with your finger 6 Finish installation of the loudspeaker following the previous steps 8 10 F e Figure 1 Typical placement for stereo listening Figure 3 Mounting dog rotation Figure 4 Tweeter adjustment Figure 5 Treble Level Control NILES Recommended Normal Frequency Sensitivit Frame Hole Cut Out Depth Behind Amplifier Power Impedance Response Y Dimensions Dimensions Ceiling CM830 91 dB with 8 polypropylene woofer 8 ohm 2 83 V pink LT cia with treated urethane 10to 125 watts nominal 49Hz 21kHz noise input 10 5 8 inches 9 1 2 Inches 4 3 8 inches per channel 27cm 24cm surround and one 6 ohm 3dB measured diameter dia
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