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INSTALLATION & OPERATION GUIDE
MODEL S
CM5HD
HIGH DEFINITION
CM6HD
HIGH DEFINITION
CM8HD
HIGH DEFINITION
®
BLENDING HIGH FIDELITY
®
AND ARCHITECTURE
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Congratulations! Thank you for choosing a High Definition Ceiling Mount Loudspeaker from Niles. With proper installation and operation, you'll enjoy years of trouble-free use. Niles manufactures the industry's most complete line of custom installation com- ponents and accessories for audio/video systems. For a free full line catalog write: Niles, Catalog Request, P.O. Box 160818, Miami, Florida 33116-0818 TABLE OF CONTENTS INTRODUCTION 2 FEATURES AND BENEFITS 2 INSTALLATION CONSIDERATIONS 4 SPEA
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Limited Warranty Limited Warranty Niles Audio Corporation ("NILES") warrants its loudspeaker products to the original purchaser to 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, inc
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WARRANTY REGISTRATION CARD Model Purchased______________________________ _____ ________________ _________________________________ Serial Number_____________ ____________________ ___________________________________________________ Date Purchased (month/day/year)_______ _____________________ _____ _________________________________ Dealer Name and Location________________ _____ ___________________________________________________ ___________________________________________ __________________________
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Features and Benefits Introduction The HD or High Definition group of perfect anywhere that quality of sound is ceiling mount Loudspeakers offers speak- the most important consideration. Each ers expressly designed for superior sonic model features Niles’ patented two-piece quality. They employ advanced technolo- no-strip speaker wire terminal which gy components designed to extract the reduces installation time. subtle nuances in recorded music or the thunderous action in a movie. They are F
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Features and Benefits Installer Selectable Acoustic 4 or 8 ohm Selectable Impedance Fine Tuning The dual voice coil feature of the Installers can select to de-emphasize the CM5HD, CM6HD and CM8HD gives the bass or treble by 2dB to accommodate installer flexibility to select the speaker’s reflective surfaces and corner loading. impedance — 4 ohms for systems where This selection is accomplished via baffle- maximum current transfer and output mounted controls that are accessible after level is de
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PLEASE FILL OUT THE WARRANTY REGISTRATION CARD ON THE REVERSE SIDE, DETACH, AND MAIL TO: Niles Audio Corporation Warranty Registration Dept. P.O. Box 160818 Miami, Florida 33116-0818 DETACH HERE
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Specifications Specifications CM8HD Driver Compliment 8" injection-molded TCC (talc, carbon and ceramic filled) with rubber surround 1" fluid-cooled ultra-wide dispersion tri-laminate Teteron tweeter in a custom pivoting coaxial enclosure Recommended Amplifier Power 10 to 150 watts per channel Nominal Impedance 4 or 8 ohm selectable Frequency Response 40Hz to 21kHz, +/- 3dB (on axis) Tweeter Adjustment Up to 20° pivot angle Sensitivity 90dB for 2.83 volts of Pink Noise Overall Exterior Frame Di
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Installation Considerations Installation Considerations Recommended Amplifier Power is playing loudly, a small amplifier will For satisfactory performance, we recom- run out of power very quickly. When an mend an amplifier with a power rating of amplifier runs out of power it creates dam- 10 to 100 watts for the CM5HD; 10 to aging “clipping” distortion. A large ampli- 125 watts for the CM6HD and 10 to 150 fier will play at the same volume without watts for the CM8HD. Curiously, most distorting.
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Installation Considerations In a multiroom system there is one indis- building contractor, or the local building pensible device for true convenience—a and inspection department. local volume control. It enables you to Incorporating Remote Control adjust the volume of the speakers without If your stereo system operates with a wire- leaving the room. less Infrared (IR) remote control, consider Plan to wire the system so that each pair the advantages of installing a Niles Infrared of speakers ha
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Specifications Specifications CM6HD CM5HD Driver Compliment Driver Compliment 6-1/2" injection-molded TCC (talc, carbon 5-1/4" injection-molded TCC (talc, carbon and ceramic filled) with rubber surround and ceramic filled) with rubber surround 1" fluid-cooled ultra-wide dispersion 1" fluid-cooled ultra-wide dispersion tri-laminate Teteron tweeter in a custom tri-laminate Teteron tweeter in a custom pivoting coaxial enclosure pivoting coaxial enclosure Recommended Amplifier Power Recommended Am
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Operations Operation Listening at Higher Volumes It requires more power to achieve a reason- able volume of sound in a large room than it does in a small room. It is possible (even if you are not a teenager) to turn the volume so high that the amplifier runs out of power. This creates “clipping” distortion. Clipping distortion makes treble sound very harsh and unmusical. When you hear harsh sounding treble from any good speaker, turn the volume down immedi- ately! Those harsh sounds are masking
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Speaker Placement or reflected off of furniture or other objects. You should have a direct line of Speaker Placement sight with the front of the speaker. To Although the CM5HD, CM6HD and determine the best position, measure the CM8HD have extensive ability to compen- “listening” distance between the ideal lis- sate for unusual placements with their tening position (your favorite chair or unique pivoting tweeters and acoustic fine- couch) and the location in which you plan tuning switches; pla
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Speaker Placement Listening Positions speakers can be placed near corners to If you want the freedom to sit anywhere in create more reflected sound. By directing a room facing any direction, and/or find the tweeters to point away from the listen- that you prefer the “all around you” sound er, so they create as much reflected sound of some car stereos to a conventional as possible, you emphasize the ambient “sound stage” facing you, consider the effect. The more reflected sound there is speaker p
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Final Installation in New or Existing Construction results will be obtained by using a spray gun or airless sprayer, thinning the paint (prevents clogging of the grille holes), and by applying several light coats instead of one heavy one. Speaker Phase Speaker wire has two conductors. One conductor is attached to the negative (-) terminals and one conductor is attached to the positive (+) terminals of both your Figure 17 speaker and your amplifier. Usually, the Tightening the wire is marked for
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Final Installation in New or Existing Construction 6. Insert the no strip terminal into the corresponding socket on the rear of Final Installation in New the speaker. Push it down until it locks in place. The terminal will only fit in or Existing Construction the socket in one direction. If the ter- minal does not properly seat, reverse 1. If it is possible to lay a batt of insulation the terminal into the ceiling cavity do so. Remember 7. On both models, there are four clamps to use equal amou
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Speaker Placement However, as you move the speaker far- is built into a typical surround sound ther away from the listener, both the receiver or amplifier. Niles makes a num- reflected and the direct sound will dissi- ber of Systems Integration Amplifiers with pate, requiring more power from your proprietary features that make them uniquely suited to enhance a good sur- surround sound amplifier channels. If the round sound system. Consult your local surround sound system you are using has Niles
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Installation Fundamentals Side-by-side wiring is unavoidable in par- Installation ticular spots in every house, just move the speaker wire route away as soon as possi- Fundamentals ble. If construction forces a side by side run for more than ten feet, install metal Running the Speaker Wire in New conduit or shielded speaker wire. Low- Construction voltage wires such as doorbells, inter- If you have doubts about whether you are coms, telephone, security, or television capable of installing a Nile
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Installation in Existing Construction Figure 12 Installation in Existing Construction IMPORTANT: Before you cut into any wall, review the sections on running wire and speaker placement. 1. When determining the location of the speaker 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 hand-knocking. 5. If you are cutting drywall use a sheet
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Installation in New Construction The wings and brackets have centering lines to simplify placement of the speakers. Installation in New Screw one side of the assembled bracket Construction with wings to the joist using one of the supplied screws. Level the bracket. Screw Insulating the Ceiling Cavity the other side of the bracket/wing assem- If feasible, fill the ceiling cavity with insu- bly to the joist. Two screws on each side lation at this point. make for a very secure installation. Secure
