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Niles Audio CM8SW - page 1
B LENDING H IGH F IDELITY AND A R CHITE CTURE ® INST ALLA TION & OPERA TION GUIDE ® INST ALLA TION & OPERA TION GUIDE SUBWOOFER CM 8 S W ...
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Niles Audio CM8SW - page 2
Congratulations! Thank you for choosing a Niles ceiling mount loudspeaker. With proper installation and operation, you'll enjoy years of trouble-free use. The CM8SW is a ceiling mount subwoofer uniquely designed to provide unobtrusive low frequency augmentation. The selectable high and low-pass filters make it suitable for use with a wide vari ...
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Niles Audio CM8SW - page 3
Fea t ur es and Benefits TCC Speaker Cone The Niles CM8SW is a high-performance passive subwoofer that compliments the entire Niles ceiling mount loudspeaker line. It’s dual voice-coil injection molded TCC (talc, carbon and ceramic) woofer provides outstanding bass response High-Power Handling The CM8SW employs an exceptionally heavy-duty magnet/ ...
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Niles Audio CM8SW - page 4
Infinite Baffle Design The CM8SW is designed for optimum low frequency reproduction in traditional ceil- ing environments and varying air volumes. It does not require a special enclosure to provide high performance. Selectable High-Pass Filter Installers can also select whether or not to filter the low frequencies from the satellite speakers at a f ...
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Niles Audio CM8SW - page 5
Ho w Man y Sub w oo f er s? 4 Ho w Man y Sub w oof er s? For most applications a single CM8SW is appropriate. However, in large rooms, high performance listening rooms or in home theaters, an array of two or more CM8SW will deliver astounding results. Unlike other subwoofer systems, a Niles Subwoofer Array is concealed. Consider the distance betwee ...
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Niles Audio CM8SW - page 6
Connections Single Stereo Subwoofer A four conductor (Left+, Left-, Right+ and Right- ) wire 16 gauge or larger (see side- bar on speaker wire gauge) is run from the amplifier location to the local volume control (See Figure 4) . From the local volume control the four conductor cable is run to the CM8SW and connected to the Input connectors. A two ...
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Niles Audio CM8SW - page 7
6 Connections the left and right speakers simultaneously. Additionally, the crossovers are now con- nected so that the crossover switches can be adjusted to your requirements. You must adjust the crossovers on each speaker with this hook-up. Optionally, a jumper of wire may be connected between the L+ and the R+; and between the L- and the R-. This ...
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Niles Audio CM8SW - page 8
Impedance With One or Two Subwoofers When one or two CM8SW subwoofers are connected to the satellite speakers, the overall system impedance to the amplifier lowers. System Impedance in Ohms ( Ω ) One or Two Subwoofers 8 Ω Sats 4 Ω Sats 1 Sub 4 Ω 2.6 Ω 2 Subs @8 Ω each 4 Ω 2.6 Ω 2 Subs @4 Ω each 2.6 Ω 2 Ω If the impedance is to ...
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Niles Audio CM8SW - page 9
Using Speaker Selectors With Standard Volume Controls In multi-room systems with standard vol- ume controls any Niles speaker selector will maintain a four ohm load if you leave one set of room outputs unused for every speaker system with an impedance of less than four ohms (such as a CM8SW con- nected to a pair of four ohm satellite speakers). The ...
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Niles Audio CM8SW - page 10
T r eat ment & Placemen t Typically, sheetrock encloses the sub- woofer in most installations. Sheetrock has a fairly loud resonant “twang” compared to the rigid non-resonant enclosures of most floor standing subwoofers. None of the following modifications are absolutely necessary, however any one or combina- tion of them will improve the p ...
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Niles Audio CM8SW - page 11
Inst allation F undament als Introduction If you have doubts about whether you are capable of installing a ceiling mount speak- er, consult a Niles dealer or professional installer. They have special tools, tech- niques, and experience to make the impos- sible possible. The installer can provide you with an estimate before any work is done. Running ...
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Niles Audio CM8SW - page 12
1 1 Ins t allation F undamen t als bottom of the ceiling joists. Then work backward so that you can always see the holes you have already drilled. Paying care- ful attention to this will save you a lot of time later on! Pulling the Cable Pull the cable in sections (from the stereo to the volume control, from the volume con- trol to the speaker). St ...
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Niles Audio CM8SW - page 13
switch or receptacle, and shining a penlight into the wall. If you have access to an attic or base- ment space you can quickly see which part of the wall space is free of obstructions (See Figure 12) . When you don’t have access above or below the wall, try to estimate the existing wire and pipe locations from the positions of electrical outlets ...
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Niles Audio CM8SW - page 14
In traditional wood ceiling joist/ drywall construction you should first cut the hole for the speaker and utilize the large hole to auger holes across the ceiling (through the ceiling joists) for as far as your drill bit will take you. Sometimes, you will need to use the “notching” technique to reach areas your drill bit won’t reach or to tur ...
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Niles Audio CM8SW - page 15
Inst allation in Ne w Construc tion Stage One: Before Drywall is Hung Insulating the Wall Cavity. If feasible, fill the wall cavity with insulation at this point . Mounting The CM8 Series New Construction Bracket The hole saving bracket enables a faster and cleaner final installation of the speaker. It forces the drywall installer to cut out the sp ...
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Niles Audio CM8SW - page 16
Inst allation in Existing Constr uction 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 ...
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Niles Audio CM8SW - page 17
Final Ins t allation in Ne w or Existing Constr uction 1. If it is possible to lay a batt of insulation into the ceiling cavity, do so. Remember to use equal amounts of insulation for each speaker. 2. Separate the speaker wire so that at least two inches of each conductor are free. 3. Open the no-strip terminal by applying pressure to the red and b ...
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Niles Audio CM8SW - page 18
Painting the Speakers All models may be painted. The plastic will readily accept most paints. The speakers must be masked prior to painting them. The inside circular portion of the hole template can be used as a paint mask. Remove the outside portion of the template by gently pulling along the perforation. Affix the mask to the front of the speaker ...
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Niles Audio CM8SW - page 19
Oper ation Congratulations A concealed CM8SW subwoofer installation frees you to use your tone controls, play the sys - tem loudly and enjoy deep extended bass, even if your satellite speakers are small. When used with satellite speakers that have substantial bass of their own, the CM8SW tightens the deep tones and augments the bass musically. List ...
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Niles Audio CM8SW - page 20
Specifications CM8SW Driver Complement 8” dual voice-coil injection molded TCC (Talc, carbon and ceramic-filled) woofer with butyl rubber surround Design Principle Infinite baffle for large and varying air volumes Recommended Amplifier Power 10 to 150 watts per channel Impedance 8 ohm Frequency Response 35 – 140Hz, +/- 3dB Sensitivity 90 dB for ...
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Niles Audio CM8SW - page 21
DETACH HERE AND RETURN TO: Niles Audio Corporation, Inc. Warranty Registration Dept. P .O. Box 160818 Miami, Florida 3 3 1 16 - 0818 M o d e l P u r c h a s e d __________________ ____________ _ ____ _ _______________ _ ______ _______ ___________________ Serial Number_ _ _ _ _ _ _ _ _ _ __ _ _____________ _______ _ ________________________ _______ ...
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Niles Audio CM8SW - page 22
PLEASE FILL OUT THE W ARRANTY REGISTRA TION C ARD ON THE REVERSE SIDE, DET A CH, AND MAIL T O: Niles Audio Corpor ation W arr anty Registr ation Dept. P .O. Box 1 608 1 8 Miami, Florida 33 1 1 6-08 1 8 DETACH HERE ® ...
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Niles Audio CM8SW - page 23
Limit ed Warr anty 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 inappli ...
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Niles Audio CM8SW - page 24
© 2004 Niles Audio Corporation. All Rights Reserved. Niles, the Niles logo, and Blending High Fidelity and Architecture are registered trademarks of Niles Audio Corporation. MicroPerf is a trademark of Niles Audio Corporation. All other trademarks are the property of their respective owners. Because we constantly strive to improve our products, Ni ...
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