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INSTALLATION GUIDE
F o r u s e i n d i s t r i b u t e d a u d i o o r h o m e t h e at e r s y s t e m s
indoor /outdoor Weather Proo F Louds Pea Kers
OS7 . 3 OS6.3 OS5.3
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CONGRATULATIONS! Thank you for choosing Niles OS Indoor/Outdoor Loudspeakers. With proper installation and operation, you’ll 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 TABLE OF CONTENTS Introduction 1 Features and Benefits 2 Parts Guide 4 Installation Considerations 6 Painting the L
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INTROUCTION d Niles once again raises the bar. With our first OS Indoor/Outdoor models, we revealed a radical new understanding of loudspeaker capabilities. Niles original OS Indoor/Outdoor Loudspeakers are constantly praised for their ability to deliver exemplary reliability and outstanding sound quality. These attributes have made Niles OS Indoor/Outdoor Loudspeakers the bestselling loudspeakers in their class. The goal of our new OS Indoor/Outdoor line-up is to raise this bar with refine
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FEATURES ANd BENEFITS LIMITEd LIFETIME WARRANTY We engineer bulletproof reliability into all OS loudspeakers and back them up with our industry- leading Limited Lifetime Warranty INTEGRATEd WOOFER/BAFFLE ASSEMBLY Increases the woofer cone-area to cabinet-width ratio for enhanced bass output. MICA-FILLEd POLYPROPYLENE WOOFER CONE Reduces breakup and lowers distortion. BUTYL-RUBBER WOOFER CONE SURROUNd Damps resonance and provides exceptional durability. ® ULTRASILk dOME TWEETER One-inch fluid-co
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RIGId, ACOUSTICALLY -INERT CABINET Prevents transmission of unwanted vibrations for clean and dynamic bass response. ALL-WEAThER vERSATILITY Reduces installation limitations to provide great sound from the beaches of Miami to the harsh winters of Minneapolis. hOME ThEATER APPLICABILITY Enables OS loudspeakers to be used as left, center, right, or surround loudspeakers in home theater systems. INTEGRATEd MOUNTING BRACkET ANd ShELF STANd Provide a variety of secure, quick and easy mounting solut
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PARTS GUIE d e a d b c d b d f g g Figure 1. OS .3 Series Parts Guide h a. Mounting Bracket b. Nail Hole c. Wire Hole d. Screw Hole e. Bracket Knob f. Grille e g. Cabinet h. Shelf Stand 4
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i j Figure 2. OS .3 Series Parts Guide (continued) i. Binding Posts j. Threaded Insert (1/4"-20 Thread size) NOTE: Bracket and Shelf Stand are used depending upon installation requirements. See InStaLLatIOn on page 14. niLes audio CorPoration – 1-800-buy -hiFi – 305-238-4373 5
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INSTALLATION CONSIERA d TIONS TOOLS ANd MATERIALS REqUIREd • Electric drill with 1/4- and 1/2-inc h drill bits, and a 1-inc h flat drill bit (for drilling through studs) • Thr ee scr ews or bolts suitable for the mounting surface • The proper scr ewdriver for the mounting har dw ar e • Safety cable (optional) • Cable ties • Wir e stripper • Pencil • Level • Rubber glo ves and protective ey ewear WIRING The OS loudspeakers connect to your receiver or amplifier u
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Figure 3. Wiring directly from a Figure 4. Incorporating a receiver or amplifier volume control RECOMMENdEd AMPLIFIER POWER For optimum performance, we recommend amplifiers with the following power ratings: • For the OS 5.3 loudspeaker, 5 to 100 W per channel • For the OS 6.3 loudspeaker, 5 to 125 W per channel • For the OS 7.3 loudspeaker, 5 to 150 W per channel Ironically, most loudspeakers are not damaged by large amplifiers but by small amplifiers. If you are playing at high vol
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PLACING LOUSPEA d ERS k FOR TE h BEST SOUNd qUALITY (continued) When using more than one pair, it is usually best to alternate a left channel and then a right channel, so that you have the best possible stereo coverage possible. The position of the loudspeakers and their surroundings play a very important role in how a stereo image is created. You should experiment to find the very best position for your loudspeakers. Here are some guidelines to make the process quick and easy. Speaker Plac
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You can control the loudspeaker’s bass output by placement. This is called the boundary effect. You will get more bass response by mounting the loudspeaker directly to a wall or other flat surface (any boundary close to the loudspeaker will reinforce the bass frequencies). You can increase the bass output even more by mounting the loudspeaker in a corner or under an eave (see Figure 6) This type of placement gives the loudspeaker two boundaries, thus reinforcing the bass sounds even more. O
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MOUNTING METhOdS (continued) Nail Mounting Screw Mounting Custom Bracket Mounting Figure 8. The OS loudspeakers can be mounted three ways. SAFETY FIRST! Be careful to use hardware that is designed for the surface you are mounting to. The OS 5.3 loudspeaker with the bracket weighs 5-1/2 pounds. The OS 6.3 loudspeaker with the bracket weighs 6-1/2 pounds. The OS 7.3 loudspeaker with the bracket weighs 9 pounds. We recommend using attachment methods capable of supporting ten times the weight o
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PAINTING TE h LOUdSPEAkER The enclosure, the brackets, and the grilles of the loudspeaker can all be painted to match the surroundings. Because we want you to preserve the acoustic qualities of the grille, please paint the grille according to the grille painting instructions. Make sure you pick a paint that is appropriate for the mounting location. There are interior and exterior paint types, and even paint for marine uses. If you are not sure what paint to use, consult a paint store profess
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PREPARING TO PAINT (continued) Figure 9. Removing the grille using an awl. 4. Mask off the thr eaded inserts on the top and bottom with masking tape . 5. Protect the front of the loudspeak ers b y inserting the supplied paint masks in place of the g rilles. PAINTING TE h CABINET , BRACET k NOBS, AN k B d RACET k 1. apply tw o thin coats of a sandable spr ay primer to the cabinet and knobs. The br ac k et doesn’t r equir e a coat of primer . 2. allo w the primer to dr y complet
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PAINTING ThE GRILLE The grille is important to the sound of the loudspeaker. Do not fill the holes of the grille with paint. The grille is constructed of aluminum with a perfectly-even powder coat overall. This powder coat is an ideal primer. If you are using a spray paint, use two thin coats without any primer. If you are using a compressor and a spray gun, use the finest, most diffuse setting. Practice on paper if you are not experienced in painting with spray paint. If you are using an ap
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INSTALLATION MOUNTING Th E BRACk ET (IF ATTACh ING Th E LOUd SPEAk ER TO A WALL, CEILING, BEAM, OR OThER SOLId STRUCTURE) 1. Loosen the br ac k et knobs and r emo ve the br ac k et from the loudspeak er . 2. Hold the br ac k et up to the mounting surface . The loudspeak er can be mounted either horizontally or vertically . Hold the br ac k et so that the loudspeak er wir e fits through the lar ge , cir cular wir e hole in the center of the br ac k et. align the br ac k et so it
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ATTAChING ThE FOOT (IF USING ThE LOUdSPEAkER IN FREE-STANdING MOdE) 1. Loosen the br ac k et knobs and r emo ve the br ac k et from the loudspeak er . 2. T ighten the top knob so it does not vibr ate . 3. Remo ve the bottom knob b y unscr ewing it from the cabinet. 4. Place the supplied shelf stand on the loudspeak er with the tw o shorter feet to w ar ds the front of the loudspeak er (see Figure 11). Mak e sur e the ridges on the shelf stand engage the ridges on the c
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CONNECTING ThE LOUdSPEAkER (continued) 4. if using the br ac k et to attac h to a solid surface , slide the loudspeak er onto the br ac k et. do not tighten the knobs completely . angle the loudspeak er so that the r ear ter minals ar e accessible . if using the shelf stand, position the loudspeak er on the stand and place it on the shelf or table wher e you w ant it. 5. Connect one stripped wir e end to the blac k ter minal and one to the r ed ter minal, using co
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1. Stand halfw ay between the loudspeak ers. 2. Play some music with the amplifier or r eceiver set to Mono . 3. Listen to the ric hness of the bass and the loudness of the sound. 4. T ur n off the amplifier and r everse the connections on one amplifier c hannel only . 5. Repeat the listening test with the same volume control setting . When the sound has a ric her bass and is slightly louder , the loudspeak ers ar e w orking together or “in-phase . ” OPERATION LISTEN
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SPECIFICATIONS OS 7.3 Loudspeaker OS 6.3 Loudspeaker OS 5.3 Loudspeaker Driver Complement Driver Complement Driver Complement • 7" mica-filled polypropylene • 6" mica-filled polypropylene • 5" mica-filled polypropylene woofer woofer woofer • 1" Ultrasilk dome tweeter • 1" Ultrasilk dome tweeter • 1" Ultrasilk dome tweeter with fluid cooling with fluid cooling with fluid cooling Recommended Recommended Recommended amplifier Power amplifier Power amplifier Power 5 to 150 watts per chan
