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Niles OS7.5 - page 1
OS 7. 5 OS 6.5 OS 5.5 MODELS OS 7. 5 OS 6.5 OS 5.5 Indoor/ Ou t door Loudspeaker s B LENDING H IGH F IDELITY AND A R CHITE CTURE ® INST ALLA TION & OPERA TION GUIDE DS00426ACN_OS_5.qxp 12/20/04 5:46 PM Page a ...
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Niles OS7.5 - page 2
CO N G RA TU LA TI ONS T hank you for c hoosing Niles OS Indoor/Outdoor loudspeakers. With proper installation and operation, y ou’ll enjoy y ears of trouble-free use. Niles manufactures the industry’ s most complete line of custom installation components and accessories for audio/video systems. T o learn more about Niles products, visit our we ...
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Niles OS7.5 - page 3
Niles once again raises the bar . W ith our first OS Indoor/Outdoor models we revealed a r adical new understanding of loudspeaker capabilities. Niles original OS Indoor/Outdoor loudspeakers are constantly praised for their ability to deli ver exemplary reliability and outstanding sound quality . T hese attributes ha ve made Niles OS Indoor/Outdoor ...
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Niles OS7.5 - page 4
P atent P ending Integr ated W oofer/Baffle Assembly Increases the woofer cone-area to cabinet-width r atio for enhanced bass output Interlaced Carbon Fiber W oofer Cone Reduces breakup and lowers distortion Butyl Rubber W oofer Cone Surround Damps resonance and provides exceptional dur ability Dispersion Stabilizer Distributes midrange tones for c ...
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Niles OS7.5 - page 5
Low Diffr action Grille and Fr ont Baffle Ensures that the sound wa ves emanating from the woofer and tweeter are not reflected by the surrounding parts of the loudspeaker for precise imaging and acoustical accurac y Rigid, Acoustically Inert Cabinet Prevents tr ansmission of unwanted vibr ations for clean and dynamic bass response All-W eather V e ...
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Niles OS7.5 - page 6
5 P ARTS GUIDE P AR TS GUIDE e a d d d b b c g g f j e DS00426ACN_OS_5.qxp 12/20/04 5:46 PM Page 4 ...
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Niles OS7.5 - page 7
6 P ARTS GUIDE P AR TS GUIDE F igure 1 OS .5 P ar ts Guide a. Mounting Brac ket b. Nail Hole c. Wir e Hole d. Scre w Hole e. Brac ket Knob f. Grille g. C abinet h. Binding P osts i. Threaded Insert (1/4"-20 Thread siz e) j. Shelf Stand NO TE: Bracket and Shelf Stand are used depending upon installation requirements. See Installation Instructio ...
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Niles OS7.5 - page 8
T ools and Materials Required • A wire stripper • A pencil • A level (optional) • T hree screws or bolts suitable for the mounting surface • T he proper screwdriver for y our mounting hardw are • A drill bit of the right size and type • An electric drill W iring T he OS loudspeakers connect to your recei ver or amplifier using 2-condu ...
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Niles OS7.5 - page 9
Recommended Amplifier P ow er F or optimum performance, we recommend an amplifier with a power rating of: fi ve (5) to one hundred (100) watts per c hannel for the 0S 5.5 loudspeaker; five (5) to one hundred twenty fiv e (125) watts per c hannel for the OS 6.5 loudspeaker; fiv e (5) to one hundred fifty (150) watts per c hannel for the OS 7.5 louds ...
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Niles OS7.5 - page 10
When using more than one pair , it is usually best to alternate a left channel and then a right channel, so that y ou hav e the best possible stereo cover age possible. T he position of the loudspeakers and their surroundings play a v ery important role in how a stereo image is created. Y ou should experiment to find the very best position for your ...
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Niles OS7.5 - page 11
If possible, mount the loudspeakers between eight and twelve feet high. T he less the downw ard angle of the loudspeaker , the further the sound will carry . If the sound is carrying into areas where y ou do not want sound, try pointing the loudspeakers more downw ard, this will reduce the amount of sound further aw a y from the loudspeaker . Y ou ...
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Niles OS7.5 - page 12
2. T he safest and most secure wa y to mount the loudspeaker is by screwing it to the mounting surface using your o wn hardw are (suitable for the surface you are mounting to) and the brac ket supplied with the loudspeaker ( See Figur e 7 ). 3. T here is a threaded brass insert (1/4" – 20) on the bac k of the OS loudspeakers for attaching a ...
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Niles OS7.5 - page 13
T he enclosure, the brackets, and the grilles of the loudspeaker can all be painted to match the surroundings. Because we w ant you to preserve the acoustic qualities of the grille, please paint the grille according to the grille painting instructions. Make sure you pic k a paint that is appropriate for the mounting location. T here are interior an ...
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Niles OS7.5 - page 14
2. Wipe off the sides of the cabinet, the brac ket, brac ket knobs, and grille with a damp cloth. Do not touch or rub the loudspeakers on the front baffle. Make sure everything is dry before masking. 3. Mask off the binding posts and the brass threaded inserts on the back panel with masking tape. 4. Mask off the threaded inserts on the top and bott ...
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Niles OS7.5 - page 15
14 P AINTING THE LOUDSPEAKER If you are using an applicator or brush and a can of paint, thin the paint first. T hick paint will tend to clog the grille holes. T o ensure a uniform appearance, paint the front and back of the grille. Replacing the Grille After the grille dries, carefully fit the grille into its recess so that it is barely in place. ...
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Niles OS7.5 - page 16
15 INST ALLA TION Mounting the Br acket (if attac hing the loudspeaker to a wall, ceiling, beam or other solid structure) 1. Loosen the brac ket knobs and remov e the bracket from the loudspeaker . 2. Hold the brac ket up to the mounting surface. T he loudspeaker can be mounted either horizontally or vertically . Hold the brac ket so that the louds ...
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Niles OS7.5 - page 17
16 Attaching the foot (if using the loudspeaker in a fr ee standing mode) 1. Loosen the brac ket knobs and remov e the bracket from the loudspeaker . 2. T ighten the top knob so it does not vibrate. 3. Remov e the bottom knob by unscrewing it from the cabinet. 4. Place the supplied shelf stand on the loudspeaker with the two shorter feet tow ards t ...
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Niles OS7.5 - page 18
17 INST ALLA TION 5. Connect one stripped wire end to the black and one to the red terminal. P ay attention to the markings on the wire. Each loudspeaker wire must be connected to the amplifier in the same wa y . 6. If required, attach the safety cable to the loudspeaker enclosure. See Safety F irst section for details. 7. V erify that the loudspea ...
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Niles OS7.5 - page 19
18 Listening at Higher V olumes Outdoors there are no walls to reflect and contain the sound. It requires more power to ac hieve a reasonable v olume of sound outside than it does when y ou are indoors. Y ou also frequently find yourself very far from the loudspeakers. It is possible to turn the volume so high that the amplifier runs out of po wer ...
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Niles OS7.5 - page 20
OS 7.5 Loudspeak er Recommended Amplifier P ow er 5W – 150W Nominal Impedance 8 ohms F requenc y Response 60Hz – 23kHz +/-3dB Sensitivity 91dB for 2.83V pink noise W iring Requirements Sixteen to eighteen gauge 2-conductor (unshielded or shielded) wire for runs up to eighty feet. F ourteen gauge 2-conductor (unshielded or shielded) wire for run ...
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Niles OS7.5 - page 21
PLEASE FILL OUT THE W ARRANTY REGISTRA TION C ARD ON THE REVERSE SIDE, DET A CH, AND MAIL T O: Niles A udio Corpor ation W arr anty Registr ation Dept. P .O. Bo x 1 608 1 8 Miami, Florida 33 1 1 6- 08 1 8 DET ACH HERE DS00426ACN_OS_5.qxp 12/20/04 5:46 PM Page 19 ...
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Niles OS7.5 - page 22
DET ACH HERE AND RETURN T O: Niles Audio Cor poration W arranty R egistration Dept. P .O. Box 1 60818 Miami, Florida 33 1 1 6- 0818 Model P urchased __________________ ____________ _____ ________________ _______ ________________ Serial Number _____________ ____________________________________________________________ Dat e Pur chased (month/day/year ...
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Niles OS7.5 - page 23
Niles Audio Corpor ation ("NILES") warrants its outdoor loudspeaker products to the original purc haser to be free of manufacturing defects in material and workmanship for a period of two years from date of pur chase. T his W arranty is subject to the following additional conditions and limitations. T he W arranty is void and inapplicable ...
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Niles OS7.5 - page 24
Niles Audio Corporation 1 233 1 S. W . 1 30 Street Miami, Florida 3 3 1 86 T el: (305) 238-43 73 F ax: (305) 238-0 1 85 P r inted in China ©2004 Niles Audio Corporation. All rights reserved. Niles r eser ves the right to change product specif ications without notice. Niles, the Niles logo and Blending High Fidelity and Architectur e are r egister ...
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