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INSTALLATION & OPERATION GUIDE
MODEL
MODEL
OS-20
OS-20
Indoor/Outdoor Loudspeaker.
Niles Audio
Corporation
12331 S.W. 130 Street
®
Miami, Florida 33186
Tel: (305) 238-4373
Fax: (305) 238-0185
©1999 Niles Audio Corporation. DS00199A
B LENDING H IGH F IDELITY
Printed in Taiwan
®
AND A R CHITE C TURE
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CONGRATULATIONS INTRODUCTION Thank you for choosing the OS-20 Indoor/Outdoor Loudspeaker from Niles. With proper installation and operation, you'll enjoy years of trouble-free use. The OS-20 marries unparalleled listening satisfaction with the freedom to listen to music anywhere! You can use them indoors and outdoors (even on a boat). Niles manufactures the industry's most complete line of custom installation The extraordinary sonic performance of the OS-20 was achieved by harmoniz- components a
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Rigid, Acoustically Inert Enclosure FEATURES & BENEFITS The cabinet of the OS-20 is composed of mineral filled polypropylene. This material is extremely non-resonant. All you hear is the music. Precision Crossover An electronic dividing network inside the cabinet precisely distributes the Low Diffraction Grill and Front Baffle music to the woofer and the tweeter. The two-way design of the OS-20’s crossover provides excellent stereo imaging and low distortion. The grill of the OS-20 has hundreds
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Premium Gold-Plated Five-Way Binding Posts PARTS GUIDE Gold plating gives you a corrosion-free high quality speaker wire connection. e The connectors' five-way design allows you to use any of the most popular wire terminating methods. a f Easy Finger-Sized Access b The binding posts are mounted upside down in a molded recess on the back of the OS-20. This prevents water from pooling at the connection. The recess is c large enough to fit your fingers, so you can easily loosen or tighten the speak
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INSTALLATION CONSIDERATIONS Tools and Materials Required • A wire stripper • A pencil • A level (optional) • Three screws or bolts suitable for the mounting surface • The proper screwdriver for your mounting hardware • A drill bit of the right size and type • An electric drill Wiring Figure 2 Figure 3 Wiring directly from a receiver or Incorporating a volume control The OS-20 connects to your receiver or amplifier using 2-conductor speaker amplifier wire (See Figure 2). For most applications, w
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Placing the OS-20 for the Best Sound Quality Make sure you are not blocking or reflecting the sound off of furniture or other objects. You should have a direct line of sight with the front of the speaker. To The OS-20’s dispersion pattern is very broad. The speaker is very sensitive and determine the best position, measure the distance between the ideal listening will handle a lot of amplifier power. This allows good sound quality over an position and the wall you plan to mount the speakers on.
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1. If the speaker is never going to be exposed to sudden accidental impacts, PAINTING THE OS-20 wind, waves or earthquakes you can simply hang it on a nail using the nail hole(s) of the bracket (See Figure 7). The enclosure, the brackets, and the grills of the OS-20 can all be painted to match the surroundings. Because we want you to preserve the acoustic quali- ties of the grill, please paint the grill according to the grill painting instructions. Make sure you pick a paint that is appropriate
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2. Wipe off the other sides of the cabinet, the bracket, bracket knobs, and grill If you are using an applicator or brush and a can of paint, thin the paint first. with a damp cloth. Do not touch or rub the speakers on the front baffle. Make Thick paint will tend to clog the grill holes. sure everything is dry before masking. 3. Mask off the binding posts and the brass threaded inserts on the back panel Replacing the Grill with masking tape. Carefully fit the grill into its recess so that it is
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Connecting the Speaker INSTALLATION 1. Separate the two conductors of the speaker wire so that at least two inches of each conductor are free. Mounting the Bracket 2. Strip one half inch of insulation from the end of each conductor of the 1. Remove the bracket knobs and the bracket from the speaker. speaker wire. 2. Hold the bracket up to the mounting surface. The speaker can be mounted 3. If you have any connectors (gold pins or bananas) which you prefer to use, either horizontally or verticall
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3. Stand so you are the same distance from each speaker and listen to the rich- OPERATION ness of the bass and the loudness of the sound. 4. Turn off the amplifier and reverse the connections on one speaker only. Listening at Higher Volumes 5. Repeat the listening test with the same setting of the volume control. When Outdoors there are no walls to reflect and contain the sound. It requires more the sound has a richer bass and is slightly louder the speakers are working power to achieve a reason
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SPECIFICATIONS PLEASE FILL OUT THE WARRANTY REGISTRATION CARD ON THE REVERSE SIDE, Recommended Amplifier Power DETACH, AND MAIL TO: Five to one hundred watts per channel Niles Audio Corporation Nominal Impedance Warranty Registration Dept. 8 Ohms P.O. Box 160818 Miami, Florida 33116-0818 Frequency Response 68 Hz to 21kHz, plus or minus 3 dB (on axis) Sensitivity 91 decibels for 2.83 volts of Pink Noise, measured at 1 meter on axis Wiring Requirements Sixteen to eighteen gauge 2-conductor (un
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WARRANTY REGISTRATION CARD LIMITED WARRANTY Model Purchased__________________ ____________ _____ ________________ ________________________ Niles Audio Corporation ("NILES") warrants its outdoor loudspeaker products to the original purchaser to be free of manufacturing defects in material and workmanship for a period of two Serial Number_____________ ____________________ __________________________________________ years from date of purchase. Date Purchased (month/day/year)_______ ________________
