Niles OS-20 - Manuals - manualsarea.com

Page 2 - IO

INTRODUCTION The OS-20 marries unparalleled listening satisfaction with the freedom to listento music anywhere! You can use them indoors and outdoors (even on a boat).The extraordinary sonic performance of the OS-20 was achieved by harmoniz-ing unique and proprietary technology with the most advance...

Page 3 - or

Rigid, Acoustically Inert Enclosure The cabinet of the OS-20 is composed of mineral filled polypropylene. Thismaterial is extremely non-resonant. All you hear is the music. Low Diffraction Grill and Front Baffle The grill of the OS-20 has hundreds of precisely sized perforations, creating anacoustic...

Page 4 - PARTS GUIDE; Premium Gold-Plated Five-Way Binding Posts; Bracket Knob; S GUIDE; Figure 1 OS-20 Parts Guide

PARTS GUIDE Premium Gold-Plated Five-Way Binding Posts Gold plating gives you a corrosion-free high quality speaker wire connection.The connectors' five-way design allows you to use any of the most popular wireterminating methods. Easy Finger-Sized Access The binding posts are mounted upside down in...

Page 5 - INSTALLATION CONSIDERATIONS; Tools and Materials Required; TECH TIP; Wire size is expressed by its AWG (American Wire; Wiring directly from a receiver or; Figure 3; Incorporating a volume control

Incorporating a Volume Control It’s possible to control the volume of the sound at the speaker location. Plan towire the system so that each pair of speakers has it’s own volume control. Nilesmakes a wide range of indoor and outdoor volume controls. Consult your localNiles dealer for more informatio...

Page 6 - Figure 5; Placement for more bass output; Figure 6; Placement for

Placing the OS-20 for the Best Sound Quality The OS-20’s dispersion pattern is very broad. The speaker is very sensitive andwill handle a lot of amplifier power. This allows good sound quality over anextremely large listening area. However, if a single pair is positioned to providecoverage of a very...

Page 7 - Figure 7 The OS-20 can be mounted three ways.; Removing the grill using a paper clip

1. If the speaker is never going to be exposed to sudden accidental impacts,wind, waves or earthquakes you can simply hang it on a nail using the nailhole(s) of the bracket (See Figure 7). 2. The safest and most secure way to mount the speaker is by screwing it to themounting surface using your own ...

Page 9 - INSTALLATION

INSTALLATION Mounting the Bracket 1. Remove the bracket knobs and the bracket from the speaker. 2. Hold the bracket up to the mounting surface. The speaker can be mountedeither horizontally or vertically. Hold the bracket so that the speaker wire fitsthrough the large, circular wire hole in the brac...

Page 10 - OPERATION; Listening at Higher Volumes; INST

3. Stand so you are the same distance from each speaker and listen to the rich-ness of the bass and the loudness of the sound. 4. Turn off the amplifier and reverse the connections on one speaker only. 5. Repeat the listening test with the same setting of the volume control. Whenthe sound has a rich...

Page 11 - SPECIFICATIONS; SP

SPECIFICATIONS Recommended Amplifier PowerFive to one hundred watts per channel Nominal Impedance8 Ohms Frequency Response68 Hz to 21 kHz, plus or minus 3 dB (on axis) Sensitivity91 decibels for 2.83 volts of Pink Noise, measured at 1 meter on axis Wiring RequirementsSixteen to eighteen gauge 2-cond...

Page 12 - LIMITED WARRANTY; ARRANTY

DETACH HERE AND RETURN TO: Niles Audio Corporation Warranty Registration Dept. P .O. Box 160818 Miami, Florida 3 3 11 6- 0818 Model Purchased___________________________________ ________________________________________ Serial Number_____________________________________________________________________...