Niles Audio OS6.3Si, OS5.3SI manual Recommended Amplifier Power

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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 5.3Si loudspeaker, 5 to 100 W per channel

•For the OS 6.3Si loudspeaker, 5 to 125 W per channel

Ironically, most speakers are not damaged by large amplifiers but by small amplifiers. If you

are playing at high volume, a small amplifier will run out of power very quickly. When an amplifier runs out of power it creates damaging “clipping” distortion. A large amplifier will play at the same volume without distorting. See OPERATION on page 17 for more information about clipping distortion.

PLACING THE LOUDSPEAKER FOR THE BEST SOUND QUALITY

Traditionally, when using a pair of stereo loudspeakers, the listener will be positioned directly between the left and right loudspeakers to achieve optimum stereo sound. However, in some applications this is not possible, especially when a large area of coverage is required. It was for these types of applications that the OS “Si” loudspeaker was created. With its ultra-wide dispersion pattern, a single OS “Si” loudspeaker is able to project quality summed-stereo sound over a larger area. No matter where you are—you are always in the sweet spot. (See Figure 5 on the next page).

 

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NILES AUDIO CORPORATION – 1-800-BUY-HIFI

 

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Contents OS6.3Si OS5.3Si Congratulations Table of ContentsIntroduction Stereo Input SI Design PATENT-PENDING Integrated WOOFER/BAFFLE AssemblyMICA-FILLED Polypropylene Woofer Cone BUTYL-RUBBER Woofer Cone SurroundLOW-DIFFRACTION Grille and Front Baffle ARCHITECTURALLY-FRIENDLY DesignRIGID, ACOUSTICALLY-INERT Cabinet ALL-WEATHER VersatilityOS6.3Si or OS5.3Si parts Parts GuideNiles Audio Corporation 1-800-BUY-HIFI Incorporating a Volume Control WiringInstallation Considerations Tools and Materials RequiredPlacing the Loudspeaker for the Best Sound Quality Recommended Amplifier PowerPlacing the Loudspeaker for the Best Sound Quality Mounting Methods Placement for more bass outputOS loudspeakers can be mounted three ways Safety FirstTools Required Preparing to PaintPainting the Loudspeaker Painting the CABINET, Bracket KNOBS, and Bracket Removing the grille using an awlReplacing the Grille Painting the GrilleMounting the bracket InstallationOn page 10 for details Connecting the LoudspeakerChecking Loudspeaker Phase Listening AT Higher Volumes CleaningOperation OS6.3Si Loudspeaker SpecificationsNiles Audio Corporation 1-800-BUY-HIFI Limited Warranty Yes Warranty Registration CardL e s a u d i o C o r p o r a t i o n
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OS6.3Si, OS5.3SI specifications

The Niles Audio OS5.3SI is an exceptional outdoor speaker designed to elevate your outdoor audio experience with its outstanding performance, durability, and advanced technologies. This speaker caters to both casual listeners and audiophiles seeking high-quality sound in outdoor environments.

One of the most notable features of the OS5.3SI is its sophisticated design that allows it to blend seamlessly with outdoor surroundings. The speaker is available in a neutral color palette, making it a perfect addition to patios, gardens, or any outdoor space without being obtrusive. Its rugged construction is engineered to withstand the elements, with UV-resistant materials that guard against sun damage, as well as a weather-resistant design that prevents moisture from compromising the speaker's internal components.

At the heart of the OS5.3SI's remarkable sound quality is its innovative speaker technology. The Niles Audio OS5.3SI incorporates a specialized 5.25-inch polypropylene woofer designed for powerful bass response and clear mid-range frequencies. Accompanying the woofer is a 1-inch soft dome tweeter that delivers crisp, detailed high frequencies for a balanced audio experience. Together, these drivers provide a wide frequency response, ensuring that whether you're listening to music, watching a movie, or enjoying a game, you are enveloped in rich sound.

Another standout technological feature of the OS5.3SI is its ability to distribute sound across a wide area. This speaker is engineered to provide excellent dispersion, allowing for even sound coverage in outdoor spaces, so no matter where you are, you can enjoy consistent audio quality. This is particularly advantageous for gatherings or events where multiple listeners are spread across a large area.

Installation is made simple with the OS5.3SI, as it is equipped with a multi-position mounting system that allows for versatile placement options. This flexibility helps customize the audio experience to suit your specific outdoor layout.

The Niles Audio OS5.3SI not only excels in performance but also emphasizes energy efficiency. Its design promotes minimal energy consumption while maximizing sound output, making it a conscientious choice for eco-minded consumers.

In summary, the Niles Audio OS5.3SI is a highly engineered outdoor speaker that combines durability, advanced sound technology, and excellent dispersion. Whether you’re hosting outdoor gatherings or simply want to enjoy high-quality music in your backyard, the OS5.3SI stands out as a premier choice in outdoor speakers. Its ability to deliver rich, full sound while withstanding the rigors of outdoor living makes it a valuable addition to any outdoor audio setup.
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