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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 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 Loudspeakers for the Best Sound Quality

An OS loudspeaker’s dispersion pattern is very broad. This allows good sound quality over an extremely large listening area. However, if a single pair is positioned to provide coverage of a very large room or patio, you will have “hot spots” of loud sound when you are near the loudspeakers. The best way to avoid hot spots for a large space is to use several pairs of loudspeakers evenly spaced throughout the room. A good rule of thumb is to install a pair of loudspeakers for every 200 to 400 square feet of listening area. Your local Niles dealer is a good source for advice on loudspeaker placement for your particular installation.

NILES AUDIO CORPORATION – 1-800-BUY-HIFI305-238-4373

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Niles Audio OS5.3, OS7.3, OS6.3 manual Recommended Amplifier Power, Placing Loudspeakers for the Best Sound Quality

OS6.3, OS7.3, OS5.3 specifications

Niles Audio, a reputable name in the audio industry, has delivered exceptional outdoor speaker options with its OS series, specifically the OS7.3, OS6.3, and OS5.3 models. These speakers offer high-quality sound performance tailored for outdoor environments, making them perfect for patios, gardens, and poolside areas.

The OS7.3 speaker is designed as a high-performance, two-way outdoor speaker that features a robust 7-inch woofer for deep, rich bass response and a 1-inch tweeter for crisp, clear high frequencies. The speaker's weather-resistant construction ensures durability against harsh outdoor elements, allowing it to withstand rain, wind, and UV rays without compromising sound quality. Its power handling capability supports extensive volume levels, making it suitable for larger outdoor gatherings.

Similar in design, the OS6.3 model also features a two-way configuration, equipped with a 6.5-inch woofer and a 1-inch tweeter. This speaker strikes a perfect balance between size and sound performance, delivering impressive bass and detailed highs. The OS6.3 is ideal for medium to large outdoor spaces, providing a well-rounded audio experience that can fill larger areas without distortion.

The OS5.3 speaker serves as a more compact option, featuring a 5.25-inch woofer and a 1-inch tweeter. Despite its smaller size, the OS5.3 excels in delivering clear and powerful sound, making it an excellent choice for smaller patios or garden spaces. Its design emphasizes versatility and ease of installation, allowing for seamless integration into any outdoor setting.

All three models incorporate advanced technologies such as Niles’ patented technology that encourages enhanced sound dispersion, ensuring listeners can enjoy an immersive audio experience from various angles. The speakers utilize high-quality materials that contribute to their longevity, making them a solid investment for outdoor sound systems.

In conclusion, the Niles Audio OS7.3, OS6.3, and OS5.3 outdoor speakers impress with their unique characteristics and powerful capabilities. They embody a perfect blend of robust construction, exceptional sound quality, and innovative technology, making them ideal for any outdoor audio application. Whether for casual listening or hosting a lively gathering, these speakers offer a reliable solution for elevating outdoor audio experiences.