Installation Fundamentals

Unobstructed space for speaker wiring

Figure 10

stereo system itself (See Figure 9). The other very common route is through the bottom plate of the wall into an unfinished basement or crawl space.

Identify where all of your electrical, phone, and TV wiring is likely to be and plan to route around it all. You can accidentally induce 60 Hz hum on your speakers if you run your speaker wire right beside electri- cal wire for more than a few feet. Try to keep speaker wire running parallel to power cables at least 3 feet away. To find exactly where an electrical cable is routed, try inspecting the inside of the wall by turn- ing off the breaker for a particular power outlet or switch, removing the cover plate and switch or receptacle, and shining a penlight into the wall. If you have access to an attic or basement space you can quick- ly see which part of the wall space the wire is free of obstructions (See Figure 10).

When you don’t have access above or below the wall, try to estimate the existing wire and pipe locations from the positions of electrical outlets and plumbed fixtures on both sides of the wall. Take a look at the outside of your house too, sometimes con- duit, vents or drain pipe will be visible that give useful information. Choose the route with the fewest potential obstacles.

If your house is built on a slab or you are wiring between two finished floors, look for baseboards which could be removed and replaced with the wire behind them. Doorjambs can be removed and often have enough space for speaker wire all the way around the door (See Figure 11).

Figure 11

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Niles Audio AT8700, AT8500 manual Unobstructed space for speaker wiring
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AT8500, AT8700 specifications

Niles Audio, a renowned name in the audio industry, has introduced its AT series amplifiers, notably the AT8700 and AT8500 models. These amplifiers are designed to deliver high-performance audio for residential and commercial installations, ensuring an enhanced listening experience for users.

The Niles AT8700 is a powerful 8-channel amplifier capable of delivering a robust 70 watts per channel into 8 ohms. This strength allows it to drive multiple speaker systems effortlessly while maintaining audio clarity and fidelity. Ideal for larger home theaters or multi-room audio setups, the AT8700 offers advanced features such as a unique auto-sensing technology that powers the amplifier on and off as needed, conserving energy and simplifying use for consumers.

On the other hand, the Niles AT8500, while slightly less powerful, also offers 50 watts per channel into 8 ohms across 8 channels. The AT8500 provides sufficient amplification for most residential needs and comes loaded with features aimed at optimizing audio distribution across various environments. Its flexible configuration allows users to customize speaker zones, providing the ability to enjoy different audio sources in multiple rooms simultaneously.

Both models boast a compact, rack-mountable design, making them easy to integrate into existing AV setups or new installations. The AT series amplifiers are also equipped with signal sensing inputs, allowing them to respond to audio signals effectively, and ensuring that they are only active when needed. This is not only efficient but also helps to extend the lifespan of the unit.

In terms of connectivity, both amplifiers provide numerous options, including balanced inputs for professional-grade sound quality, as well as standard RCA inputs for compatibility with a variety of audio sources. This versatility enhances their appeal for both home and commercial use.

Some additional standout features include built-in protection circuits that safeguard the amplifiers from overheating and short circuits, ensuring reliability in performance. Furthermore, their low profile and sleek design add an aesthetic appeal, allowing them to blend seamlessly with modern home entertainment setups.

In conclusion, the Niles Audio AT8700 and AT8500 represent a compelling choice for anyone seeking durable and powerful amplifiers. With their impressive power output, sophisticated features, and high-quality build, these models continue the Niles legacy of providing exceptional sound solutions to audio enthusiasts and professionals alike. Whether for a dedicated home theater or a multi-room audio system, these amplifiers deliver both performance and versatility, making them a standout option in the competitive amplifier market.
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