Niles Audio IW2550LCR, IW2650LCR, IW2770LCR, IW2670LCR manual Boundary Effect

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INSTALLATION CONSIDERATIONS (CONTINUED)

As for placement height, place front left and right loudspeakers on either side of the picture source so that their tweeters are not more than 24 inches above or below the center-channel loudspeaker’s tweeter (see Figure 3 on page 7).

If the StageFront LCR loudspeaker is being installed in existing construction, please use the included cardboard template to mark your installation location. Check for proper clearance within studs or any other obstructions before cutting the speaker opening. If you are unsure of the correct installation techniques, please consult your authorized Niles Audio dealer.

NOTE: DO NOT PLACE ANY STAGEFRONT LCR OR FX LOUDSPEAKERS TOO CLOSE TO A DIRECT-VIEW CRT TV MONITOR, AS IT MAY CAUSE PICTURE DISCOLORATION. IN GENERAL, TRY TO KEEP IT AT LEAST 24 INCHES AWAY FROM THE TV. WITH LARGER CRT SCREEN SIZES, TEST THE PLACEMENT DISTANCE FOR PICTURE DEGRADATION BEFORE INSTALLATION.

THE BOUNDARY EFFECT

Placing a loudspeaker in a corner can powerfully affect the way a listener perceives bass response. Known as the boundary effect, placing loudspeakers close to a wall/ceiling boundary or near a corner wall boundary will emphasize certain bass frequencies, while canceling others. This effect can make the loudspeaker sound excessively boomy and inaccurate to some listeners, while to others it just seems like more bass sound.

As a good rule-of-thumb, if you like listening to your current pair of loudspeakers with the bass turned up, you’ll enjoy corner placement. However, if you listen with the tone controls at neutral, try keeping the loudspeakers at least 2 or 3 feet from the boundaries of the room.

PLACING THE STAGEFRONT LCR AS THE CENTER-CHANNEL LOUDSPEAKER

The center-channel loudspeaker is the workhorse in a home theater system. It handles all of the critical dialog and is vitally important in creating the illusion of sounds emanating directly from the picture. Here are some tips for obtaining optimum center-channel performance:

■In a typical installation, place the loudspeaker horizontally, directly above or below the television or projection screen. Try to ensure that the loudspeaker is not placed too high relative to the left and right loudspeaker, as shown in Figure 3.

■The IW2670LCR and IW2770LCR feature a midrange/tweeter pod that can be rotated to accommodate horizontal installations. If you mount one of these models horizontally, please remove the screws that hold this pod in place, rotate the pod ninety degrees so that the tweeter is above the midrange and reinstall the screws to reattach the pod to the loudspeaker as shown in Figure 4.

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Contents IW2550LCR IW2650LCR IW2670LCR IW2770LCR Table of Contents CongratulationsIntroduction Features and Benefits Installation Considerations Tools and PrecautionsRecommended Amplifier Power Loudspeaker WirePlasma TV Boundary Effect Placing the Stagefront LCR AS the CENTER-CHANNEL LoudspeakerIW2770LCR Finishing the Installation Connecting & Installing the LoudspeakerChecking Loudspeaker Phase Painting the Grille and FrameAcoustic Fine Tuning Installing the GrilleOperation Listening AT Higher VolumesCleaning Specifications Wiring RequirementsIW2670LCR IW2770LCR Niles Audio Corporation

IW2670LCR, IW2770LCR, IW2650LCR, IW2550LCR specifications

Niles Audio has established itself as a pioneer in high-performance home audio solutions, and their in-wall speakers, including the IW2670LCR, IW2770LCR, IW2550LCR, and IW2650LCR, exemplify this commitment to excellence. These speakers are designed to seamlessly blend into any home décor while delivering exceptional sound quality.

The IW2670LCR is a three-way in-wall speaker known for its versatility. It features a 6.5-inch polypropylene woofer that delivers rich bass and midrange response, while dual 1-inch silk dome tweeters provide crisp highs. The speaker’s adjustable tweeter and midrange controls allow for tailored sound performance, accommodating various room acoustics. Additionally, its low-profile design ensures a sleek and unobtrusive look.

Moving to the IW2770LCR, this model is a standout choice for audiophiles seeking immersive sound for home theaters. It features dual 7-inch woofers and 1-inch aluminum dome tweeters, delivering powerful sound dynamics and wide frequency response. Whether you are watching movies or listening to music, the IW2770LCR ensures a captivating audio experience. The integrated mounting system simplifies installation, minimizing the effort needed to set up these impressive speakers.

For those looking for a more compact solution without compromising on sound quality, the IW2550LCR offers an excellent alternative. This 5.25-inch two-way speaker is equipped with a polypropylene woofer and a 1-inch silk dome tweeter, producing clear sound across frequencies. Its innovative design includes a paintable grille, allowing it to blend seamlessly with any wall color or finish.

The IW2650LCR rounds out this lineup with its robust 6.5-inch woofers, designed for both home theater and music applications. This dual-channel speaker offers balanced sound, ensuring that dialogue in movies is crystal clear while also providing the depth required for music playback.

Each of these models incorporates Niles’ signature technologies, such as a durable construction that minimizes distortion and enhances longevity, ensuring that these speakers deliver high-quality audio performance for years to come. With their remarkable features and exceptional sound quality, Niles Audio in-wall speakers are ideal for homeowners seeking a blend of aesthetics and auditory excellence. Whether for casual listening or immersive home theater experiences, these speakers meet diverse audio requirements and offer an unbeatable sound solution for any space.
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