Niles Audio AT8000, AT8200 manual Speaker Placement, Insulating the Wall Cavity

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Although the AT speakers utilize an infinite baffle design which does not require the use of a backbox, critical listeners may appreciate the tighter bass and extended frequency response into the lower octaves that the use of a backbox (or blocking off the wall cavity) will provide. A hole cutting template is provided with the AT8000 Series Bracket Kit. The cutout for the speak- er must measure 9-3/4” x 17-1/4”.

Insulating the Wall Cavity

When it is not possible to use a backbox, good results can be achieved by treating the interior of the drywall cavity with Dynamat™ or a similar cabinet damping material. At least two linear feet of damp- ing material should be adhered to the rear wall and to the front wall (one foot above and one foot below the cutout) of the wall cavity. Additionally, insulating the wall cavity behind the speaker with fiberglass insulation (e.g., R-19 unbatted insulation) will improve performance. Try to keep the

amount of insulation used for each speak- er equal, as bass output will be more con- sistent. Further improvement can be made by wedging a brace of 1x1 stock between the front and rear walls, both above and below the cutout. Use care when inserting the brace, as too much pressure will create a bulge in the wall.

Speaker Placement

Placement for Critical Listening

If you like to imagine that the band or orchestra is playing in front of you as you lis- ten to music, or you are very conscious of clarity, detail and the textures of the individ- ual instruments, you are a critical listener.

In a home theater, the intelligibility of dia- log and action reproduced by the front speakers is paramount! The position of the speakers plays a very important role in how clear the sound is and how a stereo

Speaker Placement

 

Speaker

 

 

Placement

 

 

Zone

 

10’

5’

10’

 

 

Speaker

 

 

Placement

 

 

Zone

 

Figure 2

 

 

5

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Contents AT8000 AT8200 Table of Contents AT8200 Aluminum/Urethane Composite Woofer IntroductionHigh Performance Woofer and Tweeter Designs AT8000 Interlaced Carbon/Glass Fiber WooferAbsolutely Flush to the Wall Appearance Easy Retrofit Installation in your Existing HomeMatrixReinforced Baffle Weather Resistant ConstructionRecommended Amplifier Power Installation ConsiderationsIncorporating a Local Volume Control Incorporating a Remote Control Speaker WireAcoustical Treatment Options Placement for Critical Listening Speaker PlacementInsulating the Wall Cavity Boundary Effect Placement for Varying Listening PositionsPlacement for Rear Home Theater Applications Installation FundamentalsRunning the Speaker Wire in New Construction Pulling the Cable Location Concealing Speaker Wire Existing WallsUnobstructed space for speaker wiring Installation Fundamentals Stage One Before Drywall is Hung Insulating the Wall Cavity Installation Brackets, Frames Grilles New ConstructionSee Figure Painting the Aluminum Grilles See Figure Stage Two Before PaintingInstallation Brackets, Frames Grilles Existing Walls Installing a Niles MS-1 MicroSensor Setting the Tone ControlsSpeaker Phase Installing the SpeakerCleaning Listening at Higher VolumesOperation Model AT8000 SpecificationsModel AT8200 Niles Audio Corporation Limited WarrantyWarranty Registration Card Detach Here Niles Audio Corporation
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