Infinity FIFTEEN manual Placement, Infinity Cascade Model Fifteen, Unpacking the Subwoofer

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Infinity CascadeModel Fifteen

The Infinity Cascade Model Fifteen continues Infinity’s long- standing commitment to accurate sound reproduction. Our advanced drivers, high-powered amplifier and proprietary Room Adaptive Bass Optimization System,along with a rigid, well- braced enclosure, combine to deliver uncompromising bass performance in any stereo or multichannel home theater. In addition, the slim profile allows for easy integration into any residential environment.

Unpacking the Subwoofer

If you suspect damage from transit, report it immediately to your dealer. Keep the shipping carton and packing materials for future use.

PLACEMENT

Since the installation of a subwoofer can be somewhat more complicated than installing full-range speakers, it is essential that you read this section very carefully prior to connecting the subwoofer to your system. Should you have questions relating to your installation, it is advisable to call either your dealer or Infinity’s Customer Service Department for advice.

The performance of the subwoofer is directly related to its placement in the listening room and how you align the subwoofer with its satellite speakers. Setting the volume of the subwoofer in relationship to the left and right speakers is also of critical importance because it is essential that the subwoofer integrate smoothly with the entire system. Setting the subwoofer’s volume level too high will result in an overpowering, boomy bass. Setting the volume level too low will negate the benefits of the subwoofer.

Here are several additional installation facts that may prove useful. It is generally believed by most audio authorities that low frequencies (below 125Hz) are nondirectional and, therefore, placement of a subwoofer within any listening room is not critical. While in theory it is true that the larger wavelengths of extremely low frequencies are basically nondirectional, the fact is that, when installing a subwoofer within the limited confines of a room, reflections, standing waves and absorptions generated within the room will strongly influence the performance of any subwoofer system. As a result, the specific location of the subwoofer becomes important, and we strongly recommend that you experiment with placement before choosing a final location.

Placement will depend upon your room and the amount and quality of bass required (for example, whether or not your room permits placement of the subwoofer near either satellite).

SUB

RIGHT-

CHANNEL

SPEAKER

PRIMARY

LISTENING

AREA

Figure 1.This example shows the subwoofer positioned behind the right-channel satellite speaker to re-create the actual location of bass instruments in an orchestra and/or add impact to movie soundtracks.

1CASCADE MODEL FIFTEEN

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Contents Cascade Read First Upon completion of any service or repairsIi Cascade Model Fifteen Table of Contents Infinity Cascade Model Fifteen PlacementUnpacking the Subwoofer Controls and Connections Rear Panel ¡ £ ¢ ∞ §Set Normal/LFE Switch to Normal Set Normal/LFE Switch to LFEConnections Power On OperationRoom Adaptive Bass Optimization System R.A.B.O.S Contents of the R.A.B.O.S.Test CD Rslm PlacementInitial System-Level Setting Setting the Subwoofer Test LevelTurn the system volume to minimum When you have completed this adjustment, press PauseLocating a test point What Does a Parametric Equalizer Do? Completing the Measurement TemplateFrequency WidthUsing the Width Selector Placement of the Width SelectorSkip to the Adjusting the R.A.B.O.S. Equalizersection on LevelWhat You Measure, What to Do Our example, you would enter 9 in the attenuation fieldExample 2. Two Response Peaks Example 3. Peak Adjacent to a DipExample 4. Narrow Response Example of two narrow dipsExample 6. Ideal Response Adjusting the R.A.B.O.S. EqualizerPosition Final System Balance Cascade Model Fifteen R.A.B.O.S. ControlsMaintenance and Service Frequency Frequency Specifications Cascade Model Fifteen
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