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SW-12 (120V) OM  

1/15/04 4:20 PM Page 4  

Infinity SW-12  

The Infinity SW-12 continues Infinity’s long-standing commitment  

to accurate sound reproduction. Our patented Ceramic Metal  

™

Matrix Diaphragm (CMMD ) drivers, high-powered amplifier and  

™

proprietary Bass Optimization System, along with a rigid, well-  

braced enclosure, combine to deliver uncompromised bass  

performance in any stereo or multichannel home theater.  

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.  

SUB  

RIGHT-  

CHANNEL  

SPEAKER  

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.  

PRIMARY  

LISTENING  

AREA  

Here are several additional facts on installation 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.  

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.  

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).  

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