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Subwoofer Placement Considerations

Achieving the best performance from your AV123 subwoofer and other audio system

speakers requires several details to follow when setting up your speakers and placing

your subwoofer. Tips and suggestions for the most desirable placement techniques

are listed throughout this section. At the end of this section you will also nd more

information on ne tuning your MFW-15 subwoofer using the built in adjustments and

features that may already be present in your home entertainment equipment.

Subwoofer Location

Unlike regular loudspeakers, subwoofers will often work best

when placed in a corner, even if located a few feet to the side

and/or behind the closest main speaker. Typically the front right

and left corners sound the most natural, though rear corner

placement is also an acceptable option. The driver can be

facing you or be pointed along either wall. The low frequency

sound waves emitted by the AV123 MFW-15 subwoofer are

quite long and will therefore interact greatly with the walls of

your room. As a result, even small placement adjustments can

have a signicant impact on the sound you hear. A room corner

will provide maximum output at a given power level, and the

maximum number of room modes will be excited, translating to

a atter response in most rooms. Often one rather large peak

in the subwoofer’s operational frequency range will standout

with corner placement.

Performance Considerations

The low frequencies played by your AV123 MFW-15 subwoofer tend to be non-directional

due the extraordinarily long wavelengths involved. As a result, regardless of where

your subwoofer is placed, it should not be easily localized, but should instead produce a

balanced and enveloping response.

Factors that can affect performance in relation to placement and localization of the

sound are rattles from shelves, walls, or other nearby objects, as well as distorted

output. If you are having issues with subwoofer localization, try to isolate any rattling

or buzzing objects, or place the sub in another corner of your room. If the sub’s output

is distorted, check to see that you are not at the maximum sub level setting on your

receiver or preamplier/processor. An overdriven output can induce audible distortion. To

resolve, you may need to turn down the subwoofer level on your processor and turn the

gain level up on the subwoofer itself to compensate.

Picture of

MFW 15

Subwoofer

in a corner

or typical

installation

1 2 3 4 5 6 7 8 9 10 11 12 ... 15 16

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AV123 x-sub Spezifikationen Seite 7