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Subwoofers: What You Need To Know - Page 2

Subwoofers - Crossovers

By Robert Silva, About.com

Wraith flat-panel subwoofers

Wraith flat-panel subwoofers

Robert Silva
Typically, a good subwoofer has a "crossover" frequency of about 100hz. The crossover is an electronic circuit that routes all frequencies below that point to the subwoofer; all frequencies above that point are reproduced the main, center, and surround speakers. Gone is the need for those large 3-Way speaker systems with 12" or 15" woofers. Smaller satellite speakers, optimized for mid-and-high frequencies, take up much less space and are now common in many home theater systems.

In addition, since the deep-bass frequencies reproduced by the subwoofers are non-directional (as frequencies that are at or below the threshold of hearing). It is very difficult for our ears to actually pin-point the direction in which the sound is coming. That is why we can only sense that an earthquake seems to be all around us, rather from coming from a particular direction. As a result, the subwoofer can be placed anywhere in the room, however, optimum results depend on room size, floor type, furnishings, and wall construction. Typically, best placement for a subwoofer is in the front of the room, just to the left or right of the main speakers. There are more installation tips in the conclusion of this article.

Go to page 3: Subwoofer Alternatives - click on the link below right.

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