Characteristics of Sealed Enclosures
The most basic and simple of all speaker enclosures is the sealed box or acoustic suspension design.
The acoustic suspension design has several advantages; it is easy to build, easy to tune, and offers high
power handling, tight response, and extended low end output. Acoustic suspension enclosures roll off at
12 dB per/octave. Cone motion is better controlled at all frequencies because of the constant pressure on
the back side of the cone, which enables you to run more power to the woofer. They are called acoustic
suspension enclosures because the air inside the box acts like a viscus brake to control the woofer. That is
why the box must be sealed tight. If there are any air leaks in the enclosure, the woofer cannot function
properly.
Pros
1 - High power handling capability
2 - Extended low frequency response and smooth roll off (12 dB/octave).
3 - Excellent transient response.
4 - Tolerant of minor enclosure size variations.
5 - Easiest enclosure to build.
Cons
1 - Not as efficient as other designs.
Kicker Technical Tips
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