This article is from the Car Audio FAQ, by Ian D. Bjorhovde (ianbjor@mobileaudio.com) with numerous contributions by others.
* Advantages...
- 3-4 dB more efficient overall than sealed design
- Handles upper bass frequencies better with less
distortion
- Magnet is in good cooling environment
- When properly designed, a ported box will slaughter a
sealed in terms of low frequency extension
* Disadvantages...
- Size (not so critical outside the mobile environment)
- Woofer unloads below Fb
- More difficult to design/ can result in boomy, nasty
sounding bass if misaligned
 
Continue to: