Sealed is Not Acoustic Suspension in Loudspeakers

Many of today’s vented subwoofers and full-range tower speakers offer port plugs for sealing the cabinet and making them behave like sealed speakers. But this does not result in a true acoustic suspension system, which is quite a different animal altogether from a merely “sealed” speaker. Let’s explore the difference between acoustic suspension and sealed and see if today’s designers aren’t missing an opportunity to make some great products.

from Audioholics Reviews and News from Audioholics