It's amazing really. Any decent speaker manufacturer will take excruciating pains in designing and executing the crossover between tweeter and woofer. Most go on to devote pages in their literature to tell you about it, offering up trademarked ways to all say the same thing.
THX is almost a quarter century old, and its Consumer Branch has been around since 1990, yet people still do not have a proper understanding of THX. Maybe that's THX's fault, maybe it's ours (the press) . . .
In 5.1 digital surround sound, the 0.1 channel is called the LFE or Low Frequency Effects channel. While in the commercial system it is referred to as the subwoofer channel, this is not necessarily true for home theater setups.
Even though loudspeakers utilizing bass reflex techniques (i.e., ported or passive radiator designs) are quite common, or maybe even the norm if you carouse the average audio/video retailer. There are, however, many misconceptions about how a bass-reflex system works...
Despite the slightly paranoid opinions of the more reclusive audiophiles I associate with, I believe that home theater has contributed significantly to the advancement of musical reproduction. For instance, THX standards mandated flat frequency response from speakers...
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