Home Theater Audio: How To Design Your Personal Sound

There are many decisions out there pertaining to homemovies, dipoles would be the way to go. However, if
theater. Often, the quest to find the perfect setup canyou want to incorporate SACD and DVD audio into
ensure finding one's own insanity, similar to working forthis same system, going with more of a direct
the boss; no pun intended. Where to begin, where tobookshelf or smaller tower is often recommended.
end; that is the question. Like finding the perfectWith dipoles, the phase on one of the tweeter is
woman (ok we all know the perfect woman doesn'treversed to enhance the feel of space in your listening
exist), but finding the perfect home theater can oftenenvironment with movies. Bookshelves or towers will
feel like you're digging for gold. Whether it's a completecreate a fuller response due to the increased
5.1 or 7.1 system or even a 2-channel setup, you're inexcursion present in each driver and larger internal
for a headache if you don't know where to start orvolume of cabinet. These are suggested for rears with
even the right questions to ask.SACD and DVD audio to represent that of a live
First, you need to start with the source; the means toconcert.
power your system. Many go with a receiver whereThe .1 in a home theater system stands for the sub. If
you have a processor as well as an amplifier built intoit were .2 or a 5.2 system, there would be 2 subs
one to save space in a HT center. The other optionhelping to equalize bass response, producing an
would be to go with separates. One unit processesessential balance for action/adventure movies.
the information, while the other unit does theSubwoofers come in different forms for use in several
amplification. Separates enable a better sound quality,applications. A common type of subwoofer is one that
but generally cost more than a receiver.has a porthole built into the cabinet, releasing the
You'll next want to choose the speakers that suit youpressure. This design allows for a lower bass
best or sound the best to you. Once you choose aresponse as the driver has the opportunity to attain a
brand, you'll want to stick with that particular brand andlower frequency response. This type of subwoofer is
or same series for all speakers across your HT setup.ideal for movies, and by placing the sub into a corner
This will enable a proper timbre-match and assureof the room, explosions come to life more effectively.
what you're listening to is the way the recording studioAnother type of subwoofer is one with no port hole
intended it to be. Timbre-matching is also crucial forbuilt in or known as a sealed enclosure. This sub will
generating those subtle yet effective sounds, andplay tight and accurate with the rest of the
having a powerful amp will only make these soundsfrequencies, making this sub the most musically
more life-like.sounding and versatile to play with both movies and
A set of speakers for the front left and right of your2-channel music. The bass response isn't generally as
TV should be the first set of speakers you invest in.low as that of a ported design, but often sounds
This decision should be based off the fact on whethercleaner and more refined in the sealed enclosure type
you're going to be using these speakers for movies,due to increased decay.
2-channel music, or both. The size of room you'reAnother design, not quite as popular as the first two, is
placing these speakers is also a big factor in terms ofthe passive radiator type. This design utilizes an active
choosing between a tower speaker and a bookshelf.driver with one or more 'fake' drivers on opposite sides
Tower are generally recommended for 2-channelof the cabinet that act in a way to increase excursion
music, as then you wouldn't necessarily need a sub toof the overall subwoofer itself. This provides for an
achieve a low end response. Having towers are alsoefficient method to achieve a lower frequency yet
beneficial for movies, where a full and more accuratemaintain a proportional cabinet design. These subs are
response would be created for movies. If your room isgenerally used for movie settings, but can also be used
on the smaller side, bookshelves may be the way tofor music although a delay may occur as these subs
go.are purposely built to fulfill sub-low frequencies.
The speaker often depicted, as the most important inSpeaker wire is needed to transfer the electrons from
an HT environment is the center channel, as aboutyour receiver/amplifier to each channel, where by the
60% of the information pertained in a movie comesmeans of electromagnetics, these electrons are
through this channel. Having a center speaker withtransformed to audible sound waves. The thicker the
larger drivers and a decent-sized internal cabinetspeaker wire, the higher the potential for more
volume will prove valuable for maintaining a constantelectrons to travel to each speaker. If you're running
volume across all channels in your HT system,speaker wire longer than 25 feet, it's often
regardless of the movie.recommended you have speaker wire at least 12
Rear speakers are the next selection for your HTgauge.
system. If this system is going to be used primarily for