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It had long been the practice of stereo buffs to connect their
television to the stereo system. The advantage was the use
of the larger speakers and more powerful amplifier of the
stereo system. Even though the sound was greatly improved, it
was still mono and limited by the broadcast signal.
In the late 1970’s and early 1980’s two new home movie
formats became widely available to the public: VCR and
laser disc.
By 1985, both formats had developed into very high quality
audio/video sources. In fact, the sonic performance of some
video formats exceeded audio-only formats. Now, with
theater-quality sound available at home, the only element
missing was the "surround sound" presentation found in
movie houses.
Fortunately, Dolby and DTS-encoded movies (which include
almost all movies) have the same surround sound informa-
tion encoded on home releases as the theater films. All that
is required to retrieve this information is a decoder and
additional speakers and amps to reproduce it.
Home theater is a complex purchase and we recommend
that you consult your local MartinLogan dealer, as they are
well versed in this subject.
Each piece of a surround system can be purchased sepa-
rately. Take your time and buy quality. No one has ever
complained that the movie was too real. The following list
and descriptions will give you only a brief outline of the
responsibilities and demands placed on each speaker.
Front Left and Front Right
If these speakers will be the same two used for your stereo
playback, they should be of very high quality and able to
play loudly (over 102 dB) and reproduce bass below 80 Hz.
Center Channel
This is the most important speaker in a video system, as
almost all of the dialogue and a large portion of the front
speaker information is reproduced by the center channel.
It is important that the center speaker be designed by
the same manufacturer as the front speakers, and that it is
recommended for use as a center speaker. This is not the
place to cut corners.
Surround Speakers
We recommend that the surround speakers play down
to 80 Hz or below. The surround speakers contain the
information that makes it appear that planes are flying over
your head. Some may suggest that this is the place to save
money and purchase a small, inexpensive speaker. If you
choose to do so, be prepared to upgrade in the future as
discrete six-channel digital encoding becomes available
and the demands on the surround speakers increase.
Subwoofer
With any good surround system you will need a high-quality
subwoofer (the .1, in a 5.1 channel surround system). Most
movie soundtracks contain large amounts of bass informa-
tion as part of the special effects. Good subwoofers will
provide a foundation for the rest of the system.
12 Home Theater
HOME THEATER
Figure 15. Clarity speakers as front channels, the Cinema i as the center
channel, Clarity speakers as side surround (effects) channels and Depth
subwoofers as the .1 (LFE) channel.
Home Theater