Owner's Manual
8
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 DVD’s 
emerged with the same surround sound 
information encoded on home releases as the 
theatrical release. Additionally, new high-
resolution home-viewing formats such as Blu-ray 
as well as high-definition content provided via 
cable or satellite have evolved which include multi-
channel encoded audio that is virtually master 
tape quality. 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 
separately. 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 home 
theater 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 extremely accurate and 
mate well with the front speaker, and that it is 
recommended for use as a center speaker. This is 
not the place to cut corners.
Surround Speakers
We recommend (along with the film industry) that 
the surround speakers play down to at least 80 
Hz. 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 small, inexpensive 
speakers. If you choose to do so, be prepared 
to upgrade in the future as discrete multi-channel 
digital encoding is proliferating rapidly and the 
demands on surround speakers have increased.
Subwoofer
With any good surround system you will need 
high-quality subwoofers (the .1 in a 5.1, 6.1, 
or 7.1 channel surround system). Most movie 
soundtracks contain large amounts of bass 
information as part of the special effects. Good 
subwoofers will provide a foundation for the rest 
of the system.
Figure 4. MartinLogan peakers as front, center, and 
surround channels, and MartinLogan subwoofers in the 
front corners as the 0.1 (effects) channel.










