Yamaha HTR-5170 - Manual (Page 14)

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This unit has been designed to provide the best sound field
quality with a full five-speaker system setup, using a pair of
main speakers to output main source sounds, a pair of effect
speakers to generate the sound field plus one center speaker
for dialog. We therefore recommend that you use a five-
speaker setup. A four-speaker system using only one pair of
effect speakers for the sound field will still provide impressive
ambience and effects, however, and may be a good way to
begin with this unit. You can always upgrade to the five-
speaker system later.
Use of the center dialog speaker is
recommended
When playing back a source with Dolby Pro Logic decoded, or
playing back a source which contains center-channel signals
with Dolby Digital or DTS decoded, dialog, vocals etc. are
output from the center channel. Therefore, if you want to
maximize the performance of your Audio/Video home theater
system, it is recommended that you use a center channel
speaker.
If, for some reason, it is not practical to use a center speaker, it
is possible to enjoy the movie without it. Best results, however,
are obtained with the full system.
Use of a subwoofer expands your sound
field
It is also possible to further expand your system with the
addition of a subwoofer and amplifier. The use of a subwoofer
is effective not only for reinforcing bass frequencies from any
or all channels, but also for reproducing signals at the
subwoofer channel with high fidelity during playing back a
source with Dolby Digital or DTS decoded. You may wish to
choose the convenience of a Yamaha Active Servo Processing
Subwoofer System, which has its own built-in power amplifier.
Speaker setup
Ⅵ
Speakers and speaker placement
Your full five-speaker system will require two speaker pairs:
the MAIN SPEAKERS (your normal stereo speakers) and the
REAR SPEAKERS, plus the CENTER SPEAKER. You may
also be using a SUBWOOFER.
The MAIN SPEAKERS should be high performance models
and have enough power handling capacity to accept the
maximum output of your audio system.
Other speakers do not have to be equal to the MAIN
SPEAKERS. For precise sound localization, however, it is
ideal to use high performance models that can reproduce
sounds in full range for the CENTER SPEAKER and REAR
SPEAKERS.
Place the MAIN SPEAKERS in the ordinary position.
Place the REAR SPEAKERS behind your listening position.
They should be nearly 1.8m above the floor.
Place the CENTER SPEAKER precisely between the two
MAIN SPEAKERS. (To avoid interference, keep the speaker
above or below the television monitor, or use a magnetically
shielded speaker.)
If using a SUBWOOFER, such as a Yamaha Active Servo
Processing Subwoofer System, the position of the speaker is
not so critical because low bass tones are not highly
directional.
Ⅵ
Setting up your speaker system
Main speaker Center speaker Rear speaker
Subwoofer
PREPARATION