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_ @00 RX-VI400U EN.book Page II
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Thursday, July 10,2003 12:17 AM
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more than 30 cm
( 12 inches)
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The speaker layout above shows the standard ITU-R speaker
setting. You can use it to enjoy CINEMA DSP, multi-channel
audio sources and THX.
Front speakers (FR and FL)
The front speakers are used for the main source sound plus
effect sounds. Place these speakers an equal distance from
the ideal listening position. The distance of each speaker
fi'om each side of the video monilor should be the same.
Center speaker (C)
The center speaker is for the center channel sounds
(dialog, vocals, etc.). If for some reason it is nol practical
to use a center speaker, you can do without it. Best results,
however, are obtained with the full syslem. Align the front
face of the center speaker with the front face of your video
monitor. Place lhe speaker centrally between the front
speakers and as close to the monilor as possible, such as
directly over or under it.
Surround speakers (SR and SL)
The surround speakers are used for effect and surround
sounds. Place these speakers behind your lislening
position, facing slightly inwards, about 1.8 m (6 feet)
above the floor.
Surround back speakers (SBR and SBL)
The surround back speakers supplement the surround
speakers and provide for more realistic front-to-back
transitions. Place these speakers directly behind the
listening position and at the same height as the surround
speakers. They should be positioned at least 30 cm (12
inches) aparl. Ideally, they should be positioned al the
same width as the front speakers.
Subwoofer
The use of a subwoofer, such as the YAMAHA Active
Servo Processing Subwoofer Syslem, is effective not only
for reinforcing bass frequencies from any or all channels,
but also for high fidelity reproduction of the LFE (Iow-
fi'equency effect) channel included in Dolby Digital and
DTS software. The position of the subwoofer is no1 so
critical, because low bass sounds are nol highly
directional. But it is better to place the subwoofer near lhe
front speakers. Turn it slightly toward the center of the
room to reduce wall reflections.
Presence speakers (PR and PL)
Presence speakers supplement the sound from the front
speakers with extra ambient effects produced by CINEMA
DSP (see page 41). These effects include sounds thai
filmmakers intend 1o locate a little farther back behind the
screen in order 1o create more theater-like ambience. Place
these speakers at the front of the morn about 0.5 - 1 m ( 1-3
feet) outside the front speakers, facing slightly inwards,
and about 1.8 in (6 feet) above the floor.
• Di-pole speaker layout
Either di-pole or direct radiating speaker types can be used
for THX surround. If you choose di-pole speakers, please
place the sun'ound and surround back speakers according
to the speaker layout below.
! :Di-pole speaker
:Direclion of di=pole speaker
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