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SPEAKER PLACEMENT
Optimally, the speakers should be placed in a circle with the listening
position at its center. The speakers should be angled so that they directly
face the listening position.
Front Speaker Placement
The center speaker is placed either on top of, below or mounted on
the wall above or below the video display screen.
The front left and right speakers are placed along the circle, about
30 degrees from the center speaker and angled toward the listener.
Place the front left/right and center speakers at the same height, prefer-
ably at about the same height as the listener’s ears. The center speaker
should be no more than two feet above or below the left/right speakers.
If you’re using only two speakers with the AVR 3550HD, place them in
the front left and right positions.
Placement of the surround speakers depends on the number of speakers
in your system.
Figure 15 – Speaker Placement (5.1-Channel System)
Placement of Surround Speakers in a 5.1-Channel
System
The side surround speakers should be placed 110 degrees from the
center speaker, slightly behind and angled toward the listener.
Alternatively, place them behind the listener, with each surround speaker
facing the opposite-side front speaker. See Figure 15. The surround
speakers may be placed a little higher than the listener’s ears.
Placement of Surround Speakers in a 7.1-Channel
System
In a 7.1-channel system, the side surround speakers are placed 90 degrees
from the center speaker, directly to either side of the listening position.
The surround back left and right speakers are placed 150 degrees from
the center speaker, or directly facing the opposite-side front speaker.
See Figure 16.
Figure 16 – Speaker Placement (7.1-Channel System)
NOTE: Some speaker manufacturers offer 6.1-channel speaker
systems, for 6.1-channel surround sound formats, such as
Dolby Digital EX, DTS-ES Discrete and Matrix modes and DTS
Neo:6 mode.We do not recommend using the AVR 3550HD
in a 6.1-channel configuration. The 6.1-channel formats will
sound better when played through a 7.1-channel system. The
same surround back channel information is played through both
surround back speakers, but with twice the power and clarity.
To use the AVR 3550HD with a 6.1-channel speaker system,
place the single surround back speaker directly behind the
listener, but do not connect it until after you have run the
EzSet/EQ procedure for a 5.1-channel system. After the
EzSet/EQ process finishes, connect the surround back speaker
to the Surround Back Left Speaker Output. Then follow the
directions in the Advanced Features section for manual setup
of the surround back speaker.
Subwoofer Placement
The subwoofer’s location is less critical, since low-frequency sounds
are omnidirectional. Placing the subwoofer close to a wall or in a corner
will reinforce the low frequencies, and may create a “boomy” sound.
Temporarily place the subwoofer where the listener normally sits, then
walk around the room until the low frequencies sound best. Place the
subwoofer in that spot.
NOTE: Your receiver will sound its best when the same model
or brand loudspeaker is used for all positions.
C
90°
150°
90°
150°
30° 30°
SUB
FRFL
SL
SBL SBR
SR
C
Alternate placement
for Side Surround
Left Speaker
Alternate placement
for Side Surround
Right Speaker
110°
150°
110°
150°
30° 30°
SUB
FRFL
SL SR