Snell XA2900, Руководство пользователя

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P L A C E M E N T O F Y O U R S P E A K E R S Y S T E M
Stereo Image
The distance between the speakers determines the width of
the stereo image. If the speakers are placed too close
together, the image will be too narrow; too far apart and
the blend will suffer, creating a hole in the middle. When
properly placed, your speakers will create a continuum of
virtual images from left to right, with an illusion of sound
outside, in front of, and behind the speaker systems. We
recommend an angular separation of approximately 50
degrees (when viewed from above). This is equivalent to a
separation between the speaker systems that is about 85%
of the distance to either of the speakers from the listener
location.
The distance from the listener location to the left speaker
and the right speaker should be as equal as possible. We
advise using a tape measure to ensure the distance from
each of the speakers to the primary listening position is the
same. The result will be well worth the time and effort.
50 °
Distance Between Speakers
Distance t
o Listenin
g Ar
ea
Room-Related Bass Effects
Your room dimensions will determine the frequencies of a
phenomenon call “standing waves”. Where the speakers are
placed relative to the strong points and weak points (anti-
nodes and nodes) of these standing waves significantly
affects the bass characteristics of the system. Experiment
until you find the speaker locations that produce the best
overall sound for your room. Choose a musical selection
with a heavy and continuous bass line. Repeat a short
section until you have a firm impression of it in your mind.
Then try another speaker location. Repeat this process until
you are content with the bass response. Your goal should be
even reproduction of each bass note without undue
prominence of any of them. Moving your listening position
may affect the sound as much as moving the speakers. If
practical, try different listening locations as well as speaker
locations.
See Optimizing the Sound section of this manual for more
information.
Toe-In
Toe-in refers to the angling of the speaker systems toward
the listener location. Toe-in is a matter of taste. As the
degree of toe-in increases, the stereo effect becomes more
sharply defined, that is, more like listening to headphones.
Toe-in also improves the stereo effect for listeners seated in
off-center positions. Having your speakers aligned with
their backs parallel to the wall gives a more diffuse sound
with a less defined central image. Toeing-in should be the
last step in the placement of your speaker system. After
finalizing speaker position and listener location, place the
speakers with their backs parallel to the back wall or
cabinet. Experiment from there, turning the speakers
toward the listening area in 10-degree increments, until you
achieve the desired effect.
Grille Removal and Installation
The grille is held in place with 8 fastener that snap into
cups on the front of the cabinet. To remove the grille grasp
the grille frame at the corners and pull it straight off the
front of the cabinet. To replace the grillle, align the grille
frame with the front of the cabinet and push to snap it into
place.
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