Atlantic Technology IW-30 LCR Instrukcja obsługi - Strona 3
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Instruction Manual
Room Acoustics
Hard surfaces create lots of sound reflections in the room while soft surfaces
tend to absorb sound. Note the speakers' location in terms of proximity to
glass and other highly sound reflective or absorptive surfaces. A simple set
of curtains or an area rug can make a major difference in sound quality and
intelligibility by reducing excessive reflections.
Speaker Placement
For all the following situations, it's recommended that you first place small
box speakers in the proposed locations, just to get a good idea of how
that location will sound. In-wall speakers are tough to move once they're
installed!
Using the 30 LCR's Tiltable M-T-M Baffle
The IW-30 LCR has a unique tiltable-rotatable M-T-M baffle that lets
you direct the sound with unusual precision, exactly where you want
it—regardless of the speaker's physical location in the room.
Determine if the IW-30 LCR is going to be mounted horizontally or ver-
tically. If it will be mounted horizontally, the M-T-M baffle should be
rotated 90˚ to maintain the proper vertical orientation of the midranges
and tweeter, which is essential for the speaker to deliver its THX-certified
performance.
IMPORTANT: Rotate the baffle before the speaker is installed in the wall.
-90º
M-T-M baffle can be rotated 90 degrees from center. Do not exceed this rotation angle
to avoid putting undue stress on the midrange-tweeter lead wires.
+90º
tion by gently pressing in on the edge of the M-T-M baffle until the desired
degree of tilt is achieved. The M-T-M baffle may be tilted either before or
after the speaker is installed in the wall.
For all the following placement instructions, it's important to bear in mind
that for aesthetic considerations, many people prefer to mount their in-wall
speakers well above seated ear level, as doing so minimizes the speakers'
visual intrusion on the room.
In those cases, simply angle the 30 LCR's midrange-tweeter baffle down
towards the listening area and the 30 LCR's midrange and treble output—
which determines both intelligibility and localizability—will be clear and
uncompromised, even though the speakers are mounted high up on the
walls.
Stereo Music Listening
For stereo music reproduction, place the speakers at approximately ear
level when seated, with both speakers on the same wall facing the prime
listening location. A separation of approximately 6 to 8 feet between the
left and right speakers is usually good. Ideally, the distance between the
two speakers will be close to the same as the distance from the speakers to
the listening position.
The M-T-M baffle can be "toed in" slightly for better coverage of the listen-
ing area.
Left
Speaker Placement
3
To rotate the baffle, hold
the baffle on the front
and rear flat surfaces
(being careful not to
press on the midrange
or tweeter diaphragms)
and turn the M-T-M
baffle to its desired
position. Do not exceed
90˚ of rotation to avoid
putting undue stress on
the midrange-tweeter
lead wires.
The M-T-M baffle may
be tilted in any direc-
Right
Subwoofer