of
about
40°
between the two sound sources. The
distance
from
one loudspeaker enclosure to the other
is
determined
by their distance
from
the listener and by
the
40°
"listening angle."
Loudspeakers may be positioned
at
any height above
the
floor, although locating the high frequency direct
radiator
near ear level usually gives the most realistic
suggestion of
a
live
performance.
Bass
response
will
be augmented if the enclosures are placed near adjacent
room
surfaces, such
as
in
a
corner or on
a
wall
near the
floor
or ceiling.
The
L36
is
provided
with
a
Presence
control to
regulate the relative loudness of the midrange
transducer and
a
Brilliance control to adjust the volume
of
level of the high frequency direct radiator. These
controls
adjust the output of the component
loudspeakers to achieve realistic tonal
balance
in
a
variety
of room conditions.
The
controls are calibrated in terms of
a
reference level,
indicated
by
a
"0" on the instruction plate. When both
the
Presence
and Brilliance controls are set at this level,
the
loudspeaker system
will
be
adjusted for balanced
6
LOUD-
'
SPEAKER
LOUD-
SPEAKER
ADJUSTING
THE SYSTEM
40°
"Listening
Angle"
Sound
energy from
each
loudspeaker blends to form a
stereo "wall of sound." The stereo image
will
be intensified
and the
area
of best stereo perception increased if the two
systems
are rotated
slightly
toward the preferred
listening
position.
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