Bose Model 601 Owner's guide - Page 10

Acoustics

Page 10 highlights

V. Room Acoustics The Model 601 provides outstanding performance in a wide variety of listening rooms. A particular virtue is its ability to provide an unusually large "Best Listening Area." However, the acoustics of the listening room will affect the quality of sound reproduced by any speaker system. Although the science of room acoustics is a complex one, there are steps that can be taken to optimize the acoustics of your listening room. One of the most common problems relates to rooms that sound too "bright." This occurs when the room contains very few furnishings and has bare walls and floors. The result is normally a shrill or harsh sound. A simple test to determine the "liveness" of your room can be accomplished by clapping your hands together. If you hear a ringing or echoing sound, your room is overly "live" or "bright." The addition of carpeting, wall hangings, or drapes will usually help to remedy this problem. If your listening area contains heavily stuffed furniture, wall-towall carpeting, and heavy drapes. etc.. you may find that the sound coming from your speakers is lacking in high-frequency energy. Rooms like this sound dull and lifeless and are often referred to as acoustically "dead." By removing some of the absorbent furnishings, the tonal balance of the system can be improved. The low frequencies of any speaker system radiate equally in all directions. Because of this, the wall behind the speaker and adjacent side walls reinforce these lower frequencies. The bass response of the 601 can be altered by changing the position of the speaker in relation to nearby walls and corners. If the speakers seem to be lacking in bass, moving the speakers closer to the rear wall or nearer to a corner of the room will increase the bass response.* If your system tends to produce a bassheavy. or "booming" sound, move the speakers away from the corner wall. Next, move the speaker away from the rear wall.* Also try using the 10 low-cut filter of your amplifier (if equipped with one) as this may restore a more natural tonal balance. Many room acoustic problems can be improved by using the bass and treble controls of your amplifier. You are encouraged to use your amplifier tone controls to adjust the sound quality to suit your listening room's acoustics and your personal listening tastes. 'See Section IV A. Speaker Placement, for recommended distances. •

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V.
Room
Acoustics
The
Model
601
provides
outstanding
performance
in
a
wide
variety
of
listening
rooms.
A
particular
virtue
is
its
ability
to
pro-
vide
an
unusually
large
"Best
Listening
Area."
However,
the
acoustics
of
the
listening
room
will
affect
the
quality
of
sound
reproduced
by
any
speaker
system.
Although
the
science
of
room
acoustics
is
a
complex
one,
there
are
steps
that
can
be
taken
to
optimize
the
acoustics
of
your
listening
room.
One
of
the
most
common
problems
relates
to
rooms
that
sound
too
"bright."
This
occurs
when
the
room
contains
very
few
furnishings
and
has
bare
walls
and
floors.
The
result
is
nor-
mally
a
shrill
or
harsh
sound.
A
simple
test
to
determine
the
"liveness"
of
your
room
can
be
accomplished
by
clapping
your
hands
together.
If
you
hear
a
ringing
or
echoing
sound,
your
room
is
overly
"live"
or
"bright."
The
addition
of
carpeting,
wall
hangings,
or
drapes
will
usually
help
to
remedy
this
problem.
If
your
listening
area
contains
heavily
stuffed
furniture,
wall-to-
wall
carpeting,
and
heavy
drapes.
etc..
you
may
find
that
the
sound
coming
from
your
speakers
is
lacking
in
high
-frequency
energy.
Rooms
like
this
sound
dull
and
lifeless
and
are
often
referred
to
as
acoustically
"dead."
By
removing
some
of
the
absorbent
furnishings,
the
tonal
balance
of
the
system
can
be
improved.
The
low
frequencies
of
any
speaker
system
radiate
equally
in
all
directions.
Because
of
this,
the
wall
behind
the
speaker
and
adjacent
side
walls
reinforce
these
lower
frequencies.
The
bass
response
of
the
601
can
be
altered
by
changing
the
posi-
tion
of
the
speaker
in
relation
to
nearby
walls
and
corners.
If
the
speakers
seem
to
be
lacking
in
bass,
moving
the
speakers
closer
to
the
rear
wall
or
nearer
to
a
corner
of
the
room
will
increase
the
bass
response.*
If
your
system
tends
to
produce
a
bassheavy.
or
"booming"
sound,
move
the
speakers
away
from
the
corner
wall.
Next,
move
the
speaker
away
from
the
rear
wall.*
Also
try
using
the
10
low-cut
filter
of
your
amplifier
(if
equipped
with
one)
as
this
may
restore
a
more
natural
tonal
balance.
Many
room
acoustic
problems
can
be
improved
by
using
the
bass
and
treble
controls
of
your
amplifier.
You
are
encouraged
to
use
your
amplifier
tone
controls
to
adjust
the
sound
quality
to
suit
your
listening
room's
acoustics
and
your
personal
listen-
ing
tastes.
'See
Section
IV
A.
Speaker
Placement,
for
recommended
distances.