Yamaha 400 BWS251-300/400 Installation Manual EN image - Page 2

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Mount the fixture to which the speaker has been fastened on the wall installation fixture so that washers come to the fastening nut (bottom) as shown in Figure 3. Next, firmly tighten the nut and bolt that hold the two sections of the bracket together. To set the vertical direction for the speaker, loosen the two M8 angle adjustment screws, adjust the angle, then tighten the screws back down again. Do not force the adjustment with the screws still tightened. Warning Since the angle adjustment screws may come out altogether if they are loosened too far, loosen them only the bare minimum necessary for adjusting the angle. When passing the speaker cord in from the rear side of the wall, use the speaker cord hole in the installation fixture (Figure 4). Warning If your speaker's owner's manual instructs you to install the speakers at specific angles, please follow those instructions when attaching the bracket. Nut and bolt that hold the two sections of the bracket .together Tighten Wall installation fixture Angle adjustment screw Wall Speaker cord Iktritti Washer Nut Figure 3 Dimensions Figure 4 O rOo 1O 60 09 Hole for the speaker cord O r 6 07 9.0 64 88 0 cNr. N 0 rOo 9.0 1st 64 to 88 120 4 90 3.0 50 3.0 -0 M8 M24 M24 M8 r. 40 L= 300, 400 L= 340 , 440 O ti (.0 N 3.0 A ti 0 O N O Unit : mm Weight : 4.4kg for the BWS251-300 5.2kg for the BWS251-400 YAMAHA CORPORATION Pro Audio Division, #18/3 P.O.Box3, Hamamatsu, 430-8651, Japan YAMAHA Printed in Japan

  • 1
  • 2
Mount
the
fixture
to
which
the
speaker
has
been
fastened
on
the
wall
installation
fixture
so
that
washers
come
to
the
fastening
nut
(bottom)
as
shown
in
Figure
3.
Next,
firmly
tighten
the
nut
and
bolt
that
hold
the
two
sections
of
the
bracket
together.
To
set
the
vertical
direction
for
the
speaker,
loosen
the
two
M8
angle
adjustment
screws,
adjust
the
angle,
then
tighten
the
screws
back
down
again.
Do
not
force
the
adjust-
ment
with
the
screws
still
tightened.
Since
the
angle
adjustment
screws
may
come
out
altogether
if
they
are
loos-
ened
too
far,
loosen
them
only
the
bare
minimum
necessary
for
adjusting
the
angle.
Warning
Iktr
itti
Nut
and
bolt
that
hold
the
two
sections
of
the
bracket
.together
Tighten
Wall
installation
fixture
Angle
adjustment
screw
Figure
3
Washer
Nut
When
passing
the
speaker
cord
in
from
the
rear
side
of
the
wall,
use
the
speaker
cord
hole
in
the
installa-
tion
fixture
(Figure
4).
Warning
If
your
speaker's
owner's
manual
instructs
you
to
install
the
speakers
at
specific
angles,
please
follow
those
instructions
when
at-
taching
the
bracket.
Wall
Figure
4
Speaker
cord
Dimensions
60
O
O
ro
1O
O
09
Hole
for
the
speaker
cord
r
6
07
M8
9.0
64
88
M8
M24
M24
O
3.0
r.
A
ti
ti
(.0
N
40
L=
300,
400
L=
340
,
440
0
0
cr.
N
N
4
O
ro
9.0
64
88
120
90
3.0
50
3.0
0
O
1st
to
-0
O
N
Weight
:
4.4kg
for
the
BWS251-300
5.2kg
for
the
BWS251-400
Unit
:
mm
YAMAHA
CORPORATION
Pro
Audio
Division,
#18/3
P.O.Box3,
Hamamatsu,
430-8651,
Japan
YAMAHA
Printed
in
Japan