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Owner’s manual
Dear customer,
Thank you for choosing B&W. Please read this manual
f
ully before unpacking and installing the product. It will
help you to optimise its performance. B&W maintains a
network of dedicated distributors in over 60 countries
w
ho will be able to help you should you have any
problems your dealer cannot resolve.
Environmental Information
All B&W pro
ducts are designed to comply
with international directives on the
R
estriction of Hazardous Substances
(RoHS) in electrical and electronic equipment and the
disposal of Waste Electrical and Electronic Equipment
(WEEE). These symbols indicate compliance and that
the products must be appropriately recycled or
processed in accordance with these directives. Consult
your local waste disposal authority for guidance.
Carton Contents
Check in the carton for:
1 Plinth
4 M6 allen screws
1 M6 allen key
1 Foam plug (683 only)
2 Foam plugs (684 only)
1 Accessory pack containing:
4 M6 spike feet
4 M6 rubber feet
4 Lock nuts (10mm across flats)
Speaker Installation
The speakers are intended to be floor mounted only. It
is important to ensure the speakers stand firmly on the
floor using the plinth and, whenever possible, the spike
feet. To attach the plinth, stand the speaker on its top
taking care not to damage the cabinet or the drive units
during handling. Align the plinth with its attachment
holes in the underside of the cabinet ensuring that the
arrow on the underside of the plinth points forwards.
Secure the plinth using the four screws supplied.
Tighten the screws using the allen key supplied.
The spike feet are designed to pierce carpet and rest
on the floor surface. Initially, screw the lock nuts onto
the spikes enough to leave the nuts floating just above
the carpet when the spikes are resting on the floor
beneath. Screw the spikes fully into the threaded
inserts in the base of the plinth. Return the speaker to
the upright, again, taking car
e to avoid damage during
handling. Figur
e 1 illustrates attachment of the plinth
and spike feet.
If the cabinet rocks when placed in position on the
floor
, unscr
ew the two spikes that do not touch the
floor until the cabinet rests firmly without rocking.
Finally, lock all the nuts against the plinth. It may be
mor
e convenient to fit and adjust the spike feet after
speaker positioning has been optimised.
I
f there is no carpet and you wish to avoid scratching
the floor surface, use either a protective metal disc (a
c
oin perhaps) between the spike and the floor or use
the supplied rubber feet. Fit the rubber feet by
s
crewing one into each of the holes in the underside
o
f the plinth.
T
he grilles fitted to the front of speakers may be
removed if desired. Take care however not to touch
t
he moving parts of the drive units as damage may
result.
Speaker Positioning
A
djustment of speaker position following initial
i
nstallation will probably further improve the sound
quality and is usually worthwhile.
I
n either stereo or home theatre installations try to
ensure that the immediate surroundings of each
speaker are similar in acoustic character. For example,
if one speaker is adjacent to bare walls while the other
is adjacent to soft furnishings and curtains, both the
overall sound quality and the stereo image are likely to
be compromised.
Conventional Stereo Systems
To begin with, the speakers should be positioned
between 1.5m (5 ft) and 3m (10 ft) apart at two
corners of an equilateral triangle completed by the
listening area at the third corner. The speakers should
be approximately 0.5m (20 in) away from the back
wall, and at least 0.5m (20 in) away from any side
walls. Figure 2a illustrates this arrangement.
Home Theatre Systems
If the speakers are to be used for the front channels in
a home theatre system they should be placed closer
together than for 2-channel audio because the
surround channels tend to widen the image.
Positioning the speakers within approximately 0.5m
(20 in) of the sides of the screen will also help keep
the sound image in scale with the visual image. As
with conventional stereo positioning, the speakers
should ideally be approximately 0.5m (20 in) away
from the back wall, and at least 0.5m (20 in) away
from any side walls.
Stray Magnetic Fields
The speaker drive units create stray magnetic fields
that extend beyond the boundaries of the cabinet. We
recommend you keep magnetically sensitive articles
(CRT television and computer screens, computer
discs, audio and video tapes, swipe cards and the
like) at least 0.5m (20 in) from the speaker. LCD and
plasma screens are not affected by magnetic fields.
Connections
All connections should be made with the equipment
switched off.
There are 2 linked pairs of terminals on the back of the
speaker
. For conventional connection the terminal links
should remain in place (as delivered) and just one pair
of terminals connected to the amplifier. For bi-wire
connection the terminal links should be r
emoved and
each pair of terminals connected to the amplifier
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