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Available languages
†
channel selector
‡
signal input socket right channel
ˆ
signal output socket right channel
‰
signal input socket left channel
Š
signal output socket left channel
Indicators (on the front, behind cover)
s
operating indicator
d
stand-by indicator
Installation
Checking the mains voltage
First of all make sure that the operating voltage,
indicated on the type plate at the rear, corresponds
to your local mains voltage. if it does not, consult
your dealer.
Note for users in Great Britain
When fitting a mains plug to the mains lead,
please proceed as follows:
The wires in the mains lead are coloured in
accordance with the following code:
Blue = Neutral, Brown = Live.
As these colours may not correspond with the
colour markings identifying the terminals in your
plug proceed as follows:
The brown wire must be connected to the terminal
which is marked with the letter L or coloured Red.
The blue wire must be connected to the terminal
which is marked with the letter N or coloured black.
Note: This apparatus must be protected by a 3
amp fuse if a 13 amp plug is used, or if any other
type of plug is used by a 5 amp fuse either in the
plug or adapter, or at the distribution board. lf in
doubt consult a qualified electrician.
Location of the MFB enclosures
The location of the loudspeakers should be
chosen with care to ensure optimum sound
reproduction. Their acoustic properties largely
depend on the size, shape, upholstery and
furniture of the room in which they are to be
placed. As these conditions differ for every
situation, it is impossible to provide a uniform
solution
The most favourable position can therefore be
determined only by trial and error. The following
hints may be useful.
• The distance between the individual enclosures
should be approximately the same as that
between the listener and the enclosures.
• lf the enclosures are placed in corners, against
the wall or on the floor, the bass reproduction is
reinforced.
• Location of the loudspeaker enclosures behind
furniture, curtains or heavy textiles should be
avoided, as this has an adverse effect on the
reproduction of treble notes.
• Keep the arrangement as symmetrical as
possible. A certain degree of asymmetry can be
corrected by adjusting the stereo balance control
on the driver unit.
• In the case of ambiophonic reproduction with 4
loudspeaker enclosures the above rules apply
equally to the enclosures behind the listener.
Connection to the mains
After making sure that power switch
position (not-depressed) connect each enclosure
to the mains by plugging the mains plug into the
wall socket.
Connection to the driver unit
Irrespective
of
the
preamplifier being used the connections should
be made as follows:
By means of one 2-channel audio signal cable
A
connect the right and left signal input sockets
‡
‰
and
of one enclosure to the right and left
output sockets of the driver unit. If your driver
unit has been provided with DIN loudspeaker
sockets, a 5-pole DIN connection socket, or
screw or clamp terminals, use should be made of
adapter B, C or D respectively.
Ensure that the connections for 'right' and 'Ieft'
are not interchanged!
Now connect the right and left signal output
ˆ
Š
sockets
and
of this enclosure to the right
and left signal input sockets
second enclosure
by
A
channel audio cable
Without using this interconnection facility it is, of
course, also possible to connect the left and right
channel outputs of your driver unit directly and
separately
to the input sockets
loudspeaker enclosure by means of only one
lead of both 2-channel audio cables
Attention: Irrespective of the way of connection
being chosen the channel selector switch
each enclosure should be set to the correct
position (read chapter 'Position of switches').
Increasing the power
lf a higher power/channel is required, several
enclosures can be coupled to one another in the
way described above. The channel selector
‚
is in 'off'
type
of
amplifier
‡
‰
and
of the
means of the second 2-
of
each
A
.
†
or
on
3
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