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SPEAKER POSITIONING + CONNECTION
Speaker positioning
General hints for positioning
Avoid positioning the speakers in a corner or on the
CENTER
floor, as this will boost the bass tones too much.
Placing the speakers behind curtains, furniture etc.
will reduce the treble response, thus reducing the
stereo effect considerably. The listener should
always be able to 'see' the speakers.
LEFT
Each room has different acoustic characteristics and
the positioning possibilities are often limited. You
can find the best position for your speakers by
REAR
following the picture on the right. The speakers
LEFT
should always be arranged as symmetrically as
possible in the room.
Positioning the centre speaker
The centre speaker should be placed in the centre
between both front speakers, e.g. underneath or on
top of the TV. The best height for the centre speaker
is at the height of the listener's ears (while seated).
Note: to avoid interference with the TV picture, use
only a magnetically shielded centre speaker.
Connecting the speakers
Positioning the surround speakers
In order to take full advantage of your unit´s supe-
The surround speakers connected to the REAR LEFT
rior playback quality and overall performance,
terminals of the amplifier should be on the left and
only HiFi speakers with corresponding load
the surround speaker connected to the REAR RIGHT
ratings should be used.
terminals of the amplifier on the right side of the
• The speakers should have an impedance of 4
listener in the room.
to 16Ω. I
The surround speakers should face each other and
• In addition, always make sure that speaker
be in line with, or at most 1.5m behind the listener.
wires are properly and tightly twisted to avoid
protruding individual wires. These can cause
Tip: Select for the front left and right channels your
shorts.
best speakers (HiFi) so that optimum stereo sound is
achieved. The centre speaker can be a small one or
also a HiFi speaker. For the rear or surround
channel you should use smaller speakers because of
less power and a limited frequency range.
OPERATION
Switching on and off
TUNER
When you want to switch your amplifier on, press
A
the POWER button. The red LED in the middle of the
CD
button indicates that the unit is on.
button depressed: POWER ON
A
TAPE
button not depressed: POWER OFF
The amplifier will be activated and the source that
A
TV
was chosen before the power was switched off will
be selected again.
A
VCR
If the amplifier had been switched to standby before
it was switched off, the standby mode will be
A
selected when the power is switched back on.
PHONO
The units connected to the AC outputs are also pro-
A
vided with power when the amplifier is turned on.
To switch off the amplifier press the POWER button
again.
When you switch the amplifier off with POWER, all
auxiliary units which are connected to the amplifier
via the AC outlets are disconnected from the power
supply.
Stand by
You can switch the system to STAND BY with the y
button on the system remote control.
TUNER
This also disconnects any units connected to the
A.C. outputs from the power supply. Active STAND
A
BY mode is indicated by the red LED in the middle
TUNER
of the power button.
When you want to switch your system on again,
simply press the SOURCE button on the unit or one
of the input selection buttons on the remote control.
Note: In order to keep power consumption at about
1W a stand-by transformer has been built in.
The choise for this option is a consequence of
Grundig's environmental policy targeting to reduce
unnecessary power consumption.
TV
RIGHT
TV
TV
CD
CD
TAPE
TAPE
VCR
VCR
TUNER
TUNER
PHONO
PHONO
IN
IN
OUT
OUT
IN
IN
OUT
OUT
L
L
REAR
R
R
RIGHT
REAR
REAR
REAR
REAR
RIGHT
RIGHT
LEFT
LEFT
CENTER
CENTER
RIGHT
RIGHT
LEFT
LEFT
+
–
Important:
Proper speaker connection is also important for
quality sound.
• As seen from the listener, the right speaker must
be connected to the right terminal (right channel)
and the left speaker to the left terminal (left
channel).
• One of the wires of a loudspeaker cable is
marked, e.g. with a colour or rib. Connect the
marked wire to the red terminal, the non-marked
wire to the black one. Make sure that all
loudspeakers are connected in the same way.
SOURCE SELECTION
Source selection
• Press repeatedly the SOURCE button to select the
desired listening source.
– The sources will light up on the display and are
selected in the following order: TUNER -> CD ->
TAPE -> TV -> VCR -> PHONO ->TUNER -> etc.
Automatic source selection
The RC-BUS of this series enables, among others,
that the amplifier automatically selects the correspon-
ding source if the respective unit starts to play.
E.g.:
• If you press the B, SHUFFLE, S or T
buttons on the CD player, the amplifier
automatically selects the input CD.
• If you press STATION 1 2, TUNING Q or
R on the tuner, the amplifier automatically
selects the input TUNER.
• If you press PLAY B on the cassette deck, the
amplifier automatically selects the input TAPE.
Switching the speakers on and off
Use the SPEAKERS button to switch all the
connected speakers on and off.
– When the speakers are switched on, the speaker
indication on the display lights up.
OPERATING ELEMENTS
POWER
– REAR
CENTRE +
VOLUME
by
by
– REAR
– REAR
CENTRE +
CENTRE +
-
-
+
+
VOLUME
VOLUME
POWER
POWER
# ## ## # ##
PRO-LOGIC
DIRECT
LOUD
A
B
TREBLE
Front of the amplifier
POWER
For switching the amplifier on and off.
SURROUND This button is used to switch between
INSTALL
SURROUND (DOLBY PRO LOGIC) and
– REAR
In PRO LOGIC mode: to call up rear
STEREO mode.
level adjustment mode and to lower
the rear or centre level (related to the
When pressing this button longer, you
front level).
enter the SURROUND INSTALL mode in
which you can call up different surround
I n SURROUND INSTALL mode: to
settings which can then be manipulated
manipulate the different surround
with the CENTRE + and – REAR buttons:
settings
/
/
CENTRE +
In PRO LOGIC mode: to call up
NORMAL
WIDE
PHANTOM
and – REAR buttons to select the centre
centre level adjustment mode and to
channel mode.
increase the centre or rear level
(related to the front level).
: use the CENTRE + and – REAR
DELAY
buttons to adjust the delay time of the rear
I n SURROUND INSTALL mode: to
channel.
manipulate the different surround
settings
:You will hear a 2 second test tone from
TEST
your speakers in the following sequence:
VOLUME
This control is used for adjusting the
Front left channel –> Centre channel
volume.
(value can be adapted with CENTRE +
and – REAR) –> Front right channel –>
Rear channel (value can be adapted with
CENTRE + and – REAR).
SOUND CONTROL
VOLUME
The volume can be adjusted with the rotary
VOLUME knob.
The volume can also be controlled via the remote
CD
control with the VOLUME +/– buttons.
LOUD
A
An illuminated dot in the VOLUME knob indicates
the respective adjustment position.
MUTING
The volume can be completely muted by pressing
the
button on the remote control.
This is useful, for example, if you want to take a
telephone call and do not want to be distracted by
music, news, etc., from your system.
If the muting function is used when recording a
tape, this has no effect on the subsequent recording
volume level as only the speakers are muted.
The LED in the volume knob blinks when the
CD
MUTING function is active.
DIRECT
A
The MUTING function can be deactivated by
pressing the
button again or by pressing the
VOLUME + button on the remote control or any one
of the input selection buttons.
BASS, TREBLE
The BASS and TREBLE controllers can be used to
individually adjust the higher and lower frequencies
from the sound of your speakers. In this way, you
can compensate for surrounding acoustic
irregularities which may be caused, for
example, by sound reflection behaviour on walls
with relatively large, empty surface areas, or
"damping" caused by furniture or other objects.
Note: These controls only function when 'DIRECT' is
switched off.
SURROUND
INSTALL
SOURCE
M100-ADPL
M100-ADPL
LOUDNESS
LOUDNESS
-
-
+
+
LOUDNESS
SURROUND
SURROUND
SOURCE
SOURCE
TREBLE
TREBLE
INSTALL
INSTALL
DIRECT
DIRECT
-
-
+
+
DIRECT
BASS
BASS
SPEAKERS
L
L
R
R
SPEAKERS
SPEAKERS
BALANCE
BALANCE
PHONES
PHONES
PHONES
BASS
BALANCE
SOURCE
For selecting the desired listening source.
LOUDNESS This switch is used during playback
to adapt the volume level to
individual hearing sensitivity.
DIRECT
This switch is used to bypass the BASS,
TREBLE and LOUDNESS controls
SPEAKERS This switch is used to switch all
speakers on and off.
: use the CENTRE +
PHONES
This socket is for connecting standard
stereo headphones with a 6.3 mm
jack. Volume is adjusted with the
rotary VOLUME knob.
BALANCE
This control is used to adjust the sound
balance between the left and right
channels
BASS
This is to adjust the bass tones.
TREBLE
This is to adjust the high tones.
LOUDNESS
Pressing the LOUDNESS button slightly accentuates
the lower and higher frequencies which renders a
more balanced overall sound during playback at a
low volume.
Its effectiveness depends in turn on the setting of the
volume knob. The sound is thus optimally adapted
to human hearing sensitivity, which is also
dependent on the respective volume.
If you have connected speakers which exhibit a
great deal of bass, LOUDNESS should always
remain off to achieve a more linear acoustic
pattern. In this way, you compensate for excessive
emphasis of the lower frequencies.
DIRECT
The DIRECT function bypasses all tone controls
bringing the sound unchanged to the speakers.
This means that the influence of the LOUDNESS,
BASS and TREBLE controls is removed from the
signal path
Note: LOUDNESS and DIRECT can not be switched
on at the same time.
BALANCE
For effective stereo playback, it is important that the
sound emanates equally from both speakers.
Acoustic equalibrium can be distorted by furniture
groups or the listener´s position in a room, thus
distorting the impression of stereo sound.
The BALANCE controller can compensate for such
distortions.
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