User manual

24
Connect the loudspeaker lines at the
back of the built-in amplifier module to
the subwoofer chassis.
Fasten the built-in amplifier module with
screws in the opening.
Connection of the signal inputs and outputs
Make sure when connecting the built-in amplifier module that the
connecting cable is neither squeezed nor damaged by sharp
edges.
Ensure to connect the inputs only to low-level audio outputs or to
suitable loudspeaker outputs of audio systems.
Before you start with the connecting work, make sure that the val-
ues for input sensitivity and input impedance, that can be found in
the technical specifications, match the data of the connected
audio devices. Otherwise the built-in amplifier module or the
audio device may be damaged.
The device to which the built-in amplifier module is connected
must be switched-off during the connecting work.
The built-in amplifier module can be connected via cinch connecting point LINE IN
(9) to a low-level audio output or via loudspeaker input HI LEVEL IN (10) to the loud-
speaker outputs of audio amplifiers.
Never use the two connecting modes simultaneously.
Connection via cinch connecting point
Connect the cinch connecting point LINE
IN (9) to the low-level audio output of
your audio amplifier.
Use a shielded cinch line for this.
If necessary, it is possible to transmit the
signal of the audio output via cinch con-
necting point LINE OUT (9) to further
devices.
Use a shielded cinch line for this.
rote line = positive pole
black line = negative pole
Connect the white jack to the left and
the red jack to the right audio output of
the amplifier.
Use an audio output that is influenced
by the volume control of the audio
amplifier. Otherwise the volume rela-
tions between subwoofer and loud-
speakers change in case of volume vari-
ations.
Connect the white jack to the left and
the red jack to the right audio input of
the relevant device
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Adapt the volume of the subwoofer by
means of the volume control LEVEL (8) to
the other loudspeakers.
Adapt the separating frequency by
means of the separating frequency con-
trol CROSSOVER (7) to the playback
characteristics of the other loudspeakers.
Set the phase switch or phase regulator
(6) to the position in which the playback is
the cleanest.
Turn the connected audio device off.
Turn the built-in amplifier module off.
Handling
• Never plug the mains plug into a mains socket immediately after the device has
been brought from a cold into a warm room. Condensation water that forms may
destroy your device.
Leave the device unplugged until it has reached room temperature. Wait until
the condensation water has evaporated.
• Never plug or unplug mains plugs when your hands are wet.
• Do not pull the mains plug from the socket tugging at the wire. Only pull at the pro-
vided gripping surfaces to unplug the mains plug.
• If you do not use the device for a longer period of time, pull the mains plug from the
mains socket.
• Ensure a sufficient ventilation of the device during the operation.
• For safety reasons, always pull the mains plug from the mains socket in case of a
thunderstorm.
• Avoid listening to the music at an excessive volume for a longer period of time.
This may damage your hearing.
The subwoofer should not be heard
acoustically. Booming sounds should be
avoided.
The subwoofer should complement the
existing loudspeakers in the deep bass
range. Set the deepest possible sepa-
rating frequency without producing too
high pitches or "holes" in the frequency
band. After this setting it is perhaps nec-
essary to adjust the volume control LEV-
EL (8) once again.
Booming sounds should be avoided.
The bass should not sound "swollen" or
"rumbling".
Set the operating mode selector (4) in
the position "OFF".
If the operating mode selector (4) has
been set to the position "AUTO", the
built-in amplifier module switches itself
automatically off after approx. 20 min.