OPERATION
SETTING UP
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Set the subwoofer power switch to OFF.
As the ear is unable to detect the direction from which deep bass
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Turn the system Volume Control to minimum.
originates, this allows freedom in positioning the subwoofer.
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Re-check all system connections.
Varying the distance from the wall alters the amount of bass.
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Connect the supplied subwoofer power lead to the IEC
Some prefer to place the subwoofer against a room corner. This
power socket on the subwoofer and connect the mains plug
arrangement gives more bass at the possible expense of clarity.
into the wall socket.
LOUDSPEAKER SIZES
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Set the subwoofer volume control to the mid position
Many digital AV processors require you to specify the size of
(12o'clock)
speakers in the various channels. These are usually ‘Large’ or
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Switch on the mains power.
‘Small’. We recommend that you set all the Achromatic speakers
FINE TUNING
in the system to 'Small'. This will direct all the bass in the system
to the subwoofer and provide clean, deep and louder bass.
Switch on the subwoofer power switch. Check that the power
indicator on the front of the cabinet glows. Now switch on the
You may wish to experiment with setting the WA-T8 to “large”
system. Play a programme with extended bass and set the
depending on the level of bass you prefer.
system volume to a reasonable level. Adjust the subwoofer
Set the ‘Subwoofer’ option on the processor to 'On’ or 'Yes'.
volume control to produce the desired level of bass.
SETTING LEVELS
PHASE SWITCH: If the bass is indistinct or lacks depth, the Phase
Once the loudspeaker settings have been finalised, put the AV
switch may need adjustment. Set the switch to 0º and listen
amplifier into its “Test” mode (see your processor instructions),
carefully to some music with extended bass. If there is
Adjust the levels until all channels are equally loud.
insufficient bass output from the sub-woofer set the Phase
switch to 180º. Select the position which produces the most
You may need to adjust the subwoofer output level. Avoid
natural, extended bass.
setting too high a level or you will swamp the sound with bass
which be tiring to listen to and may limit the subwoofer’s ability
LOW PASS FILTER.
This adjusts the blend between the
to respond to large bass transients. Set a sensible level going
subwoofer and the main speakers. and enables the system to be
into the subwoofer. The subwoofer volume control should be
set up for optimum bass performance. The system has been
between 12 o’clock and 3 o’clock .
optimised for a setting of 65Hz. For stronger bass you can set the
switch to 75 or 85 Hz. If you choose too low a setting there may
LFE
be a ‘hole’ in the bass response; too high a setting with the
The Low Frequency Effects channel was designed as an additional
tower speakers may result in bloated upper bass.
bass channel with its own dedicated subwoofer. In practice
AUTO SWITCH.
In normal mode the subwoofer is permanently
however, if all the speakers are set to Small, the LFE channel will
on. This may result in low level hum or noise if the rest of the
be combined with the bass from other channels and all this feeds
system is switched off and the subwoofer is left switched on.
into the subwoofer. When you set the LFE level from your AV
processor, use care with this setting as the LFE channel may
contain powerful low frequencies which, although normal in a
cinema, may overload a domestic subwoofer.
If, during a programme, you hear popping or thumping noises
coming from the subwoofer, immediately turn the AV
Processor's volume level down and then back off the LFE level. If
this does not cure the problem, back off the volume level at the
subwoofer.
When the system is not in use for extended periods, we suggest
Please read the relevant sections of your AV amplifier manual
you switch off the subwoofer to protect it from switching noises
and familiarise yourself with the various issues. If you are
caused by domestic appliances, etc.
unsure, consult your dealer for help.
Setting the AUTO switch to ON automatically turns the
subwoofer on when a signal is detected at any of the inputs and
turns it off (Standby Mode) after a period of inactivity. We
recommend the AUTO switch be set to ON for normal operation.
In AUTO mode the indicator on the front of the subwoofer will
glow RED when the unit is in Standby and GREEN when
operational. If your subwoofer is disconnected from the mains
or the Power switch is “Off”, the indicator will be extinguished.
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