T+A K8, Руководство по установке

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Subwoofer:
In this menu point you can define whether your loudspeaker system includes a
sub-woofer, and which signals it is required to reproduce. The following options
are available:
On
Recommended setting for sub-woofer / satellite systems
The signals from the bass effect channel (LFE) and all other
low-frequency bass signals (below the set cross-over
frequency), which are not reproduced by the full-range
loudspeakers, are assigned to the sub-woofer. In this mode it
may occur that the sub-woofer has no signal to reproduce in
certain surround modes, or in the case of multi-channel input
signals without an LFE channel.
If you decide to use the bass manager, you should switch off
the low-pass filter on the sub-woofer, as the bass manager
carries out the filtering.
Off
This setting should only be selected if at least the main loud-
speakers are of the full-range type.
Your system does not include a sub-woofer. The signals of
the bass effect channel (LFE) and all other low-frequency
bass signals (below the set cross-over frequency) are as-
signed to the main loudspeakers.
Permanent recommended setting for full-range loudspeakers and sub-
woofer. If a sub-woofer is present and you wish it to operate
constantly. In addition to bass management the signals of all
channels are mixed together and reproduced by the sub-
woofer.
      
If the sub-woofer is switched on in the 'Loudspeaker menu', its level can be
altered within the range -20 (dB) und +10 (dB) in the ‘Loudspeaker level’ menu.
This enables you to match the volume of the sub-woofer to the volume of the
other channels.
Cross-over frequency:
At this point you can select the lower limit frequency for satellite loudspeakers.
For all loudspeakers whose size is ranked as ‘satellite’, the bass manager
mixes the bass signals (below the frequency set at this point) onto the sub-
woofer and other loudspeakers with a suitable frequency range.
The following values (Hz) can be set:
50 60 70 80 90 110 140 170