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Customising the 861
Reference Digital
Surround Controller
The digital surround controller provides sophisticated
treble and bass controls, to allow you to adjust
the broad balance of the system to correct for the
acoustics of your listening room, or for a misbalanced
recording.
The controls are more subtle than conventional
tone controls, and take advantage of digital signal
processing techniques to provide a more natural
adjustment of the frequency response.
You can also change the absolute phase of the signal,
to compensate for recordings which are out of phase.
In each case all the outputs of the digital surround
controller are given the same frequency adjustment, to
ensure a correct surround effect.
If you have a Meridian DSP Loudspeaker the
Treble and Bass settings apply to all DSP presets.
To change the treble
Press < or > until the display shows the current
treble setting.
For example:
CD Treble +0.0
Press A or V to change the treble.
The treble control tilts the frequency of the response
over the entire frequency range to make the sound
more or less bright. It can be adjusted between ±10dB
in 0.5dB steps. Normally settings between +1.0 and
-2.0 will give the most natural results.
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To change the bass
Press < or > until the display shows the current
bass setting.
For example:
CD Bass +0.0
Press A or V to change the bass.
The bass control allows you to adjust the bass
response in the room by ±5dB in 0.5dB steps.
Normally settings between +3.0 and -2.0 will give the
most natural results.
To change the absolute phase
Press > or < until the display shows the current
phase.
For example:
CD + Phase
Press A or V to change the phase.
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Changing treble, bass, or phase