Cambridge Audio Azur 351R User Manual Download

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351R

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ENGLISH

Advanced setup

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normal use. However, the 351R also features many more advanced settings
for users who wish to further customise the settings and operation to
personal preference.

Sub crossovers and bass management

As covered in the '351R Setup' section the 351R performs bass management
for any speaker that is set to 'Small' in the OSD. This means that bass for
speakers that are unable to reproduce bass effectively is instead routed to
the subwoofer.

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determine the point as which this transition is made. In other words they set
the frequency below which bass is routed away from any 'Small' speakers
and into the subwoofer channel. It should be understood that bass sent to
the subwoofer by bass management is different to bass encoded into the
surround-sound material as a dedicated Low Frequency Effects channel.

If the source material contains a separate LFE channel (i.e. DD or DTS
material) this is always routed to the subwoofer (if it is On) and is not affected
by the crossover setting. Some encoding types (Such as Dolby Dolby Pro Logic
II and Neo:6) do not actually have a LFE channel.

The default setting for all bass management crossovers is 80Hz and is a good

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all crossovers at this default setting.

Note:

These settings are actually only used for speakers that have been set to

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used for any speakers set as 'Small' independently to allow for the fact

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(and to the Subwoofer) at perhaps 50Hz but away from Surround Left and

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to consult your loudspeaker manufacturers documentation or contact your
dealer to determine the frequency response of your system and where each
speaker types bass response starts to tail off (often called the 3dB or 6dB

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crossover should be set to.

azur 351R

Audio In. Select

Tone/Sub Config.

Speaker Config.

Speaker Distance

Speaker Level

Speaker Xover

Auto Setup

Dolby/DTS Setup

OSD Setup

Front L/R

Center

Surr. L/R

Quit : [I/O]

Enter : [ENTER]

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steps and also to 200Hz.

The 351R incorporates a couple of advanced Bass Management features.
The overall Sub Level for DD/DTS modes, Dolby Pro Logic II/Neo:6 modes
and Sub mode can be set to different levels. This can be useful if
you prefer to have a high level of Sub operation whilst watching movies but a

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+/-5dB in the OSD. The second feature is that the way Bass Management is
applied can be changed.

In normal operation (Bass Augment Off) if the Front speakers are set to 'Small'

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the Fronts and sending that bass to the Sub channel (i.e. bass is removed

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place and no bass is sent from them to the Sub channel.

However with the Bass Augment function On and the Front speakers set to
'Large', bass from the Front Left and Right is now sent to the Sub channel

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channels remain full range). In other words, the bass in the Sub channel is

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Left and Right are set 'Small', Bass Augment has no effect and operation is
the same as for Bass Augment Off.

Bass Augment can be On or Off separately for DD/DTS or Dolby Pro Logic II/
Neo:6 operation.

There is no Bass Augment function for Sub mode because in this
mode if the Front speakers are set to 'Large' they will actually always be

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Bass Augment can be a useful function with Dolby Pro Logic II and Neo:6
material because these encoding types do not include an LFE Channel. This
would normally mean that if all the speakers in your setup were set to 'Large',
the subwoofer would in fact be inactive (as no bass has been re-directed
plus there is no LFE channel). If it is desired to have the subwoofer running
with all Large Speakers and these encoding types, enable Bass Augment for
Dolby Pro Logic II/Neo6 and then set the Crossover points and levels by ear.
A Sub channel will now be created from the Front Left and Right channels

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to determine what works best with your particular setup.

Note:

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modes but not in Analogue Stereo Direct mode.

The LFE channel (for DD / DTS material) can also be trimmed by up to 10dB in
1dB steps useful for late night listening or other situations where it might be
desired to reduce the low frequency effect level perhaps temporarily.

Remember the LFE is the Low Frequency Effects channel encoded into
the disc and is different to the over all sub level which can include bass
management from the other speakers.

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without entering the OSD by pressing the Bass/Treble button on the remote
and then using the volume up and down buttons.