Setup “Tips and Tricks”
Setting Speaker Levels
Although it is possible to set Speaker
Levels using an SPL meter, this can, in
some cases, be improved by making
small final adjustments “by ear” while
listening to music instead. While sitting
in the preferred location, play a track
with a solid centre phantom image
(“Tom’s Diner” by Suzanne Vega is a
good choice) and adjust one of the
Speaker Level values to place the
centre image in the correct location.
This should be done
after
the Speaker
Distances have been adjusted.
ARC vs. Beam Width and Beam
Direction
The Active Room Compensation
algorithm calculates a custom filter for
the Beam Width, Beam Direction, and
Latency Mode of the preset. When
editing a preset, it is wise to turn off
the ARC filters while switching between
different Beam Widths, Beam
Directions, and Latency Modes in order
to avoid waiting for this calculation to
be performed. When the appropriate
settings have been chosen, then go
back to your ARC setup and enable the
filters.
iOS settings during setup
In some cases, particularly when
making ARC measurements, it may be
helpful to change the Settings of your
iOS device to ensure that it does not
“sleep”, since this can cause it to lose
communication with the BeoLab 90’s
Speaker Distances for larger
listening areas
When measuring the Speaker
Distances for larger listening areas
(with more than one person), it is
sometimes better to measure the
distance from a given loudspeaker to
the closest listener. This is particularly
true in multichannel systems.
For a “Party Mode” where there is no
single listening position (either due to
the size of the crowd, or the fact that
the listeners are moving throughout
the space), it is usually better to set
the Speaker Distances and Speaker
Levels to the matching value (e.g. 1.0
m and 0.0 dB).
Multichannel systems with more
than 2 BeoLab 90’s
In cases where two or more pairs of
BeoLab 90’s are used in a multichannel
system, then care should be taken to
ensure that the Preset numbers for the
different pairs of loudspeakers match
appropriately. This is because the
BeoVision television sends only one
Speaker Preset value to all Power Link
and Wireless Power Link outputs.
Background noise during ARC
measurements
It is important to ensure that there is
as little extraneous noise as possible
during the ARC measurement
procedure. This includes turning off air
conditioning systems or performing the
measurements during low-traffic hours,
where possible.
ARC filter calculation time
When creating an ARC filter that uses
the measurements from more than
ARC Zone, it is advisable to wait until
the first calculation is done before
including the second Zone.
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