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Multi-Way Loudspeaker Setup; Channel Eq - Focal ASTRAL 16 Gebrauchsanleitung

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ASTRAL 16
U s e r m a n u a l
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Multi-way Loudspeaker Setup

During the initial Theater Definition setup, you
have the option of defining the front LCR speakers
as multi-way. Doing so will assign 2 or 3 output
channels to each speaker instead of 1. In this
configuration, more than 1 amplifier channel will be
used per loudspeaker, and Astral 16 will perform
the crossover function for each loudspeaker.
All settings in the Bass Management section
detailed in "Individual Channel Adjustments" and
"Expert Bass Management" also apply and will not
be covered again here. This section only describes
the differences notable for multi-way loudspeaker
configuration.
1. Signal
Note that in this example (Left Front is a 3-way
active loudspeaker), Each of the first 3 channels
receives the same Left Front signal.
2. Channel Name
By default, the channel names are named by the
signal they receive and proceeded by a sequential
number. For clarity, you may wish to rename these
according to the signal they reproduce e.g. Left
Front High, Left Front Mid, Left Front Low.
3. Multi-way Management
Use this section to filter the signal for each section.
Section:
Choose
reproduces Full Range, Low Pass Filtered,
Middle (band pass), or High Pass Filtered audio.
Two-way speakers will not have Middle option.
Crossover Frequency: When the section is
chosen as anything other than Full Range, set
the crossover frequency for the Low and High
Pass filters for each section.
whether
each
channel
Slope: For each filter, select a slope. Options
are Butterworth 6dB / oct, Butterworth 12dB /
oct, Butterworth 18dB / oct, Linkwitz Riley 12dB
/ oct, and Linkwitz Riley 24dB oct, Butterworth
48dB / oct, Linkwitz Riley 48dB / oct.
4. Delay
Set the delay of each section. For active multi-
way loudspeakers, it may be helpful to do this
in
milliseconds
and
differences at the crossover point when using LR
or BT6 filters to time align each section of a multi-
way loudspeaker.
5. Level
Active multi-way loudspeakers almost certainly
have different sensitivities per module. Set the
relative level of each here. When possible, use
0 as the maximum figure and attenuate other
channels to match the loudest channel. You can
also set global makeup gain for the entire theater
as described in "20. Level".

6. Channel EQ

For each channel, you can adjust EQ by selecting
the Wheel. EQ can be bypassed to compare with
and without equalization selecting On or Off.
Channel EQ
Each channel can have up to 20 filters cells
for equalization, including additional crossover
capabilities.
1. EQ Bypass
When developing a custom set of EQ per channel,
it is sometimes helpful to bypass the entire group
of EQ to check your progress against the starting
point.
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measure
time-of-arrival

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