L-ACOUSTICS ARCS FOCUS [7/12] Operating modes operating modes operating modes operating modes
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ARCSWIFO_UM_EN_1-0
w w w . l - a c o u s t i c s . c o m
7
77
7
3 OPERATING MODES
OPERATING MODESOPERATING MODES
OPERATING MODES
3.1 FULL-RANGE mode
In FULL-RANGE mode, the ARCS
®
WIDE/FOCUS SYSTEM operates within the nominal bandwidth of the enclosure.
It corresponds to the use of ARCS
®
WIDE/FOCUS enclosure(s) in standalone configuration, i.e. without complementary
subwoofers.
The ARCS
®
WIDE/FOCUS enclosure is driven by the LA4 or the LA8 amplified controller with a choice of two presets.
Single ARCS
®
WIDE / ARCS
®
FOCUS
Standalone ARCS
®
WIDE / ARCS
®
FOCUS line source
Horizontal
Vertical
Enclosure
[PRESET]
WIDE/FOCUS
[
ARCS_
WIFO
]
Enclosure
[PRESET]
WIDE/FOCUS
[
ARCS_
WIFO_FI
]
Frequency range (-10dB)
55Hz – 20kHz
Frequency range (-10dB)
55Hz – 20kHz
3.2 LOW-EXTENSION mode
In LOW-EXTENSION mode, the bandwidth of the ARCS
®
WIDE/FOCUS SYSTEM is extended in the low end.
It corresponds to the use of ARCS
®
WIDE/FOCUS enclosure(s) in combination with the SB18m subwoofer.
Each enclosure type is driven by the LA4 or LA8 amplified controller with dedicated factory presets. The ARCS
®
WIDE/FOCUS enclosure is driven with the same presets as in the standalone configuration. The SB18m subwoofer is
driven with a preset featuring an upper frequency limit at 60 Hz, for an optimal acoustic coupling with the line source.
Single enclosure + SB18m
Line source + SB18m
Flown horizontal
with ground-
stacked SB18m
Mixed
array
Recommended ratio
1 WIDE/FOCUS : 1 SB18m
Frequency range (-10dB)
32Hz – 20kHz
Enclosure
WIDE/FOCUS
SB18m
[PRESET]
[ARCS_WIFO_FI]
[SB18_60]
Enclosure
WIDE/FOCUS
SB18m
[PRESET]
[ARCS_WIFO]
[SB18_60]
Delay settings
When combining a line source with subwoofers, delays may have to be added to the presets. Refer to the
LA8 PRESET LIBRARY user manual to obtain the pre-alignment delay values.
Use
[
SB
1
8
_
60
_C]
with a
n
SB
1
8
m
array
in
c
ardioid
configuration
The cardioid configuration consists in reversing 1 element in an array of 4 subwoofers.
Refer to the SB18 user manual for details about the CARDIOID mode.
Recommended ratio
1 WIDE/FOCUS : 1 SB18m
Frequency range (-10dB)
32Hz – 20kHz
Содержание
- Arcs arcs arcs arc 1
- Focus system focus system focus system focus system 1
- User user user user manual manual manual manual 1
- Wide system wide system wide system wide system arcs arcs arcs arc 1
- Arcs arcs arcs arc 2
- Focus focus focus focus system 2
- Safety instructions safety instructions safety instructions safety instructions 2
- Symbols symbols symbols symbols 2
- User user user user manual manual manual manual 2
- Wide wide wide wide system arcs arcs arcs arc 2
- Contents contents contents contents 3
- Welcome to welcome to welcome to welcome to llll acoustics acoustics acoustics acoustic 3
- Arcs arcs arcs arc 4
- Focus focus focus focus system 4
- Focus focus focus focus system system system system 4
- User user user user manual manual manual manual 4
- Wide wide wide wide system arcs arcs arcs arc 4
- Wide wide wide wide system system system system arcs arcs arcs arc 4
- System system system system components components components components 5
- Arcs arcs arcs arc 6
- Focus focus focus focus system 6
- Focus system components excluding rigging elements modulation cables 6
- User user user user manual manual manual manual 6
- Wide system arc 6
- Wide wide wide wide system arcs arcs arcs arc 6
- Operating modes operating modes operating modes operating modes 7
- Arcs arcs arcs arc 8
- Focus focus focus focus system 8
- Loudspeaker connection loudspeaker connection loudspeaker connection loudspeaker connection 8
- User user user user manual manual manual manual 8
- Wide wide wide wide system arcs arcs arcs arc 8
- Appendix appendix appendix appendix aaaa preset description 10
- Arcs arcs arcs arc 10
- Focus focus focus focus system 10
- User user user user manual manual manual manual 10
- Wide wide wide wide system arcs arcs arcs arc 10
- Appendix b appendix b appendix b appendix b recommandations for speaker cables 11
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