L-Acoustics ARCS II - SYSTEM COMPONENTS; Loudspeaker enclosures; Loudspeaker system design; Powering and driving system

ARCS
®
II SYSTEM
user manual
VERSION 3.0
ARCSII_UM_EN_3.0
w w w . l - a c o u s t i c s . c o m
6
2 SYSTEM COMPONENTS
The system approach developed by L-ACOUSTICS
®
consists in offering a global solution that guarantees the highest and
most predictable level of performance at any step of loudspeaker system deployment: modeling, installation, and
operation. A complete L-ACOUSTICS
®
system includes enclosures, amplified controllers, cables, rigging system and
software applications.
2.1 Loudspeaker enclosures
ARCS
®
II
Full-range enclosure (50 Hz – 20 kHz), 2-way active, constant curvature WST
®
line source
SB28
High power subwoofer (down to 25 Hz)
Loudspeaker system design
Sound design aspects are beyond the scope of this document. However, the various applications of the system
will be based on the loudspeaker configurations presented in this document.
2.2 Powering and driving system
LA4X or LA8
Amplified controllers with DSP, preset library and networking capabilities
Operating instructions
Refer to the LA4X, LA8 and LA-RAK user manual.
2.3 Loudspeaker cables
DO cables (DO.7, DO10, DO25)
8-point PA-COM
®
loudspeaker cables (4 mm² section).
Respective lengths of 0.7 m/2.3 ft, 10 m/32.8 ft, and 25 m/82 ft.
DOFILL-LA8
Breakout cable for two 2-way active enclosures.
PA-COM
®
< 2 x 4-point SpeakON
®
(4 mm² section).
DO3WFILL
Breakout cable for one 2-way active enclosure and two passive enclosures
PA-COM
®
< 3 x SpeakON
®
1 x 4-point and 2 x 2-point (4 mm² section).
DOSUB-LA8
Breakout cable for four passive enclosures.
8-point PA-COM
®
to 4 × 2-point SpeakON
®
(4 mm² section).
SP cables (SP.7, SP5, SP10, SP25)
4-point SpeakON
®
loudspeaker cables (4 mm² section).
Respective lengths of 0.7 m/2.3 ft, 5 m/16.4 ft, 10 m/32.8 ft and 25 m/82 ft.
SP-Y1
Breakout cable for two passive enclosures.
4-point SpeakON
®
to 2 × 2-point SpeakON
®
(2.5 mm² section).
Provided with CC4FP adapter.
Information about the connection of the enclosures to the LA amplifiers is given in this document.
Refer to the LA4X, LA8 and LA-RAK user manuals for detailed instructions about the whole cabling scheme,
including modulation cables and network.
2.4 Rigging elements
Rigging elements or procedures are not presented in this document.
Refer to the ARCS
®
II rigging manual.
2.5 Software applications
SOUNDVISION
Proprietary acoustical and mechanical 3D modeling software.
LA NETWORK MANAGER
Remote control and monitoring of amplified controllers
Using L-ACOUSTICS
®
software
Refer to the SOUNDVISION user manual and the LA NETWORK MANAGER tutorial.