L-Acoustics arcs focus - Connection to LA8

ARCS
®
WIDE SYSTEM
ARCS
®
FOCUS SYSTEM
user manual
VERSION 4.0
ARCSWIFO_UM_EN_4.0
www.l- acoustics.com
16
3.3 Connection to LA8
Maximum number of enclosures per LA8
Two ARCS WIDE/FOCUS or two SB18m can be connected in parallel to each output channel on the LA8.
Therefore, a single LA8 amplified controller can drive up to:
• 8 × ARCS
®
WIDE/FOCUS or
• 8 × SB18m or
• 4 × ARCS
®
WIDE/FOCUS and 4 × SB18m.
Cardioid configuration
Connect the reversed subwoofer(s) to OUT 1 to use the cardioid preset.
Impedance load
8 Ω for 1 enclosure, 4 Ω for 2 enclosures.
Option A
 Connect a DO cable (DO.7, DO10 or DO25) to the LA8 PA-COM
®
connector
 Use the DOSUB-LA8 to separate the four output channels.
 If necessary, use SP cables to connect additional similar enclosures in parallel with the first ones.
LA8 option A maximum configuration with ARCS
®
WIDE/FOCUS
Corresponding DOSUB-LA8 SpeakON
®
points and LA8 output channels:
SPK1 = OUT 1
SPK2 = OUT 2
SPK3 = OUT 3
SPK4 = OUT 4