Loudspeaker Connection; Connectors; Connection To La8 - L-Acoustics ARCS Wide User Manual

ARCS ARCS ARCS ARCS WIDE SYSTEM / ARCS WIDE WIDE WIDE
®
USER USER MANUAL MANUAL
USER USER MANUAL MANUAL
VERSION 1.0

4 4 4 4 LOUDSPEAKER CONNECTION

LOUDSPEAKER CONNECTION
LOUDSPEAKER CONNECTION LOUDSPEAKER CONNECTION
4.1

Connectors

®
The ARCS WIDE and the ARCS
SB18m is a subwoofer enclosure. All of them are equipped with two 4-point
®
SpeakON connectors wired in parallel.
The IN connector allows receiving the audio signals, whereas the LINK
connector allows routing them to another similar enclosure in parallel.
Only use the LINK connector with the LA8 amplified controller.
Internal pinout for ARCS
®
SpeakON points
Transducer connectors
®
The ARCS WIDE/FOCUS and the SB18m can be amplified by the LA4 or the
LA8 amplified controller.
4.2

Connection to LA8

®
To cable the ARCS WIDE/FOCUS or the SB18m with the LA8, two options are available:
Option A:
Connect a DO cable (DO.7, DO10 or DO25) to the PA-COM
split the audio signals into four channels, each one feeding one similar enclosure.
example 2 ARCS WIDE FOCUS and 2 SB18m, this cabling scheme needs a dedicated custom preset.
Option B:
Connect an SP cable (SP.7, SP5, SP10 or SP25) to one of the SpeakON
cable to split the audio signals into two channels, each one feeding one enclosure. The CC4FP adaptor allows
interfacing the SP and SP-Y1 cables. Apply the same cabling scheme with the other LA8 SpeakON
One additional similar enclosure can be connected in parallel with each of the first ones, by using SP cables.
®
PA-COM standard
Using cable other than specified in this document to connect a subwoofer via the PA-COM
LA8 may affect the acoustic results. Refer to the LA8 PACOM CABLES technical bulletin.
Maximum of 8 enclosures per LA8
®
2 ARCS WIDE/FOCUS or 2 SB18m can be connected in parallel to each output channel on the LA8.
Therefore, a single LA8 amplified controller can drive up to 8 enclosures (ARCS
Impedance load
8 Ω for 1 enclosure, 4 Ω for 2 enclosures in parallel (ARCS
Subwoofer array in CARDIOID configuration
The reversed sub must be connected to OUT 1.
ARCSWIFO_UM_EN_1-0
ARCS ARCS ARCS
®
FOCUS are 2-way passive enclosures. The
® ®
WIDE, ARCS FOCUS and SB18m
1+ 1- 2+
+ - Not used
w w w . l - a c o u s t i c s . c o m
FOCUS FOCUS SYSTEM FOCUS FOCUS
®
ARCS
2-
Not used
®
connector of the LA8 and use the DOSUB-LA8 to
With various enclosure types, for
®
connectors of the LA8, and use the SP-Y1
®
WIDE/FOCUS or SB18m).
®
WIDE/FOCUS or SB18m).
® ®
WIDE / ARCS FOCUS
IN
LINK
SB18m
IN LINK
®
connector.
®
connector of the
8 8 8 8