L-ACOUSTICS ARCS II [7/12] Loudspeaker connection loudspeaker connection loudspeaker connection loudspeaker connection
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L-ACOUSTICS ARCS II [7/12] Loudspeaker connection loudspeaker connection loudspeaker connection loudspeaker connection

L-ACOUSTICS ARCS II [7/12] Loudspeaker connection loudspeaker connection loudspeaker connection loudspeaker connection
ARCSII_UM_E N_1-2
w w w . l - a c o u s t i c s . c o m
7
77
7
4
44
4 LOUDSPEAKER CONNECTION
LOUDSPEAKER CONNECTIONLOUDSPEAKER CONNECTION
LOUDSPEAKER CONNECTION
4.1 ARCS
®
II connection
The ARCS
®
II is a 2
-
way active enc
losure 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 ARCS
®
II
enclosure in parallel.
Internal pinout for L-ACOUSTICS
®
2-way enclosures
SpeakON
®
points
1+
1
-
2+
2
-
Transducer connectors
LF +
LF
-
HF +
HF
-
ARCS
®
II
The ARCS
®
II is exclusively bi-amplified by the L-ACOUSTICS
®
LA8 amplified controller.
To cable L-ACOUSTICS
®
2-way active enclosures with the LA8, three options are available:
Option A:
Connect a DO cable (DO.7, DO10 or DO25) to the PA-COM
®
connector of the LA8 and use the DOFILL-LA8 to
split the audio signals into two channel pairs, CH(A) and CH(B), each one feeding one ARCS
®
II enclosure.
Option B:
Use an SP cable (SP5, SP10 or SP25) to connect one enclosure to one of the two SpeakON
®
connectors of the LA8.
Option C:
Connect a DO cable (DO.7, DO10 or DO25) to the PA-COM
®
connector of the LA8 and use the DO3WFILL to
split the audio signals into one channel pair, feeding one ARCS
®
II enclosure, and two single channels, each one feeding
one SB28 subwoofer.
This cabling scheme needs a dedicated custom preset.
Two additional enclosures can be connected in parallel with each of the first ones, by using SP cables (SP.7, SP5, SP10
or SP25).
PA-COM
®
standard
Using cable other than specified in this document to connect a 2-way active enclosure via the PA-COM
®
connector of the LA8 may lead to speaker damage. Refer to the LA8 PACOM CABLES technical bulletin.
Maximum of 6 ARCS
®
II enclosures per LA8
3 ARCS
®
II enclosures can be connected in parallel to each pair of output channels on the LA8 (1/2 and 3/4).
Impedance load
8 Ω for 1 enclosure; 4 Ω for 2 enclosures in parallel; 2.7 Ω for 3 enclosures in parallel.
Connecting six ARCS
®
II to one LA8 with the DOFILL-LA8 (Option A)
DO.7, DO10
or DO25
DOFILL
-
LA8
SP.7
SP.7
SP.7
SP.7
CH(B)
(OUT3/4
)
CH(A) (OUT1/2)
IN
LINK

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