L-Acoustics 12XT Manuel D'utilisation page 12

ALWAYS verify that the operating setting (ACTIVE or PASSIVE) selected on the 12XT enclosure
!
matches with the preset loaded in the LA4 / LA4X amplified controller.
Inverting between ACTIVE and PASSIVE selection can cause irreversible damage to the enclosure
transducers. Any damage caused by such an inversion will not be covered by warranty.
CAUTION
The 12XT enclosure is equipped with two 4-point Speakon
second 12XT enclosure in parallel using one of the L-ACOUSTICS
The same cables are recommended to connect the 12XT enclosure to the LA4 / LA4X amplified controller (see Figure
2 and Figure 5).
A maximum of one PASSIVE 12XT enclosure can be connected per LA4 / LA4X output
!
channel.
A maximum of two ACTIVE 12XT enclosures can be connected to each of the LA4 / LA4X 1 and
3 output channels.
CAUTION
®
The L-ACOUSTICS wiring convention is as follows:
®
Speakon connector labels
1+
1-
2+
2-
Figure 5: Connecting two ACTIVE 12XT in parallel to the channel 1 of an LA4 / LA4X controller
12XT_UM_ML_1-4
®
connectors wired in parallel, allowing connection with a
Connection to transducers
(PASSIVE 12XT)
IN +
IN -
Not used
Not used
SP.7, SP10, or SP25
w w w . l - a c o u s t i c s . c o m
®
SP.7, SP10, or SP25 cables.
Connection to transducers
(ACTIVE 12XT)
SP.7,
SP10,
or SP25
LF +
LF -
HF +
HF -
11 en 11
11 11
EN