L-Acoustics 12XT Manuel D'utilisation page 12

12XT
COAXIAL ENCLOSURE
user manual
VERSION 1.2
!
Always verify that the operating setting (ACTIVE or PASSIVE) selected on the 12XT enclosure
matches with the preset loaded in the LA4 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 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 amplified controller (Figure 5).
!
A maximum of one PASSIVE 12XT enclosure can be connected per LA4 output channel.
A maximum of two ACTIVE 12XT enclosures can be connected to each of the LA4 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 controller
!
To ensure both high performance and safety, L-ACOUSTICS
high-quality, fully insulated speaker cables made of stranded copper wire.
In order to preserve a high damping factor it is desirable to keep loudspeaker cables as short as
possible and with a gauge offering low resistance per unit length.
IMPORTANT
12XT_UM_ML_1.2
All manuals and user guides at all-guides.com
® NL4 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
®
recommends the exclusive use of
LF +
LF -
HF +
HF -
10 en