Table Des Matières - L-Acoustics 12XT Manuel D'utilisation

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12XT
COAXIAL ENCLOSURE
user manual
VERSION 1.2
2
CONTENTS
1
1.1
Symbol description .................................................................................................................................................. 1
1.2
Important safety instructions ................................................................................................................................... 1
1.3
EC declaration of conformity .................................................................................................................................. 3
2
CONTENTS
3
3.1
3.2
Unpacking................................................................................................................................................................ 5
4
5
6
6.1
Stacking or flying the 12XT ..................................................................................................................................... 9
6.2
Connecting speakers ............................................................................................................................................... 9
7
7.1
System configuration ............................................................................................................................................. 12
7.2
PASSIVE 12XT....................................................................................................................................................... 12
7.2.1
"FULL RANGE" mode........................................................................................................................... 12
7.2.1.1
7.2.1.2
7.2.2
"HIGH-PASS" mode .............................................................................................................................. 14
7.2.2.1
7.2.2.2
7.2.3
"HYBRID'' mode.................................................................................................................................... 15
7.2.3.1
7.2.3.2
7.3
ACTIVE 12XT ....................................................................................................................................................... 17
7.3.1
"FULL RANGE" mode........................................................................................................................... 17
7.3.1.1
7.3.1.2
7.3.2
"HIGH-PASS" mode .............................................................................................................................. 18
7.3.2.1
7.3.2.2
8
8.1
Maintenance information....................................................................................................................................... 20
8.2
Testing procedure ................................................................................................................................................. 20
8.2.1
Check of transducer and enclosure acoustic behavior .......................................................................... 20
8.2.2
Check of mechanical assembly and rigging parts ................................................................................... 20
8.2.3
Check of external aspect ....................................................................................................................... 20
8.3
Transducer and switch service .............................................................................................................................. 21
8.3.1
LF loudspeaker....................................................................................................................................... 21
8.3.2
HF diaphragm ........................................................................................................................................ 21
8.3.3
Active/passive switch ............................................................................................................................. 22
8.4
Spare parts and recommended tools..................................................................................................................... 23
9
12XT_UM_ML_1.2
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................................................................................................................................. 5
Connecting PASSIVE 12XT to LA4....................................................................................12
[12XTP_FR], [12XTP_FI], and [12XTP_MO] presets ......................................................13
Connecting PASSIVE 12XT to LA4....................................................................................14
Connecting PASSIVE 12XT and SB118 to LA4 ..................................................................15
[12XTP_SB118] preset ......................................................................................................16
Connecting ACTIVE 12XT to LA4 ....................................................................................17
[12XTA_FR], [12XTA_FI], and [12XTA_MO] presets .....................................................17
Connecting ACTIVE 12XT to LA4 ....................................................................................18
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