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

12XT 12XT
12XT 12XT
COAXIAL ENCLOSURE COAXIAL ENCLOSURE COAXIAL ENCLOSURE COAXIAL ENCLOSURE
user manual user manual
user manual user manual
VERSION 1.4
2 2 2 2 CONT CONT CONTENTS CONT ENTS ENTS ENTS
1 SAFETY WARNINGS
1.1 Symbol description .................................................................................................................................................. 1
1.2 Important safety instructions ................................................................................................................................... 1
1.3 EC declaration of conformity .................................................................................................................................. 3
2 CONTENTS
3 INTRODUCTION
3.1 Welcome to L-ACOUSTICS
3.2 Unpacking ................................................................................................................................................................ 5
4 XT COAXIAL RANGE
5 12XT COAXIAL ENCLOSURE
6 INSTALLATION
6.1 Stacking or flying the 12XT ................................................................................................................................... 10
6.2 Connecting speakers ............................................................................................................................................. 10
7 OPERATION
7.1 System configuration ............................................................................................................................................. 13
7.2 PASSIVE 12XT ....................................................................................................................................................... 13
7.2.1 "FULL RANGE" mode ........................................................................................................................... 13
7.2.1.1
7.2.1.2
7.2.1.3
7.2.2 "HIGH-PASS" mode .............................................................................................................................. 15
7.2.2.1
7.2.2.2
7.2.2.3
7.2.3 "LOW-EXTENSION'' mode ................................................................................................................. 16
7.2.3.1
7.2.3.2
7.2.3.3
[12XT_FR_100], [12XT_FI_100], and [12XT_MO_100] .................................................................................... 17
[SB18_100] ........................................................................................................................................................... 17
[SB18_100_C] ....................................................................................................................................................... 17
7.3 ACTIVE 12XT ....................................................................................................................................................... 18
7.3.1 "FULL RANGE" mode ........................................................................................................................... 18
7.3.1.1
7.3.1.2
7.3.1.3
7.3.2 "HIGH-PASS" mode .............................................................................................................................. 19
7.3.2.1
7.3.2.2
[12XTA_FR_100], [12XTA_FI_100], and [12XTA_MO_100] presets ................................................. 19
8 CARE AND MAINTENANCE
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 SPECIFICATIONS
12XT_UM_ML_1-4
®
.................................................................................................................................. 5
Description......................................................................................................................... 13
Connecting the PASSIVE 12XT to the LA4 / LA4X ........................................................... 14
[12XTP_FR], [12XTP_FI], and [12XTP_MO] presets ...................................................... 14
Description......................................................................................................................... 15
Connecting the PASSIVE 12XT to the LA4 / LA4X ........................................................... 15
[12XTP_FR_100], [12XTP_FI_100], and [12XTP_MO_100] presets .............................. 15
Description......................................................................................................................... 16
Connecting the PASSIVE 12XT and SB18 to the LA4 / LA4X ........................................... 16
Presets ............................................................................................................................... 17
Description......................................................................................................................... 18
Connecting the ACTIVE 12XT to the LA4 / LA4X ............................................................ 18
[12XTA_FR], [12XTA_FI], and [12XTA_MO] presets...................................................... 18
Description......................................................................................................................... 19
Connecting the ACTIVE 12XT to the LA4 / LA4X ............................................................ 19
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