L-Acoustics 12XT - English; Table of Contents

12XT COAXIAL ENCLOSURE
user manual
VERSION 1.2
12XT_UM_ML_1.2
www.l-acoustics.com
4 en
2 CONTENTS
1 SAFETY WARNINGS 1
1.1 Symbol description .................................................................................................................................................. 1
1.2 Important safety instructions................................................................................................................................... 1
1.3 EC declaration of conformity .................................................................................................................................. 3
2 CONTENTS 4
3 INTRODUCTION 5
3.1 Welcome to L-ACOUSTICS
®
................................................................................................................................. 5
3.2 Unpacking................................................................................................................................................................ 5
4 XT COAXIAL RANGE 6
5 12XT COAXIAL ENCLOSURE 8
6 INSTALLATION 9
6.1 Stacking or flying the 12XT ..................................................................................................................................... 9
6.2 Connecting speakers ............................................................................................................................................... 9
7 OPERATION 12
7.1 System configuration ............................................................................................................................................. 12
7.2 PASSIVE 12XT....................................................................................................................................................... 12
7.2.1 “FULL RANGE” mode........................................................................................................................... 12
7.2.1.1 Connecting PASSIVE 12XT to LA4....................................................................................12
7.2.1.2 [12XTP_FR], [12XTP_FI], and [12XTP_MO] presets ......................................................13
7.2.2 “HIGH-PASS” mode .............................................................................................................................. 14
7.2.2.1 Connecting PASSIVE 12XT to LA4....................................................................................14
7.2.2.2 [12XTP_FR_100], [12XTP_FI_100], and [12XTP_MO_100] presets ..............................14
7.2.3 “HYBRID’’ mode.................................................................................................................................... 15
7.2.3.1 Connecting PASSIVE 12XT and SB118 to LA4..................................................................15
7.2.3.2 [12XTP_SB118] preset......................................................................................................16
7.3 ACTIVE 12XT ....................................................................................................................................................... 17
7.3.1 “FULL RANGE” mode........................................................................................................................... 17
7.3.1.1 Connecting ACTIVE 12XT to LA4 ....................................................................................17
7.3.1.2 [12XTA_FR], [12XTA_FI], and [12XTA_MO] presets .....................................................17
7.3.2 “HIGH-PASS” mode .............................................................................................................................. 18
7.3.2.1 Connecting ACTIVE 12XT to LA4 ....................................................................................18
7.3.2.2 [12XTA_FR_100], [12XTA_FI_100], and [12XTA_MO_100] presets .............................19
8 CARE AND MAINTENANCE 20
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 24