L-Acoustics SB28 - English; Table of Contents

SB28 Subwoofer Enclosure
USER MANUAL
VERSION 1.1
SB28_UM_ML_1.1
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 SYSTEM APPROACH 6
5 SB28 SUBWOOFER ENCLOSURE 8
6 INSTALLATION 9
6.1 Shipping the SB28.................................................................................................................................................... 9
6.2 Stacking or flying the SB28 ...................................................................................................................................... 9
6.3 Connecting speakers ............................................................................................................................................... 9
7 OPERATION 11
7.1 System configuration ............................................................................................................................................. 11
7.2 “STANDARD” mode............................................................................................................................................. 11
7.2.1 Connecting the SB28 to the LA8 ........................................................................................................... 11
7.2.2 [SB28_60] and [SB28_100] presets........................................................................................................ 12
7.3 “CARDIOÏD” mode............................................................................................................................................... 12
7.3.1 Connecting the SB28 to the LA8 ........................................................................................................... 12
7.3.2 [SB28_60_C] and [SB28_100_C] presets.............................................................................................. 13
8 CARE AND MAINTENANCE 14
8.1 Maintenance information....................................................................................................................................... 14
8.2 Testing procedure ................................................................................................................................................. 14
8.2.1 Check of transducer and enclosure acoustic behavior .......................................................................... 14
8.2.2 Check of mechanical assembly and rigging parts ................................................................................... 14
8.2.3 Check of external aspect ....................................................................................................................... 14
8.3 Loudspeaker service.............................................................................................................................................. 15
8.4 Spare parts and recommended tool...................................................................................................................... 15
9 SPECIFICATIONS 16