SB28
Subwoofer Enclosure
USER MANUAL
VERSION 1.1
SB28_UM_ML_1.1
w w w . l - a c o u s t i c s . c o m
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
