L-Acoustics KS21 - Table of Contents

Contents
Safety................................................................................................................................................................ 5
Instructions................................................................................................................................................5
Introduction........................................................................................................................................................ 7
KS21 compact reference subwoofer........................................................................................................... 7
How to use this manual............................................................................................................................ 7
System components.............................................................................................................................................8
Loudspeaker cables................................................................................................................................... 9
Rigging elements.....................................................................................................................................10
Electro-acoustical description..............................................................................................................................11
Preset description.................................................................................................................................... 11
Connectors............................................................................................................................................. 11
Rigging system description.................................................................................................................................12
KS21..................................................................................................................................................... 12
Rigging elements for own arrays............................................................................................................ 14
A15-BUMP....................................................................................................................................14
A15-RIGBAR................................................................................................................................. 16
Rigging elements for stacked arrays......................................................................................................... 18
KS21-OUTRIG............................................................................................................................... 18
K2-JACK.......................................................................................................................................19
Storage and handling elements................................................................................................................ 21
KS21-CHARIOT............................................................................................................................. 21
KS21-PLA......................................................................................................................................22
KS21-COV and KS21-CHARIOTCOV.............................................................................................. 23
Mechanical safety.............................................................................................................................................24
Loudspeaker congurations................................................................................................................................ 26
KS21 in standard conguration................................................................................................................26
KS21 in cardioid conguration................................................................................................................ 27
Inspection and preventive maintenance...............................................................................................................28
How to do preventive maintenance.......................................................................................................... 28
Rigging part inspection........................................................................................................................... 29
Mechanical system overview....................................................................................................................29
Inspection references............................................................................................................................... 35
Rigging check.........................................................................................................................................42
Acoustical check..................................................................................................................................... 44
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