JBL S4HC &S4Ai, S4VC, S4HC, S4Ai manual C

INTRODUCTION ......................................................................................................................................................3
INCLUDED.............................................................................................................................................................4
SPEAKER PLACEMENT.............................................................................................................................................5
LEFT AND RIGHT SPEAKERS..............................................................................................................................5
CENTER CHANNEL SPEAKERS ...........................................................................................................................5
AMBIENT SURROUND SPEAKERS .......................................................................................................................6
5.1-CHANNEL SYSTEMS..........................................................................................................................6
6.1-CHANNEL SYSTEMS..........................................................................................................................6
7.1-CHANNEL SYSTEMS..........................................................................................................................7
S4AiM
ODES OF OPERATION ...................................................................................................................7
S4Ai WIRING GUIDE..............................................................................................................................7
WHICH DIFFUSE MODE IS THE RIGHT ONE FOR THE JOB? .............................................................................8
PREPARING THE S4Ai FOR THE CORRECT OPERATIONAL MODE........................................................................8
S4Ai ORIENTATION – VERTICAL OR HORIZONTAL..........................................................................................9
S4Ai DUAL-DRIVE MODE......................................................................................................................10
MOUNTING THE SPEAKERS....................................................................................................................................10
SPEAKER-MOUNTING OPTIONS.......................................................................................................................10
REQUIREMENTS FOR MOUNTING .....................................................................................................................11
CONNECTING THE SPEAKERS TO THE REST OF YOUR SYSTEM.......................................................................................13
PREPARING THE HOOKUP WIRE.......................................................................................................................13
FINE-TUNING YOUR AUDIO SYSTEM .......................................................................................................................14
ACOUSTICAL PROBLEMS IN LISTENING ROOMS ..................................................................................................14
ROOM REFLECTIONS......................................................................................................................................14
EXCESSIVE USE OF ABSORPTIVE MATERIALS......................................................................................................15
”SLAP” ECHOES............................................................................................................................................16
RATTLES .....................................................................................................................................................17
BACKGROUND NOISE ....................................................................................................................................17
BACKGROUND-NOISE SOLUTIONS....................................................................................................................18
STANDING WAVES .......................................................................................................................................18
STANDING-WAVE SOLUTIONS: ROOM RATIOS ...................................................................................................19
STANDING-WAVE SOLUTIONS: SPEAKER PLACEMENT .........................................................................................19
STANDING-WAVE SOLUTIONS: ABSORPTION .....................................................................................................19
STANDING-WAVE SOLUTIONS: ROOM EQUALIZATION..........................................................................................20
TROUBLESHOOTING...............................................................................................................................................21
SPECIFICATIONS ...................................................................................................................................................23
CONTENTS
S4VC/HC/Ai OM 2/28/06 4:55 PM Page 3