JBL S4HC &S4Ai Speaker User Manual


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IN
TRODUCTION
......................................................................................................................................................3
I
NCLUDED.............................................................................................................................................................4
S
PEAKER PLACEMENT.............................................................................................................................................5
L
EFT AND RIGHT SPEAKERS..............................................................................................................................5
C
E
NTER
CH
ANNEL
SP
EAKERS
...........................................................................................................................5
A
MBIENT SURROUND SPEAKERS .......................................................................................................................6
5.1-C
HANNEL SYSTEMS..........................................................................................................................6
6.1-C
HANNEL SYSTEMS..........................................................................................................................6
7.1-C
HANNEL SYSTEMS..........................................................................................................................7
S4AiM
ODES
OF
OPERA
TION
...................................................................................................................7
S4Ai W
IRING GUIDE..............................................................................................................................7
W
HICH DIFFUSE MODE IS THE RIGHT ONE FOR THE JOB? .............................................................................8
P
REPARING THE S4Ai FOR THE CORRECT OPERATIONAL MODE........................................................................8
S4Ai O
RIENTATION – VERTICAL OR HORIZONTAL..........................................................................................9
S4Ai D
UAL-DRIVE MODE......................................................................................................................10
M
OUNTING THE SPEAKERS....................................................................................................................................
10
S
PEAKER-MOUNTING OPTIONS.......................................................................................................................10
R
EQUIREMENTS FOR MOUNTING .....................................................................................................................11
C
ONNECTING THE SPEAKERS TO THE REST OF YOUR SYSTEM.......................................................................................13
P
REPARING THE HOOKUP WIRE.......................................................................................................................13
F
INE-TUNING YOUR AUDIO SYSTEM .......................................................................................................................14
A
COUSTICAL PROBLEMS IN LISTENING ROOMS ..................................................................................................14
R
OOM REFLECTIONS......................................................................................................................................14
E
XCESSIVE USE OF ABSORPTIVE MATERIALS......................................................................................................15
”S
LAP” ECHOES............................................................................................................................................16
R
ATTLES .....................................................................................................................................................17
B
ACKGROUND NOISE ....................................................................................................................................17
B
ACKGROUND-NOISE SOLUTIONS....................................................................................................................18
S
TANDING WAVES .......................................................................................................................................18
S
TANDING-WAVE SOLUTIONS: ROOM RATIOS ...................................................................................................19
S
TANDING-WAVE SOLUTIONS: SPEAKER PLACEMENT .........................................................................................19
S
T
ANDING
-WA
VE
SOLUTIONS: ABSORPTION .....................................................................................................
19
S
TANDING-WAVE SOLUTIONS: ROOM EQUALIZATION..........................................................................................20
T
ROUBLESHOOTING...............................................................................................................................................21
S
PECIFICATIONS ...................................................................................................................................................23
CONTENTS
S4VC/HC/Ai OM 2/28/06 4:55 PM Page 3
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