JBL SYNTHESIS FOUR S4Ai User Manual

INTRODUCTION ......................................................................................................................................................3
I
NCLUDED.............................................................................................................................................................4
S
PEAKER PLACEMENT.............................................................................................................................................5
L
EFT AND RIGHT SPEAKERS..............................................................................................................................5
C
ENTER CHANNEL SPEAKERS ...........................................................................................................................5
A
MBIENT SURROUND SPEAKERS .......................................................................................................................6
5.1-C
H
ANNEL
SY
STEMS
..........................................................................................................................6
6.1-C
HANNEL SYSTEMS..........................................................................................................................6
7.1-C
HANNEL SYSTEMS..........................................................................................................................7
S4Ai M
ODES OF OPERATION ...................................................................................................................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
A
TTLES
.....................................................................................................................................................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
T
ANDING
-WA
VE
SOLUTIONS: ROOM EQUALIZA
TION
..........................................................................................20
T
ROUBLESHOOTING...............................................................................................................................................21
S
PECIFICATIONS ...................................................................................................................................................23
CONTENTS

JBL SYNTHESIS FOUR S4Ai Specifications

General

Brand	JBL
Model	SYNTHESIS FOUR S4Ai
Category	Speakers
Language	English