JBL STADIUM 4 User manual

JBL Stadium 4 Amplifier - Owner's Manual
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THANK YOU FOR YOUR PURCHASE ...
IP.III Your product has been designed to provide you the performance and ease of operation you expect from JBL. Take
lilY time to read this manual before operating or installing your amplifier. Keep it in your glove compartment along with the
owner's manual for your car. Put your amplifier sales receipt with other important documents
in order to expedite warranty
service
if needed. This manual describes general installation guidelines and operation instructions. Please note that proper
installation of mobile audio components requires qualified experience with mechanical and electrical procedures. If you
do
not have the knowledge and tools to perform this installation, we strongly recommend consulting an authorized JBL dealer
about your installation options.
What's in the box
1x amplifier
4x speaker-level input adapter
4x mounting screws
2x spare fuses
INSTALLATION AND WIRING
1x E.A.R.L ground terminal
3x self-tapping screws
1x owner's manual
IMPORTANT: Disconnect the vehicle's negative (-) battery terminal before beginning the installation.
• Wear protective eyewear when using tools.
• Choose a safe mounting location, away from moisture. Check clearances on both sides ofthe location. Be sure that
screws will not puncture brake or fuel lines or wiring harnesses, and that wire routing will not interfere with vehicle
operation. Use caution when drilling or cutting.
• When making electrical connections, make sure they are secure and properly insulated.
•
To keep the amplifier cool, choose a location that provides enough air circulation, such as under a seat or in the trunk.
• Do not mount the amplifier with the heat sink facing downward, as this interferes with cooling.
• Mount the amplifier so that
it will not be damaged by the feet of passengers or shifting cargo in the trunk, and so that
it remains dry.
• Using the amplifier as a template, mark the locations of the holes on the mounting surface.
•
Drill pilot holes in the mounting surface.
• Attach the amplifier
to the mounting surface with the included screws.
NOTE: You may find it more convenient to make all of the connections to the amplifier before you permanently mount it.
00000000 00

0 Speaker Output Connectors
Connect speakers to these terminals, observing proper
polarity (connect each speaker's positive(+) lead to the
appropriate positive(+) terminal, and negative(-) lead
to
the appropriate negative(-) terminal.
4-channel operation: Connect the front left and right
speakers to the front L+, L-,
R+, and R- terminals, and
the rear left and right speakers
to the rear L+, L-, R+, and
R- terminals.
3-channel operation: Connect the stereo speakers to
the front L+, L-, R+, and R terminals, as described above.
Connect the single speaker's + lead
to the rear
L+ terminal, and the- lead to the rear R- terminal.
2-channel (bridged) operation: Connect one speaker's
+lead to the front L+ terminal, and the- lead to the front
R- terminal. Connect the other speaker's + lead
to the
rear L+ terminal, and the -lead
to the rear R- terminal.
NOTE: Minimum speaker impedance is 2 ohms.
f) Fuses
Replace fuses only with the same amperage: 30A.
E) Power Input Connectors
• Power: Run 4-gauge power wire from the +12V input
to the positive terminal
of the vehicle's battery. Insert
bare wire into the terminal on the amplifier, then tighten
the setscrew with a Phillips screwdriver.
• Install an appropriate fuse holder and 1
OOA fuse within
18" (457mm)
of the battery. Install protective grommets
when routing wires through the bulkhead or other sheet
metal. Use larger-gauge wiring for longer runs.
+ 12 von Remote Ground
t t t
To in-dash receiver _j
0
Fuse
0 T
18" (46cm)
~----~:;?-., _j_
Vehicle battery
Vehicle chassis
Power wire
Ground wire
II

• Ground:
Run
a wire (the same gauge as the power
wire) from the GND input to a factory bolt
in
the vehi-
cle's chassis
(see
illustration below). NOTE: Remove
any paint from the
chaS$iS
for best contact.
If
using
a ring connector, place a star washer below the ring
connector for a secure connection.
• For a more secure ground connection, use the includ-
ed E.A.R.L. ground terminal. Crimp the open end of
the terminal to the end of your ground wire, then place
the terminal against bare chassis metal, and secure
with the included self-tapping screws. NOTE: Be sure
to check below your desired ground location to ensure
that the screws will not puncture brake lines, fuel lines,
or wiring harnesses.
Fa
c
to
ry
Bolt
Ri
ng
Connector
Note
:
Remove
an
y
paint
below
ring
c
onnector
0 Preamp outputs
Star
Washer
The Stadium 4 amplifier allows you
to
send a second
amplifier line-level signal. Connect a set of RCA patch
cables to the line-level inputs on the Stadium amplifier at
one end, and to the second amplifier's line-level inputs at
the other.
eLine-level inputs (RCA)
If
your source unit offers preamp outputs, connect to the
front and rear L and
R,
and subwoofer inputs using RCA
patch cables.
If your
car
audio system's head unit does not have
line-level outputs, use the supplied bare wire-to-RCA
adapters to connect the Stadium amplifier's inputs to
either the front
or
the rear speaker outputs
of
your car
audio system's head unit (splice crimps not included).
Use a small Phillips screwdriver to loosen the adapter's
set screws and insert the speaker wires into the holes on
the back of the adapter. Tighten the set screws to secure
the wires.
Always connect the(+) speaker wire to the adapter's
(+)terminal and
the(-)
speaker wire
to
the adapter's (-)
terminal. When
all
wires are connected, plug the adapters
into the Stadium amplifier's preamp inputs.
Loosen
Screws
Insert
Wires
Tighten
Screws
Important: Some factory audio system amplifiers
include electronic filters that limit the amount of bass
sent to the system's smaller speakers. This filtering will
adversely affect the Stadium amplifier's performance.
To
get the most bass possible, splice the high-level wires
into the factory speaker outputs that are connected to
the system's largest speakers (the ones designed to
reproduce the most bass).
C) Input level
Select LO if providing signal to the
amplifier with line-level connections.
Select
Hl1
or Hl2
if
using speaker-level
connections.
INPUT LEVEL
liD
II
__J
I
'-
LO
Hl1
Hl2
Note: If you have connected your amplifier
to
factory
speaker outputs and the audio fails to
play,
change the
switch to "HI2".The "HI2" position includes a circuit
designed to fool a factory audio system into "seeing" a
speaker connected to its input. Important: "HI2" should
never be used when the amplifier
is
connected to a head
unit's line-level
(RCA)
outputs.
0 Auto turn-on selector
If
your stereo has no "Remote Out" lead,
slide the "AUTO TURN ON" switch to
"ON". This will allow the amp to turn
on
when
it
detects speaker-level audio signal.
AUTO
TURN ON
0::0
_j
L
AUTO OFF
E)Crossover filter selectors (X-OVER)
You
can choose the type of crossover
filters for your system.
• LPF: Low pass. Choose this setting
if
you're connecting a subwoofer(s),
or want to provide a low-pass filter
for separate mid-bass speakers.
X-OVER
D:JJ
_JIL
LPF
FULL
HPF
• FULL: Full range. Choose this setting if you're
connecting full-range speakers, and not using a
subwoofer
in
your system.
• HPF: High pass. Choose this setting
to
prevent low
bass from reaching midrange or full-range speakers
when you're using a subwoofer
in
your system.
E)GAIN: Setting the input sensitivity
To
match your amplifier's input sensitivity
(gain)
to your
source unit's output
level
, we recommend the following
procedure:
• Turn both input
level
controls counterclockwise to MIN
(minimum).
• Play a dynamic music track through your source
unit.
Turn
the source unit's volume control to the 3/4
position.

• Turn the front input level control dial clockwise towards
MAX until you hear distortion in the music (it's no
longer clear).
• Turn the front level input control dial counter-clockwise
until the music sounds clear again.
• Your front input level is
now
correctly set. Repeat this
process with the rear channels.
~
Crossover frequency
controls {FREQ)
Turn the dials
to
the left
to
lowerthe
crossover point, and
to
the right
to
raise
the crossover point. Crossover point
settings vary
by
listener preference.
80Hi
• •
32Hz
320Hz
~
Remote input plug/adapter
Connect a 20-gauge wire from
the
"Remote
Out" lead
of
the source unit
to
the included
connector, and then plug the connector into the
input.
NOTE:
Plug the wire from
the
source unit
into the left side ("IN")
of
the connector. Ifyou're
connecting multiple amplifiers, you can plug
another 20-gauge wire into the right side ("OUT')
of
the connector, then plug the other end
of
the
wire into your second amplifier's REM input.
ce
&
G)
Power/Protect indicators
REM
ml
IN1UT
The power light will illuminate when the
amplifier is getting power and playing.
The protect indicator will illuminate
in
the
event
of
conditions such as over/under
voltage, short circuit, amplifier output
circuit failure,
or
excessive heat.
OPOWER
OPROTECT
SPECIFICATIONS
• Operating voltage:
9-16
volts
• RMS power @4 ohms: 1
OOW
x 4
• RMS power @2 ohms:
120W
x 4
• RMS bridged power @4 ohms:
240
W x 2
• Total peak power: 1
500
W
• Quiescent current draw:
:o;
1.6A
• High input maximum signal level: 20V
• High input maximum sensitivity: 2V
• Line input maximum signal level: 2V
• Line input maximum sensitivity: 0.2V
• Line-
in
signal-to-noise ratio (reference
to
1 watt):
~
80dB
• Fuse size: 2 x
30A
• Frequency response: 15Hz -35KHz@-3
dB
• Crossover filter: LPF/HPF 32Hz -320Hz
Variable
12dB
/
Oct
• THO + N
at
rated power:
:o;
0.1 %
• Dimensions
(H
x W x
D):
54.20mm x 179.60mm 265.
30mm
• Weight: 2.58kg
~
HARMAN
~
HARMAN International Industries,
In
co
rporated 8500 Balboa Boulevard,
Northridge, CA 91
329
USA
www
.j
bl.
com
TROUBLESHOOTING
PROBLEM:
No audio and POWER INDICATOR
is
off.
CAUSE and SOLUTION:
No voltage at
BATI
+and/or
REM terminals, or bad
or
no ground connection. Check
voltages at amplifier terminals with VOM.
PROBLEM:
No audio and PROTECT INDICATOR flashes
every 4 seconds.
CAUSE and SOLUTION:
DC voltage on amplifier output.
Amp
lifier may need service; see enclosed warranty card
for service information.
PROBLEM:
No audio and PROTECT and POWER
INDICATORS flash.
CAUSE and SOLUTION:
Voltage less than 9V on
BATI
+
connection. Check vehicle charging system.
PROBLEM:
No audio and PROTECT INDICATOR
is
on.
CAUSE and SOLUTION:
Amplifier
is
overheated. Make
sure amplifier cooling is not blocked at mounting location.
Verify that speaker-system impedance
is
within specified
limits. Or, there may be voltage greater than 16V(or less
than 8.5V) on
BATI
+ connection. Check vehicle charging
system.
PROBLEM:
Amplifier fuse keeps blowing.
CAUSE and SOLUTION:
The wiring
is
connected
incorrectly
or
the
re
is a short circuit. Review installation
precautions and procedures. Check wiring connections.
PROBLEM:
Distorted audio.
CAUSE and SOLUTION:
Gain is not set properly. Check
INPUT LEVEL setting. Check speaker wires for shorts
or
grounds. Amplifier
or
source unit may be defective.
PROBLEM:
Distorted audio and PROTECT INDICATOR
flashes.
CAUSE and SOLUTION:
Short circuit in speaker
or
wire.
Remove speaker leads one at a time
to
locate shorted
speaker
or
wire, and repai
r.
PROBLEM:
Music l
acks
dynamics
or
"punch."
CAUSE and SOLUTION:
Speakers are not connected
properly. Check speaker connections for proper
po
lar
ity.
PROBLEM:
Engine
noise-whining
or
clicking-in
system when the engine
is
on.
CAUSE and SOLUTION:
Amplifier is picking
up
alternator noise. Turn down
ga
in
. Move audio
ca
bles
away from powerwires.
In
stall an alternator noise filter on
power
line
betw
een battery and alterna
tor
. Check ground
connections on the amplifier - a loose
or
improper ground
is one ofthe ma
in
causes for noise.
© 2
018
HARM
AN
In
ternational Indus
tr
ies, I
nco
rporated. All rights reserved.
JBL
is a
tr
ademark of HARMAN Internati
ona
l
In
du
stries, Incorporated,
registered in the United States and
/o
r other
co
untries. Features, specifi
ca
tions
a
nd
appearance are subject
to
chan
ge
wi
th
out notice.