™
SCS125
simple
setup guide
thank you
for choosing JBL. For more than 50 years, JBL
has been involved in every aspect of music and film recording
and reproduction, from live performances to monitoring the
recordings you play in your home, car or office.
We’re confident that the JBL system you have chosen will
provide every note of enjoyment that you expected – and that
when you think about purchasing additional audio equipment for
your home, car or office, you will once again choose JBL.
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JBL Consumer Products
included
Five satellites for left, right,
center and surrounds. With
wall-mount brackets.
Powered subwoofer.
Three 20' speaker cables for connection from receiver
to subwoofer.
Three 15' speaker cables for connection from subwoofer
to front satellites.
Two 40' speaker cables for connection from receiver to
rear satellites.
one.
Speaker Placement
Satellites
Subwoofer
0-2 ft.
Surround Speakers
5
– 6 ft.
Mounting Options
Satellites and Surrounds
On shelves.
On the wall. Wall brackets
included.
On optional stands. FS300.
Wall Mounting
Attach plate to wall.
Slide speaker onto support.
Place speaker and support on
wall plate.
The customer is responsible for
proper selection and use of
mounting hardware, available
through hardware stores, to
properly and safely wall-mount
the speakers.
two.
Speaker Connections
Connection Tips
Separate and strip the ends of
the speaker wire as shown.
Speakers and electronics ter-
speakers identically: (+) on the
speaker to (+) on the amplifier
and (–) on the speaker to (–)
minals have corresponding (+) on the amplifier. Wiring “out of
and (–) terminals. The (+)
lead of the speaker wire is
noted with a stripe. It is
important to connect both
phase” results in thin sound,
weak bass and a poor stereo
image.
Speaker Level
Left Front
Right Front
Center
Subwoofer
Speaker-Level Input
Speaker-Level Output
Speaker’s Connection
L
C
R
L
C
R
+
–
Receiver
Left Front
Right Front
Center
+
–
+
–
+
–
Left Surround
Right Surround
+
–
+
–
Left Surround
Right Surround
Line Level
Center
Left Front
Right Front
Speaker’s Connection
Subwoofer
Line-
Level
Input
L
R
Receiver
Front
Left
Front
Right
Subwoofer
Out
+
–
–
–
+
R
L
Rear
Left
Rear
Center
Right
+
+
–
–
+
Left Surround
Right Surround
three.
Operation
Mode
Off
Procedure
Receiver/amplifier off
LED Status
Off
On
Receiver/amplifier on and playing program material
Green
Red
Standby
Simply turn off your receiver/amplifier. The subwoofer will
turn off after approximately twenty minutes. The subwoofer
will turn on when your receiver/amplifier begins playing again.
Volume
Subwoofer
Level
Subwoofer
Level
min
max
min
max
Troubleshooting
If there is no sound from
any of the speakers, check
the following:
Make sure none of the
speaker wires are frayed, cut
or punctured.
• Make sure that the sub-
woofer is plugged into an
active electrical outlet.
• Powered subwoofer is
plugged in and is either in
the “On” or “Auto” position.
• Receiver/amplifier is on and
a source is playing.
If the system plays at low
volumes but shuts off as
volume is increased, check
the following:
• Powered subwoofer is
plugged in and is either in
the “On” or “Auto” position.
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the speaker
wires are frayed, cut or
punctured.
If there is no sound from
the surround speakers,
check the following:
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.
• If more than one pair of
main speakers is being used,
check the minimum imped-
ance requirements of your
receiver/amplifier.
speaker wires are frayed, cut
or punctured.
• Review proper operation of
your receiver/amplifier.
• Review proper operation of
your receiver/amplifier and its
surround sound features.
• Make sure the movie or TV
show you are watching is
recorded in Dolby surround. If
it is not, check to see if your
receiver/amplifier has other
surround modes you may use.
If there is no sound coming
from one speaker, check the
following:
If there is low bass output,
check the following:
• Check the “Balance” control
on your receiver/amplifier.
• Check all wires and con-
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
• Make sure the connections
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
Specifications
SCS125 System
sat125
Recommended Power
10 – 50 watts
sub125
Frequency Response
Amplifier
35Hz – 20kHz (–6dB)
75 watts RMS
Impedance
8 ohms nominal
Sensitivity
Bass
8" woofer, bass-reflex
enclosure
86dB @ 1 watt/1 meter
Tweeter
One 1/2"-dome, video
shielded
Dimensions (H x W x D)
14-1/8 x 13 x 13 inches
359 x 330 x 330mm
Weight
Midrange
27.5 lbs/12.5 kg
3" driver, video shielded
Dimensions (H x W x D)
4-3/8 x 3-3/16 x 3-3/4 inches
111 x 81 x 95mm
Weight
1 lb/.45 kg
Refinements may be made on
occasion to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
JBL Consumer Products
250 Crossways Park Drive, Woodbury, NY 11797
8500 Balboa Boulevard, Northridge, CA 91329
1-800-336-4JBL (4525) (USA only)
1998 JBL, Incorporated. JBL and Simply Cinema
are registered trademarks of JBL, Incorporated.
©
Printed 7/98
Part No. SCS125OM
A Harman International Company
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