™
SCS120
simple
set-up guide
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included
Two satellite speakers.
One 150-watt powered
subwoofer.
One sat20 center speaker with
removable wall-mounting
bracket.
One pair of sat20 surround
speakers with removable
wall-mounting brackets.
features
• Dolby* Digital Ready
• Adjustable, removable wall-
mounting brackets (for use
with surround speakers)
• Recessed wire channels on
satellites and surrounds
• 2-way satellite and surround
speakers with 3/4" titanium
composite dome high-
frequency drivers
• Diffraction-limiting foam
satellite baffles
• Video-shielded satellites
• 150-watt powered bass reflex
with dual 8" drivers
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one.
Satellites
Speaker Placement
Center
Subwoofer
0-2 ft.
Surround Speakers
5
– 6 ft.
Mounting Options
Satellites
On shelves.
On the wall. Optional bracket.
Part No. SFX20BKT, or
On optional stands.
Part No. FS10/20.
SFX20BKTWHT (white).
FS10/20WHT (white).
Surrounds
On optional stands.
On shelves.
Wall-mounted. Brackets and
hardware included.
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two.
Speaker Connections
Connection Tips
For satellites, thread speaker
wire through the hole in the
bottom of the speaker, then
feed it through the recessed
wire channel.
Separate and strip the ends of
the speaker wire as shown.
Speakers and electronics ter-
minals have corresponding (+) amplifier. Wiring “out of phase”
and (–) terminals. It is impor- results in thin sound, weak
identically: (+) on the speaker
to (+) on the amplifier and (–)
on the speaker to (–) on the
tant to connect both speakers
bass and a poor stereo image.
Speaker level
Center
Speaker
Right Front
sat20
Left Front
sat20
+
–
+
–
+
–
Subwoofer
+
–
–
+
Left
Right
Output to Satellite
Input from Amplifier
Left
Right
+
–
–
+
Receiver
Center
Left
Front
Right
Front
+
–
+
–
–
+
Left
Surround
Right
Surround
Left
Surround
Right
Surround
+
–
–
+
+
–
+
–
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Line level
Left Front
sat20
Center
Speaker
Right Front
sat20
+
–
+
–
+
–
Subwoofer
Input
Note: Some receivers/
R
L
amplifiers have a single
Receiver
(mono) subwoofer output. In
this case, it is recommended
that you use a “Y”-connector
(not included) to maximize
the subwoofer’s performance.
Front
Left
Front
Right
Subwoofer
Out
+
–
–
+
R
L
Rear
Left
Rear
Right
Center
+
–
+
–
–
+
Left
Surround
Right
Surround
+
–
+
–
three.
Power
Operation
ON
ON
Typical Receiver
AUTO
AUTO
OFF
OFF
POWER
ON
AUTO
OFF
Volume
Level
Level
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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
SCS120 System
sat20
Recommended Power
10 – 120 watts
bass20
Frequency Response
Amplifier
40Hz – 20kHz (±3dB)
150 watts RMS
Frequency Response
120Hz – 20kHz (±3dB)
Impedance
8 ohms nominal
Sensitivity
Frequency Response
40Hz – 120Hz (±3dB)
Crossover Frequency
120Hz (subwoofer to satellite)
Bass
90dB @ 1 watt/1 meter
Crossover Frequency
3.5kHz (midrange to tweeter)
Tweeter
One 3/4" titanium composite
dome, video-shielded
Midrange
Dual 8" woofers, bass reflex
enclosure
Dimensions (HxWxD)
17-3/4 x 10 x 24 inches
451 x 254 x 610mm
Weight
42 lbs/19.1 kg
Two 3-1/2" neodymium
drivers, video-shielded
Dimensions (HxWxD)
14 x 4-3/8 x 6 inches
356 x 111 x 152mm
Weight
Refinements may be made on
occasion to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
3.5 lbs/1.6 kg
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JBL Consumer Products
80 Crossways Park West, Woodbury, NY 11797
8500 Balboa Boulevard, Northridge, CA 91329
1-800-336-4JBL (4525) (USA only)
1997 JBL, Incorporated. JBL and Simply Cinema
are registered trademarks of JBL, Incorporated.
*Trademark of Dolby Laboratories.
©
Printed in USA 2/97
Part No. SCS1200M
A Harman International Company
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