JBL Speaker System SCS125 User Manual

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.  
Please take a moment to complete the enclosed profile card.  
It enables us to keep you posted on our latest advancements,  
and helps us to better understand our customers and build  
products that meet their needs and expectations.  
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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