JBL SCS 125A Sub (serv.man2) User Manual / Operation Manual ▷ View online
two.
Speaker Connections
Separate and strip the ends of
the speaker wire as shown.
Speakers and electronics ter-
minals have corresponding (+)
and (–) terminals. The (+)
lead of the speaker wire is
noted with a stripe. It is
important to connect both
the speaker wire as shown.
Speakers and electronics ter-
minals have corresponding (+)
and (–) terminals. The (+)
lead of the speaker wire is
noted with a stripe. It is
important to connect both
speakers identically: (+) on the
speaker to (+) on the amplifier
and (–) on the speaker to (–)
on the amplifier. Wiring “out of
phase” results in thin sound,
weak bass and a poor stereo
image.
speaker to (+) on the amplifier
and (–) on the speaker to (–)
on the amplifier. Wiring “out of
phase” results in thin sound,
weak bass and a poor stereo
image.
Connection Tips
Speaker Level
Speaker’s Connection
Right Front
Right Surround
Left Front
Left Surround
Center
+ –
+ –
+ –
L
C
R
+
–
L
C
R
Speaker-Level Input
Subwoofer
Left Front
+ –
Left Surround
Center
Right Front
+ –
Right Surround
Receiver
Speaker-Level Output
SCS125 Simply Cinema OM 7/17/98 1:45 PM Page 5
+ –
+ –
+ –
– +
– +
Receiver
Subwoofer
Out
Front
Left
Rear
Left
Front
Right
Right
Rear
Right
Subwoofer
R L
R
L
Center
Line-
Level
Input
Input
Right Surround
Right Front
Left Surround
Left Front
Center
Line Level
three.
Operation
min max
Subwoofer
Level
min max
Subwoofer
Level
Mode
Procedure
LED Status
Off
Receiver/amplifier off
Off
On
Receiver/amplifier on and playing program material
Green
Standby
Simply turn off your receiver/amplifier. The subwoofer will
Red
turn off after approximately twenty minutes. The subwoofer
will turn on when your receiver/amplifier begins playing again.
will turn on when your receiver/amplifier begins playing again.
Volume
Speaker’s Connection
SCS125 Simply Cinema OM 7/17/98 1:45 PM Page 6
SCS125 System
Frequency Response
35Hz – 20kHz (–6dB)
35Hz – 20kHz (–6dB)
sat125
Recommended Power
10 – 50 watts
Impedance
8 ohms nominal
Sensitivity
86dB @ 1 watt/1 meter
Tweeter
One 1/2"-dome, video
shielded
Midrange
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
10 – 50 watts
Impedance
8 ohms nominal
Sensitivity
86dB @ 1 watt/1 meter
Tweeter
One 1/2"-dome, video
shielded
Midrange
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
sub125
Amplifier
75 watts RMS
Bass
8" woofer, bass-reflex
enclosure
Dimensions (H x W x D)
14-1/8 x 13 x 13 inches
359 x 330 x 330mm
Weight
27.5 lbs/12.5 kg
75 watts RMS
Bass
8" woofer, bass-reflex
enclosure
Dimensions (H x W x D)
14-1/8 x 13 x 13 inches
359 x 330 x 330mm
Weight
27.5 lbs/12.5 kg
Specifications
Refinements may be made on
occasion to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
occasion to existing products
without notice, but will always
meet or exceed original speci-
fications unless otherwise
stated.
If there is no sound from
any of the speakers, check
the following:
any of the speakers, check
the following:
• Receiver/amplifier is on and
a source is playing.
• 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.
• Review proper operation of
your receiver/amplifier.
a source is playing.
• 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.
• Review proper operation of
your receiver/amplifier.
If there is no sound coming
from one speaker, check the
following:
from one speaker, 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.
on your receiver/amplifier.
• 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.
speaker wires are frayed, cut
or punctured.
If the system plays at low
volumes but shuts off as
volume is increased, check
the following:
volumes but shuts off as
volume is increased, 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
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.
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.
If there is low bass output,
check the following:
check the following:
• Make sure the connections
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
to the left and right “Speaker
Inputs” have the correct
polarity (+ and –).
• 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.
woofer is plugged into an
active electrical outlet.
• Powered subwoofer is
plugged in and is either in
the “On” or “Auto” position.
If there is no sound from
the surround speakers,
check the following:
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
speaker wires are frayed, cut
or punctured.
• 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.
nections between receiver/
amplifier and speakers. Make
sure all wires are connected.
Make sure none of the
speaker wires are frayed, cut
or punctured.
• 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.
Troubleshooting
SCS125 Simply Cinema OM 7/17/98 1:45 PM Page 7
©
1998 JBL, Incorporated. JBL and Simply Cinema
are registered trademarks of JBL, Incorporated.
Printed 7/98 Part No. SCS125OM
A Harman International Company
SCS125 Simply Cinema OM 7/17/98 1:45 PM Page 8
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