JBL Speaker System SCS1455 User Manual

®
SURROUND CINEMA  
SPEAKERS  
SCS145.5  
OWNER’S 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  
the recordings you play in  
your home, car or office.  
provide every note of enjoy-  
ment 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.  
It enables us to keep you  
posted on our latest advance-  
ments, and helps us to better  
understand our customers  
and build products that  
meet their needs and  
expectations.  
We’re confident that the JBL  
system you have chosen will  
Please take a moment to  
register your product on our  
JBL Consumer Products  
INCLUDED  
Four satellites for left, right and  
surrounds. Wall-mount brackets.  
One center channel speaker  
with adjustable support leg.  
Powered subwoofer.  
Two 20' speaker cables for  
connection from receiver to  
subwoofer.  
Three 40' speaker cables for  
connection from receiver to  
rear satellites and center  
speaker.  
Two 15' speaker cables for  
connection from subwoofer  
to front speakers.  
3
 
SPEAKER PLACEMENT  
FRONT  
SPEAKERS  
CENTER CHANNEL  
SPEAKER  
SUBWOOFER  
0-2 ft.  
Stands shown are optional.  
SURROUND SPEAKERS  
5
– 6 ft.  
The front speakers should be slightly to angle the speaker  
The low-frequency material  
reproduced by the subwoofer  
is mostly omnidirectional,  
and this speaker may be  
placed in a convenient loca-  
tion in the room. However,  
bass reproduction will be  
maximized when the sub-  
woofer is placed in a corner  
along the same wall as the  
front speakers. Experiment  
with subwoofer placement  
by temporarily placing the  
subwoofer in the listening  
position and moving around  
the room until the bass  
placed the same distance  
from each other as they are  
from the listening position.  
They should be placed at  
about the same height from  
the floor as the listeners’  
ears will be, or they may be  
angled toward the listeners.  
down.  
The surround speakers  
should be placed slightly  
behind the listening position  
and, ideally, should face  
each other and be at a level  
higher than the listeners’  
ears. If that is not possible,  
they may be placed on a  
wall behind the listening  
The center channel speaker  
should be placed slightly  
behind the front left and right position, facing forward.  
speakers, and no more than  
two feet above or below the  
®
In Dolby* Digital and DTS  
systems, it is best to aim all  
of the speakers (except the  
subwoofer) toward the lis-  
tening position at about ear-  
level height. In systems  
where only analog surround  
processing (such as Dolby  
Pro Logic*) is available, it  
may be preferable to aim the  
speakers straight out from  
the wall to obtain a more  
diffuse sound.  
tweeters of the left and right  
speakers. It is often con-  
venient to set the center  
speaker on top of the tele-  
vision set, as shown in the  
drawing. Use the supplied  
support leg to aim it toward  
the listener by screwing the  
leg in to angle the speaker  
up, or unscrewing the leg  
reproduction is best. Place  
the subwoofer in that location.  
4
 
MOUNTING OPTIONS  
SATELLITES AND SURROUNDS  
On shelves.  
On the wall. Wall  
brackets are included.  
On optional stands (FS1000).  
WALL-MOUNTING  
Attach plate to wall. The  
brackets should be placed, if  
possible, so that the screws  
will fasten into a wooden wall  
stud. If that is not possible,  
use properly selected wall  
anchors.  
Slide speaker onto support.  
Place speaker and support  
on wall plate. Make sure  
that at least 1/4" (6mm) of  
the wall plate metal shaft is  
inserted into the support  
cavity. Continue to firmly  
press the support onto the  
wall plate metal shaft until it  
is fully secured in place.  
IMPORTANT NOTE: The  
satellite speaker, when  
mounted on these brackets,  
can only be adjusted hori-  
zontally (left or right). The  
speaker cannot be adjusted  
vertically (up or down) or  
otherwise tilted. Any attempt  
to do so will damage the  
speaker bracket wall plate  
and/or support and such  
damage will not be covered  
under warranty.  
The customer is responsible  
for proper selection and use  
of mounting hardware, avail-  
able through hardware stores,  
to properly and safely wall-  
mount the speakers.  
MOUNTING THE SATELLITES ON OPTIONAL FS1000  
FLOOR STANDS  
1. Attach the stand adaptor  
to the top of the stand  
upright with the pins  
toward the rear of the  
stand. Fasten the adaptor  
to the upright with the  
supplied screw.  
into the grommet on the  
bottom of the speaker.  
3.  
3. Connect the wire to the  
loudspeaker, remember-  
ing to preserve the polar-  
ity (“+” and “–”) (see  
page 6).  
2.  
1.  
2. Place the loudspeaker  
securely on the stand by  
inserting the adaptor pin  
5
 
SPEAKER CONNECTIONS  
CONNECTION TIPS  
Separate and strip the ends  
of the speaker wire as  
shown. The wires supplied  
with the system may already  
be stripped and tinned for  
easy insertion into the  
speaker terminals. Speakers  
and electronics terminals  
have corresponding (+) and  
(–) terminals. Most manu-  
facturers of speakers and  
electronics, including JBL,  
use red to denote the (+)  
terminal and black for the  
(–) terminal.  
To connect the supplied  
speaker wires to the  
speaker terminals, press the  
red or black plastic tab for  
the desired terminal, insert  
the bare end of the wire into  
the hole and release the tab.  
Gently tug on the wire to  
make sure that it is fully  
inserted.  
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 ampli-  
fier. Wiring “out of phase”  
results in thin sound, weak  
bass and a poor stereo  
image.  
With the advent of multi-  
channel surround sound  
systems, connecting all of  
the speakers in your system  
with the correct polarity  
remains equally important in  
order to preserve the proper  
ambience and directionality  
of the program material.  
6
 
DOLBY DIGITAL OR DTS  
(OR OTHER DIGITAL SURROUND MODE) CONNECTION  
RECEIVER  
SUBWOOFER  
Connect this jack to the LFE  
output or subwoofer output  
on your receiver or amplifier.  
Connect each speaker to the  
corresponding speaker  
terminals on your receiver  
or amplifier.  
ured for 5.1-channel  
LINE LEVEL IN  
operation, and the front left,  
front right, center and rear  
speakers should all be set to  
“Small.” If your receiver  
allows you to set the cross-  
over frequency between the  
subwoofer and the main  
speakers, select either 120Hz  
or 150Hz, or select the set-  
ting that is the closest fre-  
quency below these.  
L
LFE INPUT  
LFE OUT  
R
Use this installation method  
for Dolby Digital, DTS or  
other digital surround  
processors:  
Make sure that you have  
configured your surround  
sound processor for  
“Subwoofer On.” The  
receiver should be config-  
Use the line-level input jack  
marked “LFE” for the Low-  
Frequency Effects channel.  
DOLBY PRO LOGIC (NON-DIGITAL)  
LINE LEVEL  
Use this installation method  
for Dolby Pro Logic appli-  
cations (not Dolby Digital,  
DTS or other digital process-  
ing), where the receiver/  
processor is equipped with  
a subwoofer output, or a  
volume-controlled preamp  
(line-) level output:  
use the LFE input on the sub-  
woofer with Dolby Pro Logic  
processors. NOTE: If your  
receiver or amplifier only has  
one subwoofer output jack,  
then you will need to use a  
Y-connector (not included).  
Plug the male end of the Y-  
connector into your receiver  
or amplifier’s subwoofer out-  
put jack, and connect each  
of the two female ends to  
separate RCA-type intercon-  
nects. Finally, plug the RCA-  
type interconnects into the  
line-level inputs on the sub-  
woofer.  
Use RCA-type interconnects  
to connect the line-level  
subwoofer outputs on your  
receiver or amplifier to the  
line-level inputs on the sub-  
woofer. IMPORTANT: Do not  
+
+
+
Connect each speaker to  
the corresponding speaker  
terminals on your receiver  
or amplifier.  
+
+
Make sure your receiver or  
processor is correctly con-  
figured to indicate that the  
subwoofer is “On.”  
+
Note for advanced users: If  
your receiver/processor has  
a built-in low-pass crossover  
filter for the subwoofer out-  
put, you may use the LFE  
input to bypass the sub-  
+
+
+
+
woofer’s internal crossover.  
7
 
DOLBY PRO LOGIC (NON-DIGITAL)  
SPEAKER LEVEL  
Use this installation method  
for Dolby Pro Logic applica-  
tions (not Dolby Digital, DTS  
or other digital processing),  
Left Front  
Right Front  
Center  
®
+
+
+
where the receiver/processor  
does not have a subwoofer  
output, or a volume-controlled  
preamp (line-) level output:  
Subwoofer  
Connect your receiver or  
amplifier’s front left and right  
speaker terminals to the left  
and right terminals on the  
subwoofer that are marked  
“Speaker Level In.” Connect  
the left and right terminals on  
the subwoofer that are  
SPEAKER LEVEL  
+
+
L
R
OUT  
IN  
marked “Speaker Level Out”  
to the corresponding termi-  
nals on the back of your front  
left and right speakers.  
Receiver  
Left Front  
Center  
Right Front  
+
+
+
Connect your receiver or  
amplifier’s center and  
surround speaker terminals  
to the corresponding termi-  
nals on the back of your cen-  
ter and surround speakers.  
Left Surround  
Right Surround  
+
+
Left Surround  
Right Surround  
+
+
8
 
OPERATION  
Move the Master Power  
switch (marked “Power” ¡)  
automatically turn on (LED will  
be green). If the subwoofer  
does not sense a signal after  
approximately twenty minutes,  
it will automatically go back  
into standby mode.  
in the “Auto” position).  
When your receiver or ampli-  
fier is off, or is not sending  
program material to the sub-  
woofer, the subwoofer will be  
in standby mode (LED will be  
red). When the subwoofer  
senses an audio signal, it will  
to the “ ” (On) position to use  
the subwoofer. The SUB145  
subwoofer will automatically  
turn on or go into standby  
(sleep) mode when left in the  
auto mode (“Auto/On” switch  
When the “Auto/On” switch  
is switched to the “On”  
position, the subwoofer will  
remain on, whether or not  
program material is playing.  
If you will be away from home  
for an extended period of time,  
or if the subwoofer will not  
be used, switch the Master  
Power switch ¡ to the Off  
position.  
SPEAKER LEVEL  
SUBWOOFER  
LEVEL  
+
+
L
R
LINE LEVEL IN  
LFE  
OUT  
IN  
L
AUTO  
ON  
£
R
MIN  
MAX  
GREEN: ON  
RED: STANDBY  
+
IMPORTANT: CONNECT STRIPED WIRE TO RED  
(
)
SPEAKER TERMINAL.  
POWER  
SUB145  
¡
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
VOLUME  
Volume may be adjusted  
using the Subwoofer Level  
control £ as shown.  
Subwoofer  
Level  
MIN  
MAX  
Subwoofer  
Level  
MIN  
MAX  
9
 
TROUBLESHOOTING  
If there is no sound from any  
of the speakers:  
other speakers that is work-  
If the system plays at low  
volumes but shuts off as  
volume is increased:  
ing correctly. Turn every-  
thing back on, and deter-  
mine whether the problem  
has followed the speaker, or  
has remained in the same  
channel. If the problem is  
in the same channel, the  
source of the problem is  
most likely with your  
• Check that receiver/ampli-  
fier is on and a source is  
playing.  
• 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, or touching  
each other.  
• Check that the powered  
subwoofer is plugged in, and  
that its Power switch ¡ is  
switched on (“ ” position).  
• Check all wires and con-  
nections between receiver/  
amplifier and speakers.  
Make sure all wires are con-  
nected. Make sure none of  
the speaker wires are frayed,  
cut or punctured, or touching  
each other.  
receiver or amplifier, and  
you should consult the  
• If more than one pair of  
main speakers is being used,  
check the minimum imped-  
ance requirements of your  
receiver/amplifier.  
owner’s manual for that  
product for further informa-  
tion. If the problem has fol-  
lowed the speaker, consult  
your dealer for further assis-  
tance or, if that is not possi-  
further information.  
• Review proper operation of  
your receiver/amplifier.  
If there is low (or no) bass  
output:  
• Make sure the connections  
to the left and right “Speaker  
Inputs” have the correct  
polarity (+ and –).  
If there is no sound from the  
center speaker:  
If there is no sound coming  
from one speaker:  
• Check all wires and con-  
nections between receiver/  
amplifier and speaker. Make  
sure all wires are connected.  
Make sure none of the  
speaker wires are frayed,  
cut or punctured, or touch-  
ing each other.  
• Check the “Balance” control  
on your receiver/amplifier.  
• Make sure the subwoofer  
is plugged into an active  
electrical outlet, and is  
• Check all wires and con-  
nections between receiver/  
amplifier and speakers.  
Make sure all wires are con-  
nected. Make sure none of  
the speaker wires are frayed,  
cut or punctured, or touching  
each other.  
turned on (Power switch ¡  
in the “ ” position).  
• In Dolby Digital or DTS  
modes, make sure your  
receiver/processor is config-  
ured so that the subwoofer  
and LFE output are enabled.  
• If your receiver/processor  
is set in Dolby Pro Logic mode,  
make sure the center speaker  
is not in phantom mode.  
• In Dolby Digital or DTS  
modes, make sure that the  
receiver/processor is config-  
ured so that the speaker in  
question is enabled.  
• If your receiver/processor  
is set in Dolby Digital or DTS  
modes, make sure the receiver/  
processor is configured so  
that the center speaker is  
enabled.  
• Turn off all electronics  
and switch the speaker in  
question with one of the  
10  
 
If there is no sound from  
the surround speakers:  
• Check all wires and con-  
nections between receiver/  
amplifier and speakers.  
Make sure all wires are con-  
nected. Make sure none of  
the speaker wires are frayed,  
cut or punctured, or touching  
each other.  
• 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 a surround  
sound mode. If it is not,  
check to see whether your  
receiver/amplifier has other  
surround modes you may use.  
In Dolby Digital or DTS  
modes, make sure your  
receiver/processor is config-  
ured so that the surround  
speakers are enabled.  
• Review the operation of  
your DVD player and the  
jacket of your DVD to make  
sure that the DVD features  
the desired Dolby Digital or  
DTS mode, and that you  
have properly selected that  
mode using both the DVD  
player’s menu and the DVD  
disc’s menu.  
11  
 
SPECIFICATIONS  
Subwoofer  
Amplifier  
SCS145.5 System  
Frequency Response  
35Hz – 20kHz (–6dB)  
100 Watts RMS  
Woofer  
8" (200mm)  
Satellites  
Recommended Power  
10 – 100 Watts  
Impedance  
8 Ohms nominal  
Sensitivity  
86dB @ 1 Watt/1 meter  
Tweeter  
Enclosure  
Bass reflex  
Dimensions (H x W x D)  
15" x 13" x 14"  
381mm x 330mm x 356mm  
Weight  
30 lb/13.6kg  
One 1/2" (13mm) titanium-laminate dome,  
video-shielded  
Midrange  
One 3" (75mm) driver, video-shielded  
Dimensions (H x W x D)  
4-3/8" x 3-3/16" x 3-3/4"  
111mm x 81mm x 95mm  
Weight  
1.1 lb/0.5kg  
Center  
Recommended Power  
10 – 100 Watts  
Impedance  
8 Ohms nominal  
Sensitivity  
86dB @ 1 Watt/1 meter  
Tweeter  
One 1/2" (13mm) titanium-laminate dome,  
video-shielded  
All features and specifications are  
subject to change without notice.  
Midrange  
Dual 3" (75mm) drivers, video-shielded  
Dimensions (H x W x D)  
3-1/4" x 7-5/8" x 3-3/4"  
83mm x 194mm x 95mm  
Weight  
*Trademarks of Dolby Laboratories.  
DTS is a registered trademark of  
Digital Theater Systems, Inc.  
1.89 lb/0.86kg  
PRO SOUND  
COMES HOME  
OWNER’S GUIDE  
P R O D U C T L I N E :  
SURROUND CINEMA  
SPEAKERS  
JBL Consumer Products  
250 Crossways Park Drive, Woodbury, NY 11797  
8500 Balboa Boulevard, Northridge, CA 91329  
516.255.4JBL (4525) (USA only)  
MODEL:  
SCS145.5  
DESIGN GOAL: Bring the thrill of live performance and movie sound  
to the home environment by calling on JBL’s professional engineering leadership.  
© 2004 Harman International Industries, Incorporated  
SATELLITE TYPE: Titanium-laminate-dome tweeter,  
sealed enclosure  
JBL is a registered trademark of  
Harman International Industries, Incorporated.  
SUBWOOFER TYPE: Bass-reflex enclosure  
PORT DESIGN:FreeFlow™ flared  
Part No. 406-000-05100  
PROFESSIONAL REFERENCE:Cinema Loudspeaker Series  
 

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