JBL Home Theater System S120PII User Manual

S P E C I F I C AT I O N S  
Amplifier Power (RMS):  
Driver:  
400 Watts  
12" PolyPlas(polymer-coated cellulose fiber) cone;  
rubber surround; SFG; magnetic shorting rings;  
high-temp, oversized, fiberglass voice coil; HeatScape™  
motor structure; cast-aluminum basket  
Inputs:  
Line Level (switchable to LFE), BassQand  
Speaker Level with gold-plated, 5-way binding posts  
Outputs:  
BassQ and Speaker Level (High-Pass with  
gold-plated, 5-way binding posts)  
Low-Pass Frequency:  
High-Pass Frequency:  
Frequency Response:  
Dimensions (H x W x D):  
Continuously variable from 50Hz 150Hz  
150Hz when using speaker-level outputs  
22Hz Low-pass crossover setting  
17-3/16" (with feet, without spikes) x 16-3/16" x 18" (19" with grille)  
437mm (with feet, without spikes) x 411mm x 457mm (483mm with grille)  
Weight:  
56 lb/25.5kg  
All features and specifications are subject to change without notice.  
*Trademarks of Dolby Laboratories.  
DTS is a registered trademark of Digital Theater Systems, Inc.  
P R O S O U N D  
O W N E R ’ S G U I D E  
C O M E S H O M E ™  
STUDIOSERIES  
P R O D U C T L I N E :  
JBL Consumer Products  
M O D E L  
250 Crossways Park Drive, Woodbury, NY 11797  
8500 Balboa Boulevard, Northridge, CA 91329  
800-336-4JBL (4525) (USA only)  
N U M B E R :  
S120PII  
D E S I G N G O A L : Bring the thrill of live performance and movie sound to  
the home environment by calling on JBLs professional engineering leadership.  
©2001 JBL, Incorporated  
W O O F E R T Y P E : Pure-cellulose fiber  
JBL is a registered trademark of JBL, Incorporated.  
Part No.: 338003-001  
P O R T D E S I G N : FreeFlowflared  
P R O F E S S I O N A L R E F E R E N C E : Studio Monitor  
 
R E A D T H I S ! I m p o r t a n t S a f e t y P r e c a u t i o n s !  
11. Power Sources. This product should be  
operated only from the type of power source  
indicated on the marking label. If you are  
not sure of the type of power supply to your  
home, consult your product dealer or local  
power company. For products intended to  
operate from battery power, or other  
18. Overloading. Do not overload wall  
outlets, extension cords, or integral  
convenience receptacles, as this can  
result in a risk of fire or electric shock.  
19. Object and Liquid Entry. Never push  
objects of any kind into this product through  
openings, as they may touch dangerous  
voltage points or short-out parts that could  
result in a fire or electric shock. Never spill  
liquid of any kind on the product.  
20. Servicing. Do not attempt to service this  
product yourself, as opening or removing  
covers may expose you to dangerous  
voltage or other hazards. Refer all servicing  
to qualified service personnel.  
21. Damage Requiring Service. Unplug this  
product from the wall outlet and refer ser-  
vicing to qualified service personnel under  
the following conditions:  
a. The power-supply cord or the plug has  
been damaged; or  
b. Objects have fallen onto, or liquid has  
been spilled into, the product; or  
c. The product has been exposed to rain or  
water; or  
d. The product does not operate normally  
when following the operating instructions.  
Adjust only those controls that are covered  
by the operating instructions, as an improper  
adjustment of other controls may result in  
damage and will often require extensive  
work by a qualified technician to restore the  
product to its normal operation; or  
e. The product has been dropped or  
damaged in any way; or  
CAUTION  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
CAUTION: To prevent electric shock,  
do not use this (polarized)  
plug with an extension cord,  
receptacle or other outlet  
unless the blades can  
sources, refer to the operating instructions.  
12. Polarization. This product may be  
equipped with a polarized alternating-  
current-line plug (a plug having one blade  
wider than the other). This plug will fit into  
the power outlet only one way. This is a  
safety feature. If you are unable to insert the  
plug fully into the outlet, try reversing the  
plug. If the plug should still fail to fit, contact  
your electrician to replace your obsolete  
outlet. Do not defeat the safety purpose of  
the polarized plug.  
13. Power-Cord Protection. Power-supply  
cords should be routed so that they are not  
likely to be walked on or pinched by items  
placed upon or against them, paying  
particular attention to cords at plugs,  
convenience receptacles, and the point  
where they exit from the product.  
14. Nonuse Periods. The power cord of the  
product should be unplugged from the outlet  
when left unused for long periods of time.  
15. Outdoor Antenna Grounding. If an outside  
antenna or cable system is connected to the  
product, be sure the antenna or cable  
system is grounded so as to provide some  
protection against voltage surges and built-  
up static charges. Article 810 of the National  
Electrical Code, ANSI/NFPA 70, provides  
information with regard to proper grounding  
of the mast and supporting structure,  
be fully inserted to  
prevent blade exposure.  
The lightning flash with arrowhead symbol,  
within an equilateral triangle, is intended to  
alert the user to the presence of uninsulated  
“dangerous voltage” within the product’s  
enclosure that may be of sufficient magnitude to constitute a  
risk of electric shock to persons.  
The exclamation point within an equilateral  
triangle is intended to alert the user to the  
presence of important operating and  
maintenance (servicing) instructions in the  
literature accompanying the appliance.  
1. Read Instructions. All the safety and  
operating instructions should be read before  
the product is operated.  
2. Retain Instructions. The safety and  
operating instructions should be retained  
for future reference.  
3. Heed Warnings. All warnings on the  
product and in the operating instructions  
should be adhered to.  
4. Follow Instructions. All operating and use  
instructions should be followed.  
5. Cleaning. Unplug this product from the  
wall outlet before cleaning. Do not use  
liquid cleaners or aerosol cleaners. Use a  
damp cloth for cleaning.  
f. The product exhibits a distinct change  
in performance this indicates a need for  
service.  
6. Attachments. Do not use attachments not  
recommended by the product manufacturer,  
as they may cause hazards.  
7. Water and Moisture. Do not use this  
product near water for example, near a  
bathtub, wash bowl, kitchen sink or laundry  
tub; in a wet basement; or near a swimming  
pool; and the like.  
8. Accessories. Do not place this product on  
an unstable cart, stand, tripod, bracket, or  
table. The product may fall, causing serious  
injury to a child or adult, and serious  
damage to the product. Use only with a cart,  
stand, tripod, bracket, or table recommended  
by the manufacturer, or sold with the  
grounding of the lead-in wire to an antenna  
22. Replacement Parts. When replacement  
parts are required, be sure the service  
technician has used replacement parts  
specified by the manufacturer or that have  
the same characteristics as the original part.  
Unauthorized substitutions may result in fire,  
electric shock or other hazards.  
23. Safety Check. Upon completion of any  
service or repairs to this product, ask the  
service technician to perform safety checks  
to determine that the product is in proper  
operating condition.  
24. Wall or Ceiling Mounting. The product  
should be mounted to a wall or ceiling only  
as recommended by the manufacturer.  
25. Heat. The product should be situated  
away from heat sources such as radiators,  
heat registers, stoves, or other products  
(including amplifiers) that produce heat.  
discharge unit, size of grounding conductors  
location of antenna-discharge unit,  
connection to grounding electrodes, and  
requirements for the grounding electrode.  
See Figure A.  
16. Lightning. For added protection for this  
product during a lightning storm, or when  
it is left unattended and unused for long  
periods of time, unplug it from the wall outlet  
and disconnect the antenna or cable system.  
This will prevent damage to the product due  
to lightning and power-line surges.  
17. Power Lines. An outside antenna system  
should not be located in the vicinity of  
overhead power lines or other electric light  
or power circuits, or where it can fall into  
such power lines or circuits. When installing  
an outside antenna system, extreme care  
should be taken to keep from touching such  
power lines or circuits, as contact with them  
might be fatal.  
,
product. Any mounting of the product should  
follow the manufacturers instructions, and  
should use a mounting accessory  
recommended by the manufacturer.  
9. A Product and Cart Combination Should  
Be Moved with Care. Quick stops, excessive  
force, and uneven surfaces  
may cause the product and  
cart combination to overturn.  
Figure A.  
Example of Antenna Grounding  
as per National Electrical Code,  
ANSI/NFPA 70  
10. Ventilation. Slots and  
openings in the cabinet are  
provided for ventilation and to ensure  
reliable operation of the product and to  
protect it from overheating, and these  
openings must not be blocked or covered.  
The openings should never be blocked by  
placing the product on a bed, sofa, rug, or  
other similar surface. This product should  
not be placed in a built-in installation such  
as a bookcase or rack unless proper  
ventilation is provided or the manufacturers  
instructions have been adhered to.  
Antenna Lead-In Wire  
Ground Clamp  
Antenna Discharge Unit (NEC Section 810-20)  
Grounding Conductors (NEC Section 810-21)  
Electric Service Equipment  
Ground Clamps  
Power Service Grounding Electrode System  
(NEC Art 250, Part H)  
2
 
S P E A K E R P L A C E M E N T  
As a general rule, bass  
response increases as a  
subwoofer is placed closer  
to a wall. Therefore, bass  
output is maximized when  
the subwoofer is placed in  
a corner.  
where they are generated  
from. However, frequencies  
between 75Hz 150Hz can be  
localized, especially at higher  
volume levels. Positioning  
your subwoofer as recom-  
mended will provide the  
most natural soundstage  
and imaging from your  
positioning of your subwoofer  
to obtain the most pleasing  
results in your room. One  
technique that can help you  
find the ideal subwoofer  
location is to temporarily  
place the subwoofer near the  
main listening location. Then  
move around the room and  
determine where you hear  
the most pleasing bass  
It is also recommended that  
the subwoofer be  
positioned along the  
loudspeaker system.  
same wall as the front  
loudspeakers.  
Low-frequency sounds are  
normally omnidirectional,  
meaning the listener cant tell  
Remember that these are just  
guidelines. Since every  
listening room is different,  
JBL strongly recommends  
experimenting with the  
performance. This would then  
be the ideal location for the  
subwoofer.  
S P E A K E R C O N N E C T I O N  
When we designed the  
description best matches  
your system and follow the  
corresponding hookup  
instructions.  
under the collar. Insert the  
bare end of the wire through  
the hole in the post, then  
screw the collar back down  
until the connection is tight.  
The holes in the center of the  
collars are intended for  
S120PII powered subwoofer,  
our goal was to offer the user  
the best possible performance  
combined with the most  
To use the binding-post  
flexible and complete  
speaker terminals •ª with  
bare wire, unscrew the collar  
until the pass-through hole in  
the center post is visible  
installation options. Please  
look over the following three  
examples to determine which  
banana-type connectors.  
Left Front  
Right Front  
Center  
+
+
+
Dolby* Pro Logic* (Non-Digital) Speaker Level  
Use this installation method  
for Dolby Pro Logic appli-  
cations (not Dolby Digital,  
and right terminals on the  
subwoofer that are marked  
High Level In. Connect  
the left and right terminals on  
the subwoofer that are  
marked High Level Outª  
to the corresponding  
terminals on the back of your  
front left and right speakers.  
Subwoofer  
L
HIGH  
LEVEL  
IN  
®
DTS or other digital  
processing), where the  
receiver/processor does not  
have a subwoofer output or  
a volume-controlled preamp  
(line-) level output:  
R
+
L
HIGH  
LEVEL  
OUT`  
ª
R
Receiver  
Center  
If your receiver features bass  
management capabilities that  
require you to configure your  
speaker settings, make sure  
to set your left- and right-front  
speakers to LARGE.  
Connect your receiver or  
amplifiers center, left and  
right surround-speaker  
terminals to the corre-  
sponding terminals on the  
back of your center, left and  
right surround speakers.  
Left Front  
Right Front  
+
+
+
Left Surround  
Right Surround  
+
+
Left Surround  
Right Surround  
Connect your receiver or  
amplifiers front left and right  
speaker terminals to the left  
+
+
3
 
Dolby Pro Logic (Non-Digital) Line Level  
Use this installation method  
for Dolby Pro Logic appli-  
in the Normalposition. Do  
terminals on your receiver or  
amplifier.  
not use the LFEposition  
with Dolby Pro Logic-only  
processors.  
cations (not Dolby Digital, DTS  
or other digital processing),  
where the receiver/processor  
is equipped with a subwoofer  
output or a volume-controlled  
preamp (line-) level output:  
Make sure your receiver or  
processor is configured cor-  
rectly: Make sure that the sub-  
woofer is configured as On.”  
Note: If your receiver or  
amplifier only has one  
subwoofer output jack,  
then you may connect the  
subwoofer output on your  
receiver/preamplifier to either  
the left or right Line Level  
input on the subwoofer. It  
makes no difference which  
jack you choose.  
Note for advanced users: If  
your receiver/processor has  
a built-in low-pass crossover  
filter for the subwoofer output,  
then the LFE switch should  
be set to the LFEposition to  
bypass the subwoofers  
Use RCA-type patch cords  
to connect the line-level  
subwoofer outputs on your  
receiver or amplifier to the  
Line Level inputs on the  
subwoofer. IMPORTANT:  
internal crossover.  
Make sure that the LFE toggle  
switch on the subwoofer is  
Connect each speaker to the  
corresponding speaker  
¡ ™ £  
180°  
LFE  
ON  
PHASE  
AUTO  
0°  
NORMAL  
OFF  
80Hz  
¢
RECEIVER  
CROSSOVER  
FREQUENCY  
LEVEL  
Subwoofer  
Out  
L
150Hz  
MAX  
50Hz  
MIN  
R
§
LINE  
BASSQ  
(See owner’s  
manual  
LEVEL IN  
(For LFE  
use R or L)  
IN  
OUT  
R
L
L
before use)  
HIGH  
LEVEL  
IN  
R
L
+
HIGH  
LEVEL  
OUT  
ª
R
4
 
Dolby Digital or DTS (or Other Digital Surround Mode) Connection  
Use this installation method  
for Dolby Digital, DTS or other  
digital surround processors:  
Note: If your receiver or  
amplifier has only one  
Make sure that you have  
configured your surround  
sound processor for  
subwoofer output jack,  
then you may connect the  
subwoofer output on your  
receiver/preamplifier to either  
the left or right Line Level  
input on the subwoofer. It  
makes no difference which  
jack you choose.  
Subwoofer Onor LFE On.”  
The front left, front right,  
center and rear speakers  
should be set to Smallor  
Largedepending on their  
size and frequency response.  
Consult your receivers or  
processors owners manual.  
IMPORTANT: Make sure that  
the LFE toggle switch on  
the subwoofer is in the LFE”  
position. Use the Line Level  
input jacks for the Low-  
Frequency Effects channel.  
Connect these jacks 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.  
¡ ™ £  
180°  
LFE  
ON  
PHASE  
AUTO  
0°  
NORMAL  
OFF  
80Hz  
¢
RECEIVER/PREAMPLIFIER  
CROSSOVER  
FREQUENCY  
LEVEL  
150Hz  
MAX  
Subwoofer  
Output/LFE  
50Hz  
MIN  
§
LINE  
BASSQ  
(See owners  
manual  
LEVEL IN  
(For LFE  
use R or L)  
IN  
OUT  
R
L
L
before use)  
HIGH  
LEVEL  
IN  
ª
R
L
+
HIGH  
LEVEL  
OUT  
R
BassQJacks  
your systems bass response  
by equalizing the output of  
multiple subwoofers to  
best match your listening  
environment. DO NOT con-  
nect these jacks to any other  
device. Do not use the BassQ  
jacks § without having first  
read the BassQ owners  
manual.  
The jacks marked BassQ§  
are for use with the JBL  
BassQ bass equalization  
module that will be released  
in the near future. The BassQ  
will enable you to optimize  
5
 
O P E R AT I O N  
Power  
The S120PII is equipped with  
both a master Power switch  
and an Auto turn-on/turn-  
off switch £. In order to  
function, the S120PII must  
be plugged into an active  
electrical outlet (but not an  
accessories outlet on another  
component of your audio  
system such as a receiver),  
and the master Power switch  
must be turned on  
Auto As long as no audio  
signal is received, the  
subwoofer is in Standby  
mode to conserve  
return to Standby mode,  
indicated by the LEDs  
turning red.  
Off The subwoofer is off at  
all times, even if an  
power, indicated by the  
red color of the LEDs on  
the front of the unit.  
When an audio signal is  
sensed, the subwoofer  
will switch itself into the  
fully On mode and begin  
playing the program  
audio signal is present  
at its inputs.  
If you plan to be away for an  
extended time, or if the  
subwoofer will not be used,  
you may wish to turn off the  
master Power switch .  
(the “•” position).  
material. The LEDs will  
turn green. When a  
period of about twenty  
minutes goes by during  
which no signal is  
The Auto turn-on/turn-off  
switch £ has three positions:  
On The subwoofer is on at  
all times and ready to  
play program material.  
sensed, the S120PII will  
Level Control  
The subwoofer Level Control  
adjusts the volume of the  
subwoofer relative to the rest  
of the system. Proper level  
adjustment depends on  
room size, subwoofer  
placement, type of main  
speakers and listener position. level on the receiver to 0dB,  
Adjust the subwoofer level so  
that the volume of the bass  
information is pleasing to you.  
When using a Dolby Digital/  
DTS receiver, adjust the LFE  
and then adjust the subwoofer  
Level Control for the  
desired amount of bass.  
several variables such as  
Crossover Adjustments  
The Crossover Frequency  
Control ¢ determines the  
highest frequency at which the  
subwoofer reproduces sounds.  
If your main speakers can  
comfortably reproduce some  
low-frequency sounds, set  
this control ¢ to a lower  
frequency setting, between  
50Hz 100Hz. This will  
concentrate the subwoofers  
between 120Hz 150Hz. This  
control ¢ is not used when  
the LFE switch is in the  
LFEposition.  
¡ ™  
£
180°  
LFE  
ON  
PHASE  
AUTO  
0°  
NORMAL  
OFF  
80Hz  
CROSSOVER  
FREQUENCY  
LEVEL  
¢
50Hz  
150Hz  
MIN  
MAX  
LINE  
BASSQ  
(See owners  
manual  
S120PII  
LEVEL IN  
(For LFE  
or L)  
§
use  
R
CAUTION  
IN  
OUT  
R
L
L
before use)  
RISK OF ELECTRIC SHOCK  
DO NOT OPEN  
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,  
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.  
efforts on the ultradeep bass  
sounds required by todays  
films and music. If you are  
using smaller bookshelf  
HIGH  
LEVEL  
IN  
AVERTISSEMENT: POUR PRÉVENIR LES RISQUES DINCENDIE OU  
DE CHOC ÉLECTRIQUE ÉVITER DEXPOSER CET APPAREIL  
A
LA  
PLUIE OU  
A
LHUMIDITÉ.  
R
L
+
ON  
speakers that do not extend to  
HIGH  
LEVEL  
OUT  
ª
OFF  
the lower bass frequencies,  
set the low-pass Crossover  
control ¢ to a higher setting,  
R
6
 
Phase Control  
subwoofer placement and  
listener position. Adjust the  
Phase switch ¡ to maximize  
bass output at the listening  
position.  
you happen to rearrange your  
listening room and move  
your speakers, you should  
experiment with the Phase  
switch ¡ in both positions,  
and leave it in the position  
that maximizes bass  
The Phase Control ¡  
Remember, every system,  
determines whether the  
subwoofers piston-like action  
moves in and out in phase  
with the main speakers or  
opposite the main speakers.  
There is no correct or  
incorrect setting. Proper  
phase adjustment depends on  
several variables such as  
room and listener is different.  
There are no right or wrong  
settings; this switch ¡ offers  
the added flexibility to adjust  
your subwoofer for optimum  
performance for your specific  
listening conditions without  
having to move your speakers.  
If at some time in the future  
performance.  
T R O U B L E S H O O T I N G  
If you used the High Level  
(speaker) inputs and there  
is no sound from any of the  
speakers:  
If there is low (or no) bass  
output:  
If you used the Line Level  
inputs and there is no  
sound from the subwoofer:  
Make sure the connections  
to the left and right Speaker  
Inputshave the correct  
polarity (+ and ).  
Check that receiver/amplifier  
Check that receiver/amplifier  
is on and a source is playing.  
Check that powered  
subwoofer is plugged into an  
active electrical outlet and  
that both Power switches  
are on £‚.  
Check all wires and con-  
nections between receiver/  
amplifier and subwoofer.  
Make sure all wires are  
connected. Make sure none  
of the wires are frayed, cut  
or punctured.  
Review proper operation of  
your receiver/amplifier.  
Slowly turn the Level  
Control clockwise until  
you begin to hear the desired  
amount of bass.  
is on and a source is playing.  
Check that powered  
Make sure that the  
subwoofer is plugged into  
an active electrical outlet  
and is switched on £‚.  
Check all wires and  
subwoofer is plugged into an  
active electrical outlet and  
that both power switches  
are on £‚.  
connections between  
receiver/amplifier and  
Adjust the Crossover point  
¢.  
speakers. Make sure all wires  
are connected. Make sure  
none of the speaker wires  
are frayed, cut or punctured.  
Make sure no wires are  
touching other wires or  
terminals and creating a  
short circuit.  
Flip the Phase Control  
switch ¡ to the opposite  
position.  
If you are using a Dolby  
Digital/DTS receiver or  
processor, make sure that the  
subwoofer adjustments on  
the receiver/processor are  
set up correctly. When using  
the S120PIIs Speaker Level  
inputs , you should set your  
receiver to configure the  
main left and right speakers  
as LARGE.  
Review proper operation  
of your receiver/amplifier.  
Make sure that you have  
configured your receiver/  
processor so that the  
subwoofer/LFE output is on.  
Slowly turn the Level  
Control clockwise until  
you begin to hear the desired  
amount of bass.  
7
 

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