JBL Portable Speaker S412PII User Manual

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O W N E R S G U I D E  
P R O D U C T L I N E :  
STUDIOSERIES  
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.  
T W E E T E R T Y P E : Pure-titanium dome with EOSwaveguide  
W O O F E R T Y P E : Cast-aluminum basket with HeatScapemotor structure  
C R O S S O V E R N E T W O R K : Straight-Line Signal Path(SSP)  
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  
 
T H A N K Y O U F O R C H O O S I N G J B L  
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.  
you think about purchasing  
additional audio equipment  
for your home, car or  
office, you will once again  
choose JBL.  
and build products that  
meet their needs and  
expectations.  
JBL Consumer Products  
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  
Were confident that the  
JBL loudspeakers you have  
chosen will provide every  
note of enjoyment that you  
expected and that when  
S P E A K E R P L A C E M E N T  
Proper placement of the  
speakers is an important  
step in obtaining the most  
realistic soundstage  
placement of the loud-  
speakers. Use them as a  
guide. Slight variations will  
not diminish your listening  
pleasure.  
The S412PII loudspeakers  
are video-shielded and can  
safely be placed near a  
television.  
possible. These recommen-  
dations are for the optimal  
The S412PII speaker features  
four rubber feet that enable  
it to be placed on a smooth-  
surfaced floor, such as tile  
or hardwood. Four metal  
spikes are supplied for use  
when the speaker is to be  
placed on a carpeted  
To insert the spikes, gently  
lay the speaker on its side  
(not its front or back) on a  
soft, nonabrasive surface.  
Each spike screws into the  
threaded insert in the center  
of each rubber foot. Make  
sure all four spikes are  
screwed in completely for  
stability.  
NEVER drag the speaker to  
move it, as this will damage  
the spikes, the feet and/or  
the wood cabinet itself.  
Always lift the speaker and  
carry it to its new location.  
CAUTION: Floorstanding  
(tower) loudspeakers have  
a high center of gravity and  
may become unstable and  
tip over during earthquakes  
or if rocked, tipped or  
improperly positioned. If this  
is a concern, these speakers  
should be anchored to the  
wall behind them, using  
the same procedures and  
hardware customary for  
anchoring bookcases and  
wall units. Customer is  
surface to decouple the  
speaker from the floor and  
prevent unwanted damping.  
responsible for proper  
installation and proper  
selection of hardware.  
3
 
S P E A K E R C O N N E C T I O N S  
CONNECTION TIPS  
amplifier. Wiring out of  
phaseresults in thin sound,  
weak bass and a poor  
stereo image.  
through hole in the center  
post is visible under the  
collar. Insert the bare end of  
the wire through this hole;  
then screw the collar down  
until the connection is tight.  
The hole in the center of  
each collar is intended for  
use with banana-type  
With the advent of  
multichannel surround  
sound systems, connecting  
all of the speakers in your  
system with the correct  
polarity remains equally  
important in order to  
Speakers and electronics  
terminals have corre-  
sponding (+) and ()  
terminals. It is important to  
connect both speakers  
identically: (+) on the  
speaker to (+) on the  
amplifier and () on the  
speaker to () on the  
connectors.  
preserve the proper  
ambience and directionality  
of the program material.  
To use the binding-post  
speaker terminals, unscrew  
the collar until the pass-  
SPEAKER-LEVEL CONNECTIONS  
RIGHT  
LEFT  
+
+
+
+
Receivers Speaker Outputs  
Your S412PII speakers  
to the 5-way binding posts  
If your receiver or amplifier  
does not have a line-level  
subwoofer output, then you  
do not need to make any  
other connections, and you  
should skip to the section  
titled Amplifier Controls.”  
should be connected to your  
receiver in two ways (at  
speaker level and line level)  
in order to achieve the best  
performance, especially  
when listening to program  
material recorded in digital  
formats, such as Dolby*  
on the back of each S412PII  
speaker. Remember to  
maintain the correct  
polarities (+to +and  
“–” to “–”). The S412PII uses  
a red binding post for +”  
and black for “–”. These  
connections will provide  
full-range sound to all four  
transducers, and you should  
ALWAYS make these  
®
Digital and DTS.  
Connect the left-front and  
right-front speaker terminals  
on your receiver or amplifier  
connections.  
4
 
LINE-LEVEL CONNECTIONS  
RECEIVER/AMPLIFIER  
SUBWOOFER OUT  
Y-Connector  
(not included)  
RIGHT  
LEFT  
LFE IN  
LFE IN  
LEFT S412PII  
RIGHT S412PII  
Each S412PII speaker is also  
equipped with a line-level  
Low-Frequency Effects  
(LFE/Subwoofer) input for  
superior performance with  
digital surround formats. The  
.1 LFE channel contains  
additional low-frequency  
information not found in the  
left- and right-front  
channels. The LFE input  
works with the full-range  
speaker-level input to  
provide the dynamics and  
effects that your favorite  
filmmakers intended.  
You will need to use a  
extension RCA patch cords.  
Then plug each patch cord  
into the LFE/Subwoofer input  
of the left and right S412PII  
speakers. Note: If your  
receiver has separate  
Y-Connector (not included)  
with one male connector  
and two female connectors  
to connect the line-level  
subwoofer output on your  
receiver/amplifier to the  
LFE/Subwoofer inputs on the  
S412PII speakers. Plug the  
male connector into the  
subwoofer output on your  
receiver or amplifier, and  
connect each of the two  
female connectors to  
left and right line-level  
subwoofer (or LFE) output  
jacks, you do not need to  
use a Y-Connector.  
5
 
AMPLIFIER CONTROLS  
LFE Level Control: Allows  
you to adjust the volume of  
the low-frequency effects/  
subwoofer channel to suit  
your room acoustics or  
tastes. However, it only  
affects the LFE signal. If you  
are not using the LFE input,  
the LFE level control will not  
operate.  
the entire bass spectrum  
below 80Hz, not just within  
the .1 channel portion. This  
configuration is generally  
unnecessary but, in certain  
room-placement conditions, it  
allows greater bass-level  
control.  
S412PII  
LFE IN –  
LFE LEVEL  
Power Switches: The main  
Powerswitch is simply  
marked Onand Off.Turn  
this switch on to commence  
operation of the powered  
amplifier after you have  
plugged the power cord into  
an AC outlet. The second  
switch is labeled On/Off”  
and has two positions.  
Placing the switch in the  
Autoposition puts the  
amplifier in Standby mode.  
In this mode the speaker will  
be able to automatically  
sense an incoming signal,  
which will trigger it to turn  
fully on. The speaker will  
also automatically switch  
itself back into Standby  
mode after approximately 10  
to 15 minutes have passed  
without its sensing a signal.  
We recommend that you  
leave this switch in the  
Autoposition for most  
applications. If you will be  
away from home or not  
using your speakers for an  
extended period of time, you  
should turn the speakers off  
by using the main power  
switch. The Manual position  
will bypass the auto-sensing  
feature and leave the  
Min  
Max  
Configuring Your Receiver:  
You should choose the  
Largeor Wideoption for  
the left- and right-front  
speakers so that full low-  
frequency information will  
be sent to the S412PII  
speakers. Make sure that  
you also configure your  
receiver for Subwoofer On”  
or LFE On.In this case, the  
LFE/Subwoofer signal will  
consist only of the .1 (bass)  
channel. The LFE signal level  
can be adjusted by using the  
LFE level on the S412PII  
amplifier panel. For initial  
setup, you should set the  
level controls on both  
GREEN “ON”LED  
ON  
OFF  
POWER  
ON/OFF  
ON  
MANUAL  
AUTO  
OFF  
This area is designed to become quite warm  
during normal operation.  
CAUTION  
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.”  
“AVERTISSEMENT: POUR PRÉVENIR LES RISQUES D’INCENDIE OU  
DE CHOC ELECTRIQUE, EVITER D’EXPOSER CET APPAREIL  
PLUIE OU LHUMIDITE.”  
A
LA  
A
LED Indicators: When your  
speaker is turned on but is  
not receiving a signal, the  
LEDs on the front of the unit  
glow red to let you know  
that your speaker is plugged  
in. When the speaker is  
receiving a signal, the LEDs  
glow green. We have  
speakers at minimum  
(full counterclockwise  
rotation). With 5.1, 6.1 or 7.1  
source material playing,  
advance the level controls  
on each speaker slowly until  
the desired amount of  
effects channel is present.  
This is a rather subjective  
adjustment and should be  
made using a variety of  
program materials.  
provided a convenient  
Green OnLEDswitch on  
the back panel to allow you  
to shut off the front LEDs  
should they interfere with  
your enjoyment of a movie.  
This switch has no effect  
when the LEDs are in red  
mode.  
If you choose, you can use  
the Smallor Narrow”  
setting on your receiver.  
In this case, all of the  
information below 80Hz  
will be fed to the LFE/  
amplifier on until turned off  
with the main switch or  
returned to auto sensing by  
choosing the auto position.  
Subwoofer input on the  
S412PII. Now the level  
control operates throughout  
6
 
T R O U B L E S H O O T I N G  
If there is no sound from  
any of the speakers:  
tions between receiver/  
amplifier and speakers.  
Make sure all wires are  
connected. Make sure none of  
the speaker wires are frayed,  
cut or punctured.  
In Dolby Digital or DTS mode,  
make sure your receiver/  
processor is configured so that  
the subwoofer and LFE output  
are enabled.  
Check that receiver/amplifier  
is on and that a source is  
playing.  
Review proper operation of  
your receiver/amplifier.  
If more than one pair of  
main speakers is being used,  
check the minimum impedance  
requirements of your receiver/  
amplifier.  
If you are using the S412PII  
LFE/Subwoofer input and the  
bass level decreases (instead  
of increasing) when you turn  
the LFE/Subwoofer Level knob  
clockwise:  
Recheck to make sure that  
your receiver or amplifier-  
speaker outputs are correctly  
connected to the S412PII  
speaker inputs (gold-plated  
binding posts), (+) to (+) and ()  
to (). The S412PII (+) terminal  
has a red stripe and is located on  
the right-hand side, below the  
letter Lof the molded JBL logo,  
when looking directly at the back  
of the S412PII.  
If the wires are connected  
properly, the confusion may be  
attributable to the design of your  
receiver/amplifier. Your unit may  
have inverting inputs, which  
reverse the polarity of the signal  
between the inputs and outputs  
of the amplifier. To check if this is  
the case, reverse the speaker  
connections for ALL S412PIIs in  
your system (and disconnect any  
other speakers in the system)  
so that the receiver/amplifiers  
(+) connector is connected to  
each S412PIIs () (black stripe)  
speaker connector. If you do  
this and the S412PIIs function  
properly (bass increases as you  
turn your LFE/Subwoofer level-  
control knobs clockwise), your  
receiver/amp uses inverting  
inputs. This is not a problem.  
Simply connect all of the  
If there is no sound coming  
from one speaker:  
Check the Balancecontrol  
on your receiver/amplifier.  
Check all wires and connec-  
tions between receiver/  
If there is no (or low) bass  
output:  
Make sure the polarities  
(+ and ) of the left and right  
Speaker Inputsare  
amplifier and 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  
connected properly.  
Make sure that the speaker  
is plugged into an active  
electrical outlet and switched  
on, and that the green LEDs are  
displayed.  
terminals and creating a short  
circuit.  
In Dolby Digital or DTS mode,  
make sure your receiver/  
processor is configured so that  
the subwoofer and LFE output  
are enabled.  
Turn off all electronics and  
switch the speaker in question  
with one of the other speakers  
that is working correctly. Turn  
everything back on, and  
determine whether the  
If you used the LFE input and  
there is no sound from the  
subwoofer:  
Check that receiver/amplifier  
is on and that a source is  
playing.  
Make sure that the speaker  
is plugged into an active  
electrical outlet and switched  
on, and that the green LEDs are  
displayed.  
Check all wires and connec-  
tions between receiver/  
amplifier and speakers.  
Make sure all wires are  
connected. Review the Line-  
Level Connectionssection on  
page 5 of this manual and make  
sure that a single RCA patch  
cord is connected to each  
loudspeaker from the  
problem is in the same place,  
i.e., the speaker that was  
working previously now has no  
sound and the speaker that  
was not working now sounds  
fine; or whether it has moved,  
i.e., the speaker that was not  
working still has no sound and  
the speaker that was working  
is still fine. If the problem is in  
the same place, the source of  
the problem is most likely with  
your receiver or amplifier, and  
you should consult the owners  
manual for that product for  
further information. If the  
problem has followed the  
speaker, consult your dealer  
for further assistance or, if that  
is not possible, visit our Web  
information.  
speakers in your system the  
same way, with the receiver or  
amplifiers (+) terminal to the  
speakers () terminal, and the  
receiver or amplifiers ()  
Y-Connector plugged into the  
receiver/amplifiers subwoofer  
output. Make sure none of the  
speaker wires are frayed, cut  
or punctured.  
If the system plays at low  
volumes but shuts off as  
volume is increased:  
terminal to the speakers (+)  
terminal.  
7
Check all wires and connec-  
 
S P E C I F I C AT I O N S  
Maximum Recommended  
Amplifier Power:** 250W  
Powered Subwoofer  
Amplifier Output: 200W  
Nominal Impedance: 8 Ohms  
Sensitivity (2.83V/1m): 92dB  
Frequency Response (–3dB): 32Hz – 20kHz  
Crossover Frequencies: 250Hz, 700Hz, 3500Hz  
High-Frequency Transducer: 1" Pure-titanium dome, with rubber surround, shielded;  
Elliptical Oblate Spheroidal(EOS) waveguide  
Midrange Transducer: 4" PolyPlas(polymer-coated cellulose fiber) cone, rubber  
surround, shielded; Linear Field Proximity(LFP) bezel  
Midbass Transducer: 6" PolyPlas(polymer-coated cellulose fiber) cone, rubber  
surround, shielded  
Low-Frequency Transducer: 12" PolyPlas(polymer-coated cellulose fiber) cone,  
rubber surround, SFG,magnetic shorting rings, high-temp  
®
oversized Kapton voice coil, HeatScapemotor structure,  
cast-aluminum basket, shielded  
Dimensions (H x W x D): 44" x 14-3/4" x 16-1/16" (17" with grille)  
1118mm x 375mm x 408mm (432mm with grille)  
Weight (per speaker): 100 lb (45.5kg)  
All features and specifications are subject to change without notice.  
*Trademark of Dolby Laboratories.  
DTS is a registered trademark of Digital Theater Systems, Inc.  
**The maximum recommended amplifier power rating will ensure proper system headroom to  
allow for occasional peaks. We do not recommend sustained operation at these maximum  
power levels.  
O W N E R S G U I D E  
P R O S O U N D  
C O M E S H O M E ™  
P R O D U C T L I N E :  
STUDIO SERIES  
M O D E L  
N U M B E R :  
JBL Consumer Products  
S412PII  
250 Crossways Park Drive, Woodbury, NY 11797  
8500 Balboa Boulevard, Northridge, CA 91329  
800-336-4JBL (4525) (USA only)  
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.  
T W E E T E R T Y P E : Pure-titanium dome with EOSwaveguide  
W O O F E R T Y P E : Cast-aluminum basket with HeatScapemotor structure  
C R O S S O V E R N E T W O R K : Straight-Line Signal Path(SSP)  
P O R T D E S I G N : FreeFlowflared  
©2001 JBL, Incorporated  
JBL is a registered trademark of JBL, Incorporated.  
Part No. 338047-001  
P R O F E S S I O N A L R E F E R E N C E : Studio Monitor  
 

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