JBL Portable Speaker S412P User Manual

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OWNER’S GUIDE  
P RODUCT LINE:  
STUDIO SERIES  
MODEL  
NUMBER:  
S412P  
DES IGN GOAL: Bring the thrill of live performance and movie sound to  
the home environment by calling on JBLs professional engineering leadership.  
TWEETER TYP E: Pure-titanium dome with EOS waveguide  
WOOFER TYP E: Cast-aluminum basket with HeatScape™ motor structure  
CROS S OVER NETWORK: Straight-Line Signal Path™ (SSP)  
P ORT DES IGN: FreeFlow™ flared  
P ROFES S IONAL REFERENCE: Studio Monitor  
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THANK YOU FOR CHOOS ING J BL  
For more than 50 years,  
JBL has been involved in  
every aspect of music  
and film recording and  
reproduction, from live  
performances to the  
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.  
helps us to better  
understand our customers  
and build products that  
meet their needs and  
expectations.  
JBL Consumer Products  
recordings you play in  
your home, car or office.  
Please take a moment to  
complete the enclosed  
profile card. It enables us  
to keep you posted on our  
latest advancements, and  
Were confident that the  
JBL loudspeakers you  
have chosen will provide  
every note of enjoyment  
S P EAKER P LACEMENT  
Proper placement of the  
speakers is an important  
step in obtaining the  
the optimum placement of  
the loudspeakers.  
loudspeakers are video-  
shielded and can safely be  
placed near a television.  
Use them as a guide. Slight  
variations will not diminish  
your listening pleasure.  
All of the Studio Series  
most realistic sound-  
stage possible. These  
recommendations are for  
MODEL: S412P  
Without pad  
With pad  
This model is shipped with  
nonabrasive surface.  
Attach each pad to the  
bottom of its foot in the  
widest portion of the  
recessed area.  
NEVER drag the speaker  
to move it, as this will  
damage the pads, the feet  
and/or the wood cabinet  
itself. Always lift the  
four self-adhesive nonskid  
pads that are to be used if  
the loudspeaker is placed  
on a smooth-surfaced  
floor, such as tile or  
DO NOT attach the pads if  
the speaker will be placed  
on carpeting.  
speaker and carry it to its  
new location.  
hardwood. Gently lay the  
speaker on its side (not its  
front or back) on a soft,  
3
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S P EAKER CONNECTIONS  
CONNECTION TIPS  
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  
amplifier. Wiring out of  
phaseresults in thin  
sound, weak bass and a  
poor stereo image.  
SPEAKER-LEVEL CONNECTIONS  
RIGHT  
LEFT  
+
+
+  
+  
Speaker Outputs  
Your S412P speakers  
right-front speaker  
sound to all four  
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  
terminals on your receiver  
or amplifier to the 5-way  
binding posts on the back  
of each S412P speaker.  
Remember to maintain the  
correct polarities (+to  
+and “–” to “–”). The  
S412P uses a red binding  
post for +and black for  
“–”. These connections  
will provide full-range  
transducers, and you  
should ALWAYS make  
these connections.  
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.”  
recorded in digital 5.1  
formats, such as  
Dolby** Digital and DTS.  
®
Connect the left-front and  
4
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LINE-LEVEL CONNECTIONS  
RECEIVER/AMPLIFIER  
SUBWOOFER OUT  
Y-Connector  
(not included)  
RIGHT  
LEFT  
LFE IN  
LFE IN  
LEFT S412P  
RIGHT S412P  
Each S412P speaker is also effects that your favorite  
two female connectors  
to extension RCA patch  
cords. Then plug each  
patch cord into the  
LFE/Subwoofer input of  
the left and right S412P  
speakers. Note: If your  
receiver has separate  
left and right line-level  
subwoofer (or LFE) output  
jacks, you do not need to  
use a Y-Connector.  
equipped with a line-level  
Low-Frequency Effects  
(LFE/Subwoofer) input for  
superior performance with  
digital 5.1 surround  
filmmakers intended.  
You will need to use a  
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 S412P speakers. Plug  
the male connector into  
the subwoofer output on  
your receiver or amplifier,  
and connect each of the  
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  
5
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AMPLIFIER CONTROLS  
LFE Level Control: Allows  
S412P. Now the level  
you to adjust the volume of control operates through-  
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.  
out 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.  
S 4 1 2 P  
LFE IN –  
LFE LEVEL  
Min  
Max  
Configuring Your Receiver: Power Switches: The main  
GREEN “ON”LED  
ON  
You should choose the  
Largeor Wideoption  
for the left- and right-front  
speakers so that full low-  
frequency information will  
be sent to the S412P  
speakers. Make sure that  
you also configure your  
receiver for Subwoofer  
Onor 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  
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/Offand  
has two positions. Placing  
the switch in the Auto”  
position puts the amplifier  
in Standby mode. In this  
mode the speaker will be  
able to automatically  
OFF  
POWER  
ON/OFF  
MANUAL  
ON  
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
auto sensing by choosing  
the auto position.  
LED Indicators: When your  
speaker is turned on but is  
not receiving a signal, the  
LEDs glow red to let you  
know that your speaker is  
plugged in. When the  
LFE level on the S412P  
amplifier panel. For initial  
setup, you should set the  
level controls on both  
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 amplifier on  
until turned off with the  
speakers at minimum  
(full counterclockwise  
rotation). With 5.1 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  
speaker is receiving a  
signal, the LEDs glow  
green. We have provided a  
convenient Green On’  
LEDswitch 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.  
adjustment and should be  
made using a variety of  
program materials.  
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/  
main switch or returned to  
Subwoofer input on the  
6
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TROUBLES HOOTING  
If there is no sound from  
any of the speakers:  
If there is no (or low) bass  
output:  
If you are using the S412P  
LFE/Subwoofer input and  
the bass level decreases  
(instead of increasing)  
when you turn the LFE/  
Subwoofer Level knob  
clockwise:  
Check that receiver/  
amplifier is on and that a  
source is playing.  
Make sure the polarities  
(+ and ) of the left and  
right Speaker Inputsare  
connected properly.  
Review proper operation  
of your receiver/amplifier.  
Make sure that the  
Recheck to make sure  
that your receiver or  
speaker is plugged into an  
active electrical outlet and  
switched on, and that the  
green LEDs are displayed.  
If there is no sound coming  
from one speaker:  
amplifier-speaker outputs  
are correctly connected to  
the S412P speaker inputs  
(gold-plated binding posts),  
(+) to (+) and () to (). The  
S412P (+) 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 S412P.  
Check the Balance”  
control on your  
receiver/amplifier.  
If you used the LFE input  
and there is no sound from  
the subwoofer:  
Check all wires and  
connections between  
receiver/amplifier  
and speakers.  
Check that receiver/  
amplifier is on and that a  
source is playing.  
Make sure all wires are  
connected. Make sure  
none of the speaker wires  
are frayed, cut or  
Make sure that the  
speaker is plugged into an  
active electrical outlet.  
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  
punctured.  
Check all wires and  
connections between  
receiver/amplifier and  
speakers.  
If the system plays at low  
volumes but shuts off as  
volume is increased:  
Make sure all wires are  
connected. Review the  
Line-Level Connections”  
section on page 5 of this  
manual and make sure that  
a single RCA patch cord  
is connected to each  
loudspeaker from the  
Y-Connector plugged into  
the receiver/amplifiers  
subwoofer output. Make  
sure none of the speaker  
wires are frayed, cut or  
punctured.  
between the inputs and  
outputs of the amplifier. To  
check if this is the case,  
reverse the speaker con-  
nections for ALL S412Ps in  
your system (and disconnect  
any other speakers in the  
system) so that the  
Check all wires and  
connections between  
receiver/amplifier  
and speakers.  
Make sure all wires are  
connected. Make sure  
none of the speaker  
wires are frayed, cut or  
punctured.  
receiver/amplifiers (+)  
connector is connected to  
each S412Ps () (black  
stripe) speaker connector.  
If you do this and the  
If more than one pair of  
main speakers is being  
used, check the minimum  
impedance requirements of  
your receiver/amplifier.  
S412Ps 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 speakers in your  
system the same way, with  
the receiver or amplifiers  
(+) terminal to the speakers  
() terminal, and the receiver  
or amplifiers () terminal to  
the speakers (+) terminal.  
Review proper operation  
of your receiver/amplifier,  
including making sure that  
you have configured your  
receiver so that the sub-  
woofer output is active.  
7
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S P ECIFICATIONS  
S412P  
Maximum Recommended Amplifier Power*: 250W  
Powered Subwoofer Amplifier Output: 200W  
Nominal Impedance: 8 Ohms  
Sensitivity (2.83V/1m): 91dB  
Frequency Response (–3dB): 32Hz – 20kHz  
Crossover Frequencies: 200Hz, 850Hz, 3500Hz  
High-Frequency Transducer: 1" Pure-titanium dome  
Midrange Transducer: 4" PolyPlas™ cone  
Midbass Transducer: 6" PolyPlas™ cone  
Low-Frequency Transducer: 12" PolyPlas™ cone  
Dimensions (H x W x D): 44" x 16" x 13-3/8" (1118mm x 406mm x 340mm)  
Weight (per speaker): 86 lb (39.1 kg)  
*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.  
Occasional refinements may be made to existing products without notice but will always meet  
or exceed original specifications, unless otherwise stated.  
**Trademark of Dolby Laboratories.  
DTS is a registered trademark of Digital Theater Systems, Inc.  
OWNER’S GUIDE  
P RO S OUND  
COMES HOME™  
P RODUCT LINE:  
STUDIO SERIES  
MODEL  
NUMBER:  
JBL Consumer Products  
S412P  
250 Crossways Park Drive, Woodbury, NY 11797  
8500 Balboa Boulevard, Northridge, CA 91329  
800-336-4JBL (4525) (USA only)  
DES IGN GOAL: Bring the thrill of live performance and movie sound to  
the home environment by calling on JBLs professional engineering leadership.  
TWEETER TYP E: Pure-titanium dome with EOS waveguide  
WOOFER TYP E: Cast-aluminum basket with HeatScape™ motor structure  
CROS S OVER NETWORK: Straight-Line Signal Path™ (SSP)  
P ORT DES IGN: FreeFlow™ flared  
©1999 JBL, Incorporated.  
JBL is a registered trademark of JBL, Incorporated.  
Part No.S412P O/G  
P ROFES S IONAL REFERENCE: Studio Monitor  
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