PSW-D110 simple setup guide
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Placement
• 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.
• It is also recommended
that the subwoofer be
positioned along the
same wall as the front
loudspeakers.
Low-frequency sounds are
normally omnidirectional,
meaning the listener can’t
tell where they are generated
from. However, frequencies
between 75Hz – 150Hz can
be localized, especially at
higher volume levels.
Positioning your subwoofer
as recommended will provide
the most natural soundstage
and imaging from your loud-
speaker system.
Remember that these are just
guidelines. Since every listen-
ing room is different, JBL
strongly recommends experi-
menting with the 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 tem-
porarily place the subwoofer
near the main listening loca-
tion. Then move around the
room and determine where you
hear the most pleasing bass
performance. This would then
be the ideal location for the
subwoofer.
120
High
90
150
180
Pass
60
180
Phase
0
Hookup
120
Low
Pass
90
150
180
When we designed the
PSW-D110 powered subwoofer,
our goal was to offer the user
the best possible performance
combined with the the
most flexible and complete
installation options. Please
look over the following three
examples to determine which
description best matches your
system and follow the corre-
sponding hookup instructions.
60
High-Pass
Output
Line
L
R
Input
RECEIVER/AMPLIFIER
LEFT
SPEAKER
+
L
–
+
–
–
+
SPEAKER OUTPUT
LEFT RIGHT
L
–
–
+
+
1) If your receiver/ amplifier
has no subwoofer
outputs or preamp
outputs for the left
and right channels.
–
R
R
+
SPKR
In
RIGHT
SPEAKER
+
–
–
+
SPKR
Out
– 3 –
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2) If your receiver/ amplifier
has subwoofer outputs
or preamp output jacks
for the left and right
channels.
Note: Some receivers/ ampli-
fiers have a single (mono)
subwoofer output. In this
case, it is recommended that
you use a “Y”-connector (not
included) to maximize the
subwoofer’s performance.
120
High
Pass
90
150
180
60
180
Phase
0
120
Low
Pass
90
150
180
60
RECEIVER/AMPLIFIER
SUBWOOFER OUT
High-Pass
Output
LEFT
RIGHT
Line
L
R
Input
MAIN SPEAKER OUTPUT
+
L
–
+
–
–
+
+
–
–
+
RIGHT
LEFT
L
–
R
R
+
SPKR
In
SPKR
Out
+
–
– +
RIGHT
LEFT
LOUDSPEAKER
LOUDSPEAKER
– 4 –
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3) If your receiver/ ampli-
fier has preamp output
jacks and main input
hooked up as shown above,
the subwoofer will limit the
low-frequency information
that is returned to your
receiver/ amplifier. Your
receiver/ amplifier does
not need to waste valuable
power reproducing the low
frequencies. In addition,
since no low-frequency
information is being sent
to your main loudspeakers,
they are able to reproduce
mid and high frequencies with
greater clarity.
jacks for the left and
right channels or you
have a separate pre-
amp/ processor and
power amplifier.
120
This method of hookup can
offer the highest level of per-
formance for your complete
loudspeaker system. The
PSW-D110 incorporates a
variable high-pass crossover
in addition to a variable
low-pass crossover. When
High
Pass
90
150
180
60
RECEIVER/AMPLIFIER
180
Phase
0
PRE
OUT
MAIN
IN
120
Low
Pass
90
150
180
LEFT
60
RIGHT
High-Pass
Output
Line
L
R
Input
MAIN SPEAKER OUTPUT
+
L
–
+
–
–
+
+
–
–
+
RIGHT
LEFT
L
–
R
R
+
SPKR
In
SPKR
Out
+
–
–
+
RIGHT
LEFT
LOUDSPEAKER
LOUDSPEAKER
– 5 –
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Operation
Power
Level Control
When the unit is plugged in
and no signal is received
for approximately 10 – 15
minutes, the subwoofer will
go into a standby mode until
a signal is present. Due to
JBL’s unique, high-efficiency
digital-amplifier design,
The subwoofer Level Control,
located on the front panel,
adjusts the volume of the
subwoofer relative to the rest
of the system. Proper level
adjustment depends on several
variables such as room size,
subwoofer placement, type of
main speakers and listener
position. Adjust the subwoofer
level so that the volume
of the bass information is
pleasing to you.
power consumption is minimal
when the subwoofer is not
receiving a signal.
Crossover Adjustments
High-Pass Control
Low-Pass Control
speakers that do not extend
to the lower bass frequencies,
set the high-pass crossover
control to a higher setting,
between 125Hz – 180Hz.
With this setting, your main
speakers will not have the
burden of reproducing any
low-frequency sounds.
• If you hooked up your sub-
woofer as shown in Hookup
1 on page 3, the high-pass
frequency is fixed at 180Hz.
• If you hooked up your sub-
woofer as shown in Hookup
2 on page 4, there is no
high-pass control. Unless
your receiver/ amplifier
Final adjustment and blending
of the low-pass and high-pass
controls may evolve over sev-
eral listening sessions. A good
starting point would be to set
both the low- and high-pass
controls to the same frequency
and adjust from that point.
• If you hooked up your sub-
woofer as shown in Hookup
3 on page 4, you also have
the capability of adjusting
the high-pass frequency.
The High-Pass control
determines the frequency at
which the main speakers
will start reproducing
sounds. If your main speak-
ers can comfortably repro-
duce some low-frequency
sounds, also set this con-
trol to a lower frequency
setting, between 50Hz –
100Hz. This will concen-
trate the subwoofer’s
efforts to the ultradeep
bass sounds, while your
main speakers continue to
reproduce the mid-bass
information. If you are
using smaller bookshelf
The Low-Pass control deter-
mines 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 subwoofer’s
efforts on the ultradeep bass
sounds required by today’s
films and music. If you are
using smaller bookshelf
120
High
Pass
90
150
180
60
180
Phase
0
120
Low
Pass
90
150
180
60
speakers that do not extend to
the lower bass frequencies, set
the low-pass crossover control
to a higher setting, between
120Hz – 180Hz.
incorporates a high-pass
crossover, your main speak-
ers will continue to get a
full-range signal.
– 6 –
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Troubleshooting
Phase Control
If you used the high-level
(speaker) inputs and there is
no sound from any of the
speakers, check the
If there is low bass output,
check the following:
If you used the line-level
inputs and there is no sound
from the subwoofer, check
the following:
180
Phase
0
• Make sure the connections
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.
following:
• Receiver/ amplifier is on and
a source is playing.
• Powered subwoofer is
plugged in.
• 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.
Remember, every system,
room and listener is different.
There are no right or wrong
settings; any setting you
choose will result in excellent
performance. Should you
decide to fine-tune your
system for optimum
performance, be patient and
trust your ears. It will be
worth the effort involved to
fully “tweak” your system.
The Phase Control determines
whether the subwoofer
• Receiver/ amplifier is on
and a source is playing.
• Powered subwoofer is
speaker’s piston-like action
moves in and out with the
main speakers, 0°, or opposite
the main speakers, 180°. There
is no correct or incorrect set-
ting. Proper phase adjustment
depends on several variables
such as room size, subwoofer
placement and listener posi-
tion. Adjust the phase switch
to maximize bass output at
the listening position.
plugged in.
• Check all wires and connec-
tions between receiver/ ampli-
fier 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.
• Adjust the crossover point.
– 7 –
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Specifications
Amplifier Power (RMS)
150 watts
Driver
10" High-Polymer Laminate
Line Level and Speaker Level
Line Level and Speaker Level
Continuously variable from 60Hz – 180Hz
Inputs
Outputs
Low-Pass Frequency
High-Pass Frequency
Continuously variable from 60Hz – 180Hz
when using line-level outputs
180Hz when using speaker-level outputs
Frequency Response
Dimensions
30Hz – low-pass crossover setting
15-3/ 8 x 15-3/ 8 x 17"
391 x 391 x 432mm
Weight
33 lbs/ 15 kg
JBL Consumer Products
250 Crossways Park Drive, Woodbury, NY 11797
8500 Balboa Boulevard, Northridge, CA 91329
1-800-336-4JBL (4525) (USA only)
1998 JBL, Incorporated
©
JBL is a registered trademark of JBL, Incorporated.
Printed 7/ 98
Part No. PSWD110OM
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