JBL PSW-D112 Simple Setup Manual page 3

Placement
• As a general rule, bass Low-frequency sounds are
response increases as a normally omnidirectional,
subwoofer is placed closer meaning the listener can't
to a wall. Therefore, bass tell where they are generated
output is maximized when from. However, frequencies
the subwoofer is placed in between 75Hz – 150Hz can
a corner. be localized, especially at
• It is also recommended higher volume levels.
that the subwoofer be Positioning your subwoofer
positioned along the as recommended will provide
same wall as the front the most natural soundstage
loudspeakers. and imaging from your loud-
speaker system.
Hookup
When we designed the
PSW-D112 powered subwoofer,
our goal was to offer the user
the best possible performance
combined with the most flexi-
ble and complete installation
options. Please look over the
following four examples to
determine which description
best matches your system and
follow the corresponding
hookup instructions.
1) If your receiver/amplifier
has no subwoofer
outputs or preamp
outputs for the left,
center and right
channels.
Remember that these are just subwoofer location is to tem-
guidelines. Since every listen- porarily place the subwoofer
ing room is different, JBL near the main listening loca-
strongly recommends experi- tion. Then move around the
menting with the positioning room and determine where you
of your subwoofer to obtain hear the most pleasing bass
the most pleasing results in performance. This would then
your room. One technique that be the ideal location for the
can help you find the ideal subwoofer.
RECEIVER/AMPLIFIER
Left Right
– + – +
– +
– +
RIGHT
LEFT
SPEAKER
SPEAKER
– 3 –
120
90 150
180
60
Phase
SPKR In
0
180
L
120
90 150
R
60 180
L
L R
Line Level
L R
R
SPKR Out
Power
On
PSW-D112
Off
Digital Amplification
High
Pass
Low
Pass
Out
In