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SPEAKER 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 nor-
mally omnidirectional, meaning
the listener can’t tell where they
are
generated
from. However,
frequencies between 75Hz and
150Hz can be localized, espe-
cially at higher volume levels.
Positioning your subwoofer as
recommended will provide the
most natural soundstage and
imaging from your loudspeaker
system.
Remember that these are just
guidelines. Since every listening
room is different, JBL strongly
recommends experimenting
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 temporarily place
the subwoofer near the main
listening location. 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.
SPEAKER CONNECTION
When we designed the
E150P and E250P powered
subwoofers, our goal was
to offer the user the best pos-
sible performance combined
with 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 corresponding
hookup instructions.
To use the binding-post
speaker terminals with bare
wire, unscrew the collar until
the hole through the center
post is visible 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
banana-type connectors.
Speakers and electronics termi-
nals have corresponding positive
(+) and negative (–) terminals.
It
is important to connect both
speakers identically:
positive (+) on the speaker
to positive (+) on the amplifier
and negative (–) on the speaker
to negative (–) on the amplifier.
Wiring “out of phase” results in
thin sound, weak bass and a
poor stereo image.
NOTE: The speaker-level con-
nection method described on
page 4 is not a preferred con-
nection and should only be
resorted to if your receiver/
processor does not have a
line-level or subwoofer output.
The customer is responsible for
proper connections, and any
damage to JBL or other equip-
ment due to improper connec-
tions will not be covered by
your JBL warranty. Consult with
your JBL dealer or an audio-
installation expert if you have
any questions about how to
connect your subwoofer using
the speaker-level inputs.
3
THANK YOU FOR CHOOSING JBL
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.
We’re confident that the JBL
system you have chosen will
provide every note of enjoy-
ment 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.
Please take a moment to
register your product on our
Web site at www.jbl.com.
This enables us to keep you
posted on our latest advance-
ments, and helps us to better
understand our customers
and build products that
meet their needs and
expectations.
JBL Consumer Products