Read JBL PSW 1200 (serv.man4) User Guide / Operation Manual online
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
risk of electric shock to persons.
triangle is intended to alert the user to the
presence of important operating and
maintenance (servicing) instructions in the
Connecting the unit to an outlet
supplying a higher voltage may
create a fire hazard.
Do not disconnect the plug from
the AC outlet by pulling the cord;
always pull the plug itself. Pulling
the cord may damage it.
unit for any considerable length of
time, disconnect the plug from the
AC outlet. Do not place furniture or
other heavy objects on the cord,
and try to avoid dropping heavy
objects upon it. Also, do not make
a knot in the power cord. Not only
may the cord be damaged, it can
also cause a short circuit with a
consequent fire hazard.
Place the unit on a firm and level
surface. Avoid installing your unit
under the following conditions:
sunlight or close to heating
vibration or dust.
slots on the amplifier by placing
objects over them, otherwise, the
temperature inside the unit may
rise, possibly affecting its long-
Before moving the unit, be sure to
pull out the power cord from the
AC outlet and disconnect the inter-
connection cords with other units.
To prevent shock hazard, do not
tamper with internal components
for inspection or maintenance.
JBL does not guarantee against
performance degradation resulting
from any modification. If water,
a hairpin, or wire, accidentally
enters the unit, immediately
extract the plug from the AC outlet
to prevent shock and consult an
authorized JBL service station. If
you use the unit under this
condition, it may cause a fire or
If the unit gets dirty, wipe it with a
soft, dry cloth. If necessary, wipe it
with a soft cloth dampened with
mild soapy water and then with a
dry cloth. Never use benzene,
thinner, alcohol or other volatile
agent, and avoid spraying an
insecticide near the unit.
Your unit is supplied with the flex which will
have either two or three wires, so the following
items should be observed to guarantee safety:
IMPORTANT. The wires in this mains lead are
colored in accordance with the following code:
Brown – Live
colored markings identifying the terminals in
your plug, proceed as follows:
with the letter N or colored black.
with the letter L or colored red.
JBL loudspeakers. Their highly
accurate, uncolored and balanced
sound character will greatly
increase your enjoyment of
recorded music. We build JBL
speakers with careful attention to
detail, using only the highest
quality materials. They will provide
many years of excellent
performance of more expensive
powered subwoofers. It gives you
remarkably accurate and pleasing
Your PSW Series subwoofer
has both line-level and
speaker-level stereo inputs for
versatility and ease of use.
We've also provided speaker
output to let you hook-up
satellite speakers. Adjustable
level and crossover points let
you balance the subwoofer with
your main speakers.
Woofers: Provide tight bass
and well-defined sound
harshness, stridency, or
Equalization Amplifier Circuitry:
Integrating the acoustic and
electronic systems into a single
enclosure enable JBL
engineers to employ an
equalizer circuit that extends
the bass response beyond the
limitations of a small enclosure.
Enclosure: Optimized to
produce an extended and level