Read JBL ESC 300 Sub (serv.man3) User Guide / Operation Manual online
the product is operated.
should be adhered to.
liquid cleaners or aerosol cleaners. Use a
damp cloth for cleaning.
turer, as they may cause hazards.
bathtub, wash bowl, kitchen sink or laundry
tub; in a wet basement; or near a swimming
pool; and the like.
table. The product may fall, causing serious
injury to a child or adult, and serious dam-
age to the product. Use only with a cart,
stand, tripod, bracket, or table recommended
by the manufacturer, or sold with the prod-
uct. Any mounting of the product should
follow the manufacturer’s instructions, and
should use a mounting accessory recom-
mended by the manufacturer.
Be Moved with Care.
product and cart combination to overturn.
ensure reliable operation of the product and
to protect it from overheating, and these
openings must not be blocked or covered.
The openings should never be blocked by
placing the product on a bed, sofa, rug, or
other similar surface. This product should
not be placed in a built-in installation such
as a bookcase or rack unless proper ventila-
tion is provided or the manufacturer’s
instructions have been adhered to.
indicated on the marking label. If you are
not sure of the type of power supply to your
home, consult your product dealer or local
power company. For products intended to
operate from battery power, or other
sources, refer to the operating instructions.
nating-current line plug (a plug having one
blade wider than the other). This plug will
fit into the power outlet only one way. This
is a safety feature. If you are unable to
insert the plug fully into the outlet, try
reversing the plug. If the plug should still
fail to fit, contact your electrician to replace
your obsolete outlet. Do not defeat the
safety purpose of the polarized plug.
likely to be walked on or pinched by items
placed upon or against them, paying partic-
ular attention to cords at plugs, convenience
receptacles, and the point where they exit
from the product.
when left unused for long periods of time.
to the product, be sure the antenna or cable
system is grounded so as to provide some
protection against voltage surges and built-
up static charges. Article 810 of the National
Electrical Code, ANSI/NFPA 70, provides
information with regard to proper grounding
of the mast and supporting structure,
grounding of the lead-in wire to an antenna
discharge unit, size of grounding conductors,
location of antenna-discharge unit, connec-
tion to grounding electrodes, and require-
ments for the grounding electrode. See
it is left unattended and unused for long
periods of time, unplug it from the wall out-
let and disconnect the antenna or cable sys-
tem. This will prevent damage to the product
due to lightning and power-line surges.
overhead power lines or other electric light
or power circuits, or where it can fall into
such power lines or circuits. When installing
an outside antenna system, extreme care
should be taken to keep from touching such
power lines or circuits, as contact with them
might be fatal.
nience receptacles, as this can result in a
risk of fire or electric shock.
through openings, as they may touch dan-
gerous voltage points or short-out parts that
could result in a fire or electric shock. Never
spill liquid of any kind on the product.
ing covers may expose you to dangerous
voltage or other hazards. Refer all servicing
to qualified service personnel.
vicing to qualified service personnel under
the following conditions:
Adjust only those controls that are covered
by the operating instructions, as an improper
adjustment of other controls may result in
damage and will often require extensive
work by a qualified technician to restore the
product to its normal operation; or
nician has used replacement parts specified
by the manufacturer or that have the
same characteristics as the original part.
Unauthorized substitutions may result in
fire, electric shock or other hazards.
service technician to perform safety checks
to determine that the product is in proper
as recommended by the manufacturer.
heat registers, stoves, or other products
(including amplifiers) that produce heat.
symbol, within an equilateral triangle, is
intended to alert the user to the
presence of uninsulated “dangerous
voltage” within the product’s enclosure
that may be of sufficient magnitude to
constitute a risk of electric shock to
equilateral triangle is intended to alert
the user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
Antenna Discharge Unit (NEC Section 810-20)
Grounding Conductors (NEC Section 810-21)
Electric Service Equipment
Power Service Grounding Electrode System
(NEC Art 250, Part H)
Example of Antenna
Grounding as per National
Electrical Code, ANSI/NFPA 70
any of the speakers, check
plugged into an active AC
• Make sure the Master Power
Switch, located on the rear of
the subwoofer, is in the
• Make sure there is a
source – for example, a VCR
or television hooked up to
the video or auxiliary input
• Make sure that the program
material is playing.
• Recheck the hookup con-
nections in the ”Speaker
the surround speakers or
it is very low, check the
and each of the speakers.
• Raise the surround volume
from the remote control (see
• Make sure the TV show or
movie you are watching is
recorded in Dolby Surround.
If it is not, try the Phantom
or Simulated surround mode.
the center speaker, check
sor is in the Pro Logic,
3 Stereo, or Simulated mode.
If it is in Phantom or Stereo
mode, the center speaker
will not play.
• Check the connections
between the subwoofer and
the center speaker.
check the following:
of the subwoofer. Remember,
place the subwoofer in a
corner to get maximum bass
output from the system.
• Increase the level of bass,
using the remote control.
200 watts total
35 watts x 3 @ .1% THD;
15 watts x 2 @ .1% THD;
65 watts x 1 @ 1% THD
Auto Turn-on Sensitivity
35Hz – 20kHz
15-1/8 x 13 x 14-1/2 inches
384 x 330 x 368mm
34.5 lbs/15.7 kg
4-3/8 x 3-3/16 x 3-3/4 inches
111 x 81 x 95mm
.8 lbs/.4 kg
made to existing products
without notice, but will always
meet or exceed original
specifications unless otherwise
center and surrounds.
cables. Extension cable XC300
available in 10-ft. length in
either white or black.
with additional Phantom,
Simulated, 3-Stereo, and
Stereo Surround modes.
for all speakers and subwoofer.
micro-satellites with titanium
tion wire for easy placement.
of center speaker. Versatile
remote sensor, and double-
sided tape provided.