JL Audio J2 250.1 Bruksanvisning

JL Audio hi-fi system J2 250.1

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Thank you for purchasing a JL Audio amplifier for
your automotive sound system.
Your amplifier has been designed and manufactured to exacting
standards in order to ensure years of musical enjoyment in your vehicle.
For maximum performance, we highly recommend that you have
your new amplifier installed by an authorized JL Audio dealer. Your
authorized dealer has the training, expertise and installation equipment
to ensure optimum performance from this product. Should you
decide to install the amplifier yourself, please take the time
to read this manual thoroughly so as to familiarize yourself
with its installation requirements and setup procedures.
If you have any questions regarding the instructions in this
manual or any aspect of your amplifier’s operation, please contact your
authorized JL Audio dealer for assistance. If you need further assistance,
please call our Technical Support Department
at (954) 443-1100 during business hours.
owner’s manual
250W Monoblock Subwoofer Amplifier
2 JL Audio
Protect Your Hearing!
We value you as a long-term customer. For
that reason, we urge you to practice restraint in
the operation of this product so as not to damage
your hearing and that of others in your vehicle.
Studies have shown that continuous exposure to
high sound pressure levels can lead to permanent
(irreparable) hearing loss. This and all other
high-power amplifiers are capable of producing
such high sound pressure levels when connected
to a speaker system. Please limit your continuous
exposure to high volume levels.
While driving, operate your audio system in
a manner that still allows you to hear necessary
noises to operate your vehicle safely (horns,
sirens, etc.).
serial number
In the event that your amplifier requires
service or is ever stolen, you will need to
have a record of the product’s serial number.
Please take the time to enter that number in
the space provided below. The serial number
can be found on the bottom panel of the
amplifier and on the amplifier packaging.
Serial Number:
installation aPPlications
This amplifier is designed for operation in
vehicles with 12V, negative-ground electrical
systems. Use of this product in vehicles with
positive ground and/or voltages other than 12V
may result in damage to the product and will void
the warranty.
This product is not certified or approved for
use in aircraft.
Do not attempt to “bridge” the outputs of this
amplifier with the outputs of a second amplifier,
including an identical one.
LP Filter equency (Hz)Input Sens. Bass BoostFr
Power otectPr
Remote
Level Po rt
LEFT
RIGHT
LEFT
RIGHT
Preamp
Outputs
Amplifier
Inputs
min max 60 240 +9dBO
High-Level Inputs
Protection Status
I rndicato
(pg. 11)
Left & Right
Preamp Output Jacks
(pg. 8) Left & Right
Preamp Input Jacks
(pg. 6)
High-Level
Input Jack
(pg. 6,7)
Power Status
I rndicato
(pg. 11)
Bass Boost
Control
(pg. 9)
Filter
Frequency Selector
(pg. 8)
Remote
Level Port
(pg. 9)
Input Sensitivity
Control
(pg. 7)
+12 V wer Po
Connec rto
(pg. 5)
Chassis Ground
Connec rto
(pg. 5)
Remote Turn-On
Connec rto
(pg. 6)
Made in China
Ground FUSE
30A
Remote + 12VDC
Fuse
(pg. 5)
3
PLANNING YOUR INSTALLATION
It is important that you take the time to read
this manual and that you plan out your
installation carefully. The following are some
considerations that you must take into account
when planning your installation.
Cooling Efficiency Considerations:
The outer shell of your JL Audio amplifier is
designed to remove heat from the amplifier
circuitry. For optimum cooling performance,
this outer shell should be exposed to as
large a volume of air as possible. Enclosing
the amplifier in a small, poorly ventilated
chamber can lead to excessive heat build-up
and degraded performance. If an installation
calls for an enclosure around the amplifier,
we recommend that this enclosure be
ventilated with the aid of a fan. In normal
applications, fan-cooling is not necessary.
I M P O R TA N T
!
Mounting the amplifier upside down is
strongly discouraged.
If mounting the amplifier under a seat,
make sure there is at least 1 inch (2.5 cm) of
space above the amplifier’s outer shell to permit
proper cooling.
Safety Considerations:
Your amplifier needs to be installed in a dry,
well-ventilated environment and in a manner
which does not interfere with your vehicle’s safety
equipment (air bags, seat belt systems, ABS brake
systems, etc.). You should also take the time to
securely mount the amplifier using appropriate
hardware so that it does not come loose in the
event of a collision or a sudden jolt to the vehicle.
Stupid Mistakes to Avoid:
• Check before drilling any holes in your vehicle
to make sure that you will not be drilling
through a gas tank, brake line, wiring harness or
other vital vehicle system.
• Do not run system wiring outside or underneath
the vehicle. This is an extremely dangerous
practice which can result in severe damage to
your vehicle and person.
• Protect all system wires from sharp metal
edges and wear by carefully routing them,
tying them down and using grommets and
loom where appropriate.
• Do not mount the amplifier in the engine
compartment, under the vehicle, on the roof
or in any other area that will expose the
amplifier circuitry to the elements.
PRODUCT DESCRIPTION
The JL Audio J2-250.1 is a monoblock
subwoofer amplifier utilizing Class A/B
technology. Its frequency response is limited
to the range below 100 Hz. It is not designed
for driving midrange speakers or tweeters.
It has been optimized for low-frequency
amplification. For detailed specifications,
please refer to Appendix B (page 13).
Speaker Outputs
(pg. 10)
Speaker Output (Mono)

Produktspecifikationer

Varumärke: JL Audio
Kategori: hi-fi system
Modell: J2 250.1

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