ACCSTIV-EBSBUB2WOOFER SYSTEM: INSTRUCTIONS
LVT1544-001A
[J/U]
INFORMATION (For U.S.A.)
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
– Consult the dealer or an experienced radio/TV technician for help.
Caution
Changes or modifications not approved by JVC could void the user’s authority to operate the
equipment.
For safety....
•
Do not raise the volume level too much, as this will block outside sounds, making driving dangerous.
CAUTIONS AND NOTES
This unit is designed to operate on 12 V DC, NEGATIVE ground electrical systems.
• To prevent short circuits, we recommend that you disconnect the battery’s negative terminal
and make all electrical connections before installing the unit.
• Cover the unused terminals with insulating tape to prevent them from short circuiting.
• When an extension lead is used, it should be as thick and short as possible; connect it firmly
with insulating tape.
Thank you for purchasing a JVC product. Please read all instructions carefully before operation, to ensure
your complete understanding and to obtain the best possible performance from the unit.
• Be sure to leave an appropriate space between the antenna and the wires of this unit.
• When replacing the fuse, only use a 10 A fuse.
• Do not let foreign objects get inside the unit.
For Customer Use:
Enter the Model No. and Serial No. which
are located on the top or bottom of the cabinet.
Retain this information for future reference.
Model No.
Serial No.
•
To keep the heat dissipation mechanism running effectively, wipe the accumulated dust off periodically.
• Using this subwoofer system with the volume on loud for a long eriod of time will exhaust the
battery, while the engine is turned off or while the engine is idling.
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• This unit becomes very hot. Be careful not to touch the unit not only when using but for a while
after using.
© 2006 Victor Company of Japan, Limited
DO NOT disassemble the units since there are no user serviceable parts inside.
INSTALLATION
Mount this unit on a firm surface, such as on the floor.
• Since heat is generated in this unit, do not mount near flammable objects. In addition, mount in
an area that will not prevent the unit from dissipating heat.
1 Attach the velcro tapes on the bottom
4 Install this unit with the supplied
as illustrated.
screws.
• Do not mount the unit in the places subject to heat such as near a radiator, in a glove
compartment or under a car mat that will prevent the unit from dissipating heat.
Bottom
Cautions
• Never try to install this unit only with the velcro tape (supplied for skid-proof attachment).
• Fix it with the tapping screws (supplied) firmly.
• When mounting this unit, be sure to use the screws provided. If any other screws are used,
there is a risk of loosening the unit or damaging internal parts.
– Before drilling holes on the floor to install the unit, make sure that there is a sufficient
space under the floor so that you do not drill holes in the fuel tank, etc.
• This unit generates a strong magnetic field. Never place cassette tapes or magnetic cards
nearby the unit; otherwise, data recorded in those media will be erased.
2 Drill the screw holes using the
supplied paper pattern.
3 After connections, adjust the phase
and volume of this unit.
• For details, see “CONNECTIONS.”
How to use the supplied wire clamp
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CONNECTIONS
When connecting to subwoofer output
Set the subwoofer output level to the maximum on your car receiver.
• Use the supplied remote controller to adjust the volume. (When sound is distorted, lower the subwoofer output level on your car receiver.)
NOTES:
• When connecting to the Subwoofer Output jacks, make sure that the output level of the receiver is 2 V or lower; otherwise, sounds will be distorted.
• The volume of this unit is set to the maximum when remote controller is not connected.
Adjust the subwoofer output level on your car receiver.
When connecting to 5.1 channel subwoofer output
Set the subwoofer output level to the maximum on your decoder.
• Use the supplied remote controller to adjust the volume.
NOTES:
• When connecting to the 5.1-ch Subwoofer output jacks, make sure that the output level of the decoder is 2 V or lower; otherwise, sounds will be distorted.
• The volume of this unit is set to the maximum when remote controller is not connected.
Adjust the subwoofer output level on your car decoder.
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OPERATIONS
Attaching the remote controller
• Do not place the remote controller where it will be exposed to direct sunlight.
Cautions
• When using this unit, deactivate all sound adjustment functions except volume level;
otherwise, sound may be distorted.
PHASE AND SOUND ADJUSTMENT
Use a CD with rich bass sound to test and adjust phase and sound.
Main Unit
Remote Controller
When your car receiver is equipped with
Low Pass Filter, switch to “OFF.”
Turns on and off the subwoofer
output. When it is on, the lamp
lights up.
Adjust the subwoofer output level.
(Center: 0 dB)
Switch to the position (+/–) which
gives you better sound.
SPECIFICATIONS
TROUBLESHOOTING
For more details, consult JVC IN-CAR ENTERTAINMENT car audio dealer.
Type
Speaker Unit
Input Terminal
Closed Active Subwoofer (Built-in amplifier)
14 cm (5-9/16 in.) cone
No sound is heard.
LINE IN (1 system), 0.19 V/25 kΩ
SPEAKER (1 system), 3.7 V
• Is the blue with white stripes connected correctly?
• Is audio cord connected to the LINE IN jacks?
• Is this subwoofer system grounded?
Power Output
32 W RMS x 2 channels at 2 Ω
and ≤ 1% THD + N
75 dBA (reference: 1 W into 2 Ω)
Alternator noise is heard.
Signal-to-Noise Ratio
• Keep the power cord away from the audio cord.
• Keep the audio cord away from other electrical cables in the car.
• Confirm if the ground wire is connected securely to a metal part of the car.
• Confirm if the noise originates in the receiver.
Maximum Amplifier Power Output
Cut-off Frequency
60 W + 60 W (Impedance 2 Ω + 2 Ω )
110 Hz (L.P.F. switch “ON”, –12 dB/oct low pass filter)
20 Hz to 200 Hz (L.P.F. switch “ON”)
20 Hz to 500 Hz (L.P.F. switch “OFF”)
88 dB/ m (with line input: 0.03 V)
–50 dB to 0 dB (Center) to + 10 dB
DC 14.4 V (11 V to 16 V allowance)
Negative ground
Crossover Frequency
Sound Pressure Level
Level Control
Power Requirement
Dimensions (W/H/D)
290 mm × 60.5 mm × 200 mm
(11-7/16 in. x 2-7/16 in. x 7-7/8 in.)
2.1 kg (4.7lbs) (Excluding accessories)
Remote controller (cord: 3 m/9.8 ft.) × 1
Power cord (3 m/9.8 ft.) × 1
Mass
Supplied Accessories
Stay (Metal tool ) × 4
Tapping screw ( 4 × 16 mm/11/16 in.) × 4
Mounting screw ( 4 × 20 mm/13/16 in.) × 4
Velcro tape × 4
Double-sided tape × 1
Crimp connector × 1
Wire clamp × 1
Design and specifications are subject to change without notice.
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