Specifications
KS-AR7002
TROUBLESHOOTING
2-speaker
system
plus
subwoofer
(1
amplifier)
The
minimum impedance should be 4 n for each
of
left
and
right speakers,
and
the
subwoofer
~.-------,
JVC car
receiver,
etc.
[li] Speaker input connector
Connector
lead
Speaker
lead
~
White (stripe) Left
(-)
lID
White Left (+)
[g
Gray (stripe) Right
(-)
lID
Gray RighI (+)
CONTROLS
Hex
screw
SubwQofer
*1
Not provided for this
unit
""
Bridge wiring
><3
Use a High-pass crossover (not provided).
"" Use a Low-pass crossover (not provided).
For more details, consult your
JVC
car audio dealer.
The
POWER/PROTECTOR
lamp
does
not
light.
• Change the fuses if the current one is blown.
• Connect the ground lead securely to a metal part of the car.
• Turn on the equipment connected to this unit.
• Use a relay if your system employs too many amplifiers.
• Confirm the battery voltage
(11
V to 16 V).
The
POWER/PROTECTOR
lamp
lights
in
red
and/or
the
unit
heats
up
abnormally.
• Use the speakers of suitable impedance.
• Correct the speaker wirings if they are short-circuited.
• Leave the unit turned off for a while to cool it down.
No
sound
is
heard.
• Confirm the connections for power supply (see "POWER SUPPLY" on page 1).
• Connect
RCA
pin cords to the
INPUT
jacks,
or
the speaker input connector to the HIGH INPUT
terminal.
Alternator
noise
is
heard.
• Keep the power cords away from the
RCA
pin cords.
• Keep the RCA pin cords away from other electrical cables
in
the car.
• Connect the ground lead securely to a metal part
of
the car.
• Make sure the negative speaker leads
do
not touch the car chassis.
• Replace the plugs
or
use plugs with load resistors.
• Connect a bypass capacitor across the accessory switches (horn, fan, etc.).
Noise
Is
made
when
you
connect
the
unit
to
an
AM
tuner.
• Move the speaker and power cords away from the antenna lead.
SPECIFICATIONS
•
-~
o
!I
l)'A-iit"
Hex
wrench
(3mm)
I!i.1
Control
cover
To
operate the following controls, remove the tiex screws with a provided hex wrench
(3
mm)
and detach the control cover. Attach it again after your operation.
KS-AR7004
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KS-AR7002
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Power
Output
Signal-to-Noise
Ratio
Maximum
Power
Output
Load
Impedance
Frequency
Response
Input Sensitivity/Impedance
Distortion
Power
Requirement
Grounding
system
Dimensions (WxHxD)
Mass
(approx.)
Accessories
KS-AR7004:
100
W
RMS
x 4
channels
at
4
nand,;
1%
THO
+ N
KS-AR7002:
150 W
RMS
x 2
channels
at
4
nand,;
1%
THO
+ N
80
dBA
(reference:
1 W into 4
n)
800W
4 n
(2
n to Bn
allowance)
4 n
(4
n to 8 n
allowance)
(Bridge
Mode)
5
Hz
to
50
kHz·
(+0,
-3
dB)
• Subsonic filter
cuts
off
extremely
low
frequency signals
less
than
20
Hz.
2
V/45
kn
(0.3
V
to
6
V,
variable)
Less
than
0.04%
(at
1
kHz)
DC
14.4 V
(11
Vto
16
V
allowance)
Negative
ground
15-
3
/4
inch
x
2-
3
/8
inch
x
11-3/8
inch
(400
mm
x
60
mm
x
288
mm)
KS-AR7004:
11.7Ibs. (5.3
kg)
KS-AR7002:
11.5
Ibs.
(5.2
kg)
Speaker
input connector
KS-AR7004:
4P
x 2
KS-AR7002:
4P
x I
Screw
(Dia.
3118
inch
(4
mm) x
13
116
inch
(20
mm»
x 4
Hex
wrench
4mmx
1
3
mm
x 1
Spacer
x 6
Bracket
Lxi
Sx2
Screw
(M4
x
1/2
inch
(12
mm»
x 6
Washer
(M4) x 6
Spring
Lock
Washer
(M4)
x 6
-
-
Design
and
specifications are subject
to
change without notice.
_ [European Union only]
m
BASS
BOOST
controller
Turning this boosts the 45 Hz frequency within the range of 0
dB
to +18 dB. Adjust the level
while listening to the sound. This control is preset to MIN when the unit is shipped.
iii
Input
LEVEL
controller
The
input level can
be
adjusted with this control when this unit is connected to other source
equipment. Adjust the level while listening to the sound. This control is preset to MIN when
the unit
is
shipped.
m CROSSOVER
IiIter
switch
OFF: Normally, set to this position.
The
switch is preset to this position when the unit is
shipped.
LPF: Set to this position when you want to turn on the LPF (Low-Pass Filter) switch (the
Low-Pass Filter transmits frequencies lower than the cutoff frequency).
HPF: Set to this position when you want to turn on the
HPF
(High-Pass Filter) switch (the
High-Pass Filter transmits frequencies higher than the cutoff frequency).
iii
CROSSOVER
frequency
controller
Turning this adjusts the cutoff frequency within the range of 30 Hz to 500 Hz. Adjust the level
while listening to the sound. This control is preset to
30
Hz when the unit is shipped.
III POWER/PROTECTOR
lamp
The
lamp lights in green while the unit is turned on. When the lamp does not light or lights in
red with the unit on,
it
indicates there may
be
any trouble (see "TROUBLESHOOTING").
ra
Power
Indicator
The
blue lamp illuminates while the unit is turned on.
3
..lye
EN,FR
©
2007
Victor
Company
of
Japan,
Limited
0207MNMMDWTKC