JVC ks-ar8001 User Manual
3
TROUBLESHOOTING
For more details, consult your “JVC IN-CAR ENTERTAINMENT” car audio dealer.
The Status lamp does not light.
• Change the fuses if the current one is blown.
• Confi rm the connections for the power supply (see “POWER SUPPLY” on page 1).
• 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 so many amplifi ers.
• Confi rm the battery voltage (11 V to 16 V).
• Change the fuses if the current one is blown.
• Confi rm the connections for the power supply (see “POWER SUPPLY” on page 1).
• 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 so many amplifi ers.
• Confi rm the battery voltage (11 V to 16 V).
The Status lamp lights in red and/or the unit heats up abnormally.
• Use speakers of a suitable impedance.
• Correct the speaker wirings if they are short-circuited.
• Leave the unit turned off for a while to cool it down.
• Use speakers of a suitable impedance.
• Correct the speaker wirings if they are short-circuited.
• Leave the unit turned off for a while to cool it down.
The Status lamp lights in violet frequently. (Clipping*)
• Lower the input level with the Input LEVEL controller until the lamp lights in violet a few times.
* It means that the amplifi er circuits are overloaded and the sound may distort due to too much
• Lower the input level with the Input LEVEL controller until the lamp lights in violet a few times.
* It means that the amplifi er circuits are overloaded and the sound may distort due to too much
input from the car receiver.
No sound is heard.
• Confi rm the connections for the power supply (see “POWER SUPPLY” on page 1).
• Connect the RCA pin cords to the INPUT jacks.
• Confi rm the speaker wirings (See “SPEAKER CONNECTIONS” on page 2).
• Confi rm the connections for the power supply (see “POWER SUPPLY” on page 1).
• Connect the RCA pin cords to the INPUT jacks.
• Confi rm the speaker wirings (See “SPEAKER CONNECTIONS” on page 2).
Alternator noise is heard.
• Keep the leads of the POWER terminals 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.).
• Keep the leads of the POWER terminals 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 (MW/LW) tuner.
• Move all the leads of this unit away from the antenna (aerial) lead.
• Move all the leads of this unit away from the antenna (aerial) lead.
SPECIFICATIONS
Maximum Power Output
800 W
RMS Power Output
700 W RMS x 1 channel at 4
Ω and ≤ 1% THD + N
700 W RMS x 1 channel at 2
Ω and ≤ 1% THD + N
Load Impedance
4
Ω (2 Ω to 8 Ω allowance)
Frequency Response
20 Hz to 300 Hz* (+0, –3 dB)
* Subsonic fi lter cuts off extremely low frequency signals. (The
* Subsonic fi lter cuts off extremely low frequency signals. (The
cutoff frequency is adjustable within the range of 20 Hz to 50 Hz.)
Input Sensitivity/Impedance
2 V /44 k
Ω (0.3 V to 6 V, variable)
Distortion
Less than 0.04% (at 100 Hz)
Signal-to-Noise Ratio
80 dBA (reference: 1 W into 4
Ω)
Power Requirement
DC 14.4 V (11 V to 16 V allowance)
Grounding system
Negative ground
Dimensions (W×H×D)
250 mm × 62 mm × 182 mm
Mass (approx.)
2.7 kg
Accessories
Screw (
φ 4 × 20 mm) × 4
Hex Screw (M4 × 10 mm) × 8
Hex wrench
Hex wrench
4 mm × 1
3 mm × 1
3 mm × 1
Spacer × 4
Bracket
Bracket
L × 4
I × 4
I × 4
Design and specifi cations are subject to change without notice.
Status lamp
The lamp normally lights in blue while the unit is turned on.
• When the lamp does not light
• When the lamp lights in red
• When the lamp lights in violet frequently
– It indicates there may be a problem. See “TROUBLESHOOTING” on the right column.
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.
equipment. Adjust the level while listening to the sound. This control is preset to MIN when
the unit is shipped.
LPF (Low-Pass Filter) controller
Adjust the cutoff frequency (the Low-Pass Filter transmits frequencies lower than the cutoff
frequency) within the range of 50 Hz to 300 Hz. Adjust the level while listening to the sound.
This control is preset to 50 Hz when the unit is shipped.
frequency) within the range of 50 Hz to 300 Hz. Adjust the level while listening to the sound.
This control is preset to 50 Hz when the unit is shipped.
PHASE switch
Select either normal (NOM) or reverse (REV), whichever reproduces a better sound. This
switch is preset to NOM when the unit is shipped.
switch is preset to NOM when the unit is shipped.
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.
while listening to the sound. This control is preset to MIN when the unit is shipped.
SUBSONIC fi lter controller
Adjust the cutoff frequency (the subsonic fi lter rejects frequencies lower than the cutoff
frequency) within the range of 20 Hz to 50 Hz. This control is preset to 20 Hz when the unit is
shipped.
frequency) within the range of 20 Hz to 50 Hz. This control is preset to 20 Hz when the unit is
shipped.
CONTROLS
Control cover
Using the controller
The BASS BOOST controller boosts the 45 Hz frequency within the range of 0 dB to
18 dB. Adjust the level while listening to the sound.
18 dB. Adjust the level while listening to the sound.
Connecting the wired remote control unit—RM-RK130
(purchased separately)
(purchased separately)
Using JVC’s wired remote control unit: RM-RK130, you can adjust the bass boost from your seat
without having to adjust the BASS BOOST controller on the amplifi er (see “CONTROLS” above).
without having to adjust the BASS BOOST controller on the amplifi er (see “CONTROLS” above).
Set the BASS BOOST controller on the amplifi er to MIN when you use RM-RK130.
RM-RK130
Remote Cord (provided with
RM-RK130)
RM-RK130)
Screw (
φ 4 × 12 mm) (provided for RM-RK130)
Under the dashboard, etc.
Drilled hole
POWER lamp
BASS BOOST controller
Installation
1
Mount RM-RK130 on a fi rm surface, such as under the dashboard.
2
Connect RM-RK130 to the REMOTE terminal on the amplifi er with the Remote
Cord provided with RM-RK130.
Note
The POWER lamp lights in green while
RM-RK130 is turned on.
RM-RK130 is turned on.
To operate the following controls, detach the control
cover. Attach it again after operation.
cover. Attach it again after operation.
Dear Customer,
This apparatus is in conformance with the valid European directives and standards regarding
electromagnetic compatibility and electrical safety.
European representative of Victor Company of Japan, Limited is:
JVC Technology Centre Europe GmbH
Company name changed in:
JVC Technical Services Europe GmbH
Postfach 10 05 52
61145 Friedberg
Germany
electromagnetic compatibility and electrical safety.
European representative of Victor Company of Japan, Limited is:
JVC Technology Centre Europe GmbH
Company name changed in:
JVC Technical Services Europe GmbH
Postfach 10 05 52
61145 Friedberg
Germany
Information for Users on Disposal of Old Equipment
This symbol indicates that the product with this symbol should not be
disposed as general household waste at its end-of-life. If you wish to
dispose of this product, please do so in accordance with applicable
national legislation or other rules in your country and municipality. By
disposing of this product correctly, you will help to conserve natural
resources and will help prevent potential negative effects on the
environment and human health.
disposed as general household waste at its end-of-life. If you wish to
dispose of this product, please do so in accordance with applicable
national legislation or other rules in your country and municipality. By
disposing of this product correctly, you will help to conserve natural
resources and will help prevent potential negative effects on the
environment and human health.
This symbol is only valid in the European Union.
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