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CONTROLS
CONTROLS
1
POWER indicator
The
green lamp lights while the unit is turned on.
2
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 200 Hz.
Adjust the level while listening to the sound. This controller is preset to
50 Hz when the unit is shipped.
3
BASS BOOST switch
Setting this switch to "LOW" or "HIGH" emphasizes the bass at 45 Hz.
HIGH
LOW
OFF
: +12 dB. /
: +6 dB./
: BASS BOOST is OFF. (The switch
is preset to this position when the unit is shipped.)
4
INPUT SENS. (input sensitivity) controller
Set this control according to the line-output level of the center
unit connected with this unit. For the line-output level, refer to the
"SPECIFICATIONS" in the instruction manual of the center unit. This
controller is preset to 5 V when the unit is shipped.
TROUBLESHOOTING
TROUBLESHOOTING
The POWER indicator does not light.
•
Change the fuses if the current one is blown.
•
Connect the ground lead securely to a metal part of the car.
•
Confirm the battery voltage (11 V to 16 V).
•
Leave the unit turned off to cool it down if it heats up abnormally.
No sound is heard.
•
Confirm the connections for the power supply. (See "POWER SUPPLY
CONNECTION".)
•
Connect the RCA pin cords to the INPUT jacks, or the speaker input
connector to the HIGH INPUT terminal.
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 speaker negative leads do not touch the car chassis.
•
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.
INPUT
BASS
SENS.
BOOST
LPF
0.5
120
1
100
150
2
70
OFF
HIGH
3
LOW
4
.
5V
0
2V
50Hz
200Hz
SPECIFICATIONS
SPECIFICATIONS
Power Output
150 W RMS × 1 channels at 4 Ω and ≤ 1% THD + N
Signal-to-Noise Ratio: 80 dBA (reference: 1 W into 4 Ω)
Power Output
250 W RMS × 1 channels at 2 Ω and ≤ 1% THD + N
Maximum Power Output
500 W
Load Impedance
4 Ω (2 Ω to 8 Ω allowance)
Frequency Response
20 Hz to 200 Hz ( +0 dB, –3 dB)
Input Sensitivity/Impedance
2 V/21 kΩ (0.2 V to 5 V, variable)
Distortion
Less than 0.08% (at 100 Hz)
Power Requirement
DC 14.4 V (11 V to 16 V allowance)
Grounding system
Negative ground
Dimensions (W×H×D)
226 mm × 49.5 mm × 185 mm
(8-15/16 in. × 2 in. × 7-5/16 in.)
Mass (approx.)
1.4 kg (3.1 lbs)
Accessories
Speaker input connector 3P × 1
Mounting Screw Ø 4 × 20 mm (13/16 in.) × 4
Design and specifications are subject to change without notice.
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