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Connecting the Unit
Connecting the Power Terminal
3. Attach lugs to wire ends. Lugs not
supplied.
• Always use the special red battery and ground
• Use pliers, etc., to crimp lugs to wires.
wire [RD-223], which is sold separately. Connect
the battery wire directly to the car battery positive
Lug
terminal (+) and the ground wire to the car body.
1. Pass the battery wire from the
engine compartment to the interior
of the vehicle.
Lug
• After making all other connections to the
amplifier, connect the battery wire terminal of
Battery wire
the amplifier to the positive (+) terminal of
the battery.
Engine
Interior of
Fuse (30 A)
compart-
4. Connect the wires to the terminal.
ment
the vehicle
• Fix the wires securely with the terminal
screws.
GND terminal
Fuse (30 A)
Drill a 14 mm
System remote
Positive terminal
(1/2 in.) hole
control terminal
Insert the O-ring rubber
into the vehicle
grommet into the vehicle
body.
System remote
body.
control wire
Ground wire
2. Twist the battery wire, ground wire
and system remote control wire.
Twist
Battery wire
Connecting the Speaker Terminals
Connecting the Speaker wires
Connect the speaker leads according to the
1. Expose the end of the speaker wires
figures shown below.
using nippers or a cutter by about
10 mm (3/8 in.) and twist.
Twist
Ground wire
10 mm
(3/8 in.)
2. Attach lugs to speaker wire ends.
Lugs not supplied.
• Use pliers, etc., to crimp lugs to wires.
Lug
Speaker wire
Power terminal
3. Connect the speaker wires to the
speaker terminals.
• Fix the speaker wires securely with the termi-
nal screws.
Terminal screw
Speaker
terminal
Speaker wire
Installation
Example of installation on the floor
CAUTION
mat or on the chassis
• Do not install in:
—Places where it could injure the driver or pas-
sengers if the vehicle stops suddenly.
1. Place the amplifier where it is to be
—Places where it may interfere with the driver,
such as on the floor in front of the driver's seat.
• Make sure that wires are not caught in the sliding
mechanism of the seats, resulting in a short-circuit.
• Confirm that no parts are behind the panel when
drilling a hole for installation of the amplifier. Protect
all cables and important equipment such as fuel lines,
brake lines and electrical wiring from damage.
• Install tapping screws in such a way that the
Subwoofer
screw tip does not touch any wire. This is important
2. Drill 2.5 mm (1/8 in.) diameter holes
to prevent wires from being cut by vibration of the
car, which can result in fire.
• To prevent electric shock, do not install the amplifier
in places where it might come in contact with liquids.
• To ensure proper installation, use the supplied parts
in the manner specified. If any parts other than the
supplied ones are used, they may damage internal
parts of the amplifier, or they may become loose
causing the amplifier to shut down.
• Never replace the fuse with one of greater value or
rating than the original fuse. Use of an improper
fuse could result in overheating and smoke and
could cause damage to the product and injury
including burns.
CAUTION:
To prevent malfunction and/or injury
• To ensure proper heat dissipation of the amplifier,
be sure of the following during installation.
—Allow adequate space above the amplifier for
proper ventilation.
—Do not cover the amplifier with a floor mat or
carpet.
• Do not install the amplifier near a door where it
may get wet.
• Do not install the amplifier on unstable places such
as the spare tire board.
• The best location for installation differs with the car
model and installation location. Secure the amplifier
at a sufficiently rigid location.
• Make temporary connections first and check that the
amplifier and the system operate properly.
• After installing the amplifier, confirm that the spare
tire, jack and tools can be easily removed.
Specifications
Power source .............................................................................................................. 14.4 V DC (10.8 — 15.1 V allowable)
Grounding system ............................................................................................................................................ Negative type
Current consumption ........................................................................................................ 31.0 A (at continuous power, 4 Ω)
Average current drawn* ............................................................................................................ 4.4 A (4 Ω for one channel)
Fuse .......................................................................................................................................................................... 25 A × 2
installed. Insert the supplied tapping
Dimensions ........................................................................................................................ 268 (W) × 52 (H) × 250 (D) mm
screws (4 × 18 mm) into the screw
Weight ........................................................................................................ 2.9 kg (6.4 lbs) (Leads for wiring not included)
holes. Push on the screws with a
Maximum power output ............................................................................................ 600 W × 1 (4 Ω) / 1,000 W × 1 (2 Ω)
screwdriver so they make marks
Continuous power output ................................................................ 300 W × 1 (at 14.4 V, 4 Ω, 20 — 240 Hz, 0.4% THD)
where the installation holes are to be
Load impedance ............................................................................................................................ 4 Ω (2 — 8 Ω allowable)
located.
Frequency response ................................................................................................................ 5 — 240 Hz (+0.5 dB, –3 dB)
Distortion ............................................................................................................................................ 0.03% (10 W, 120 Hz)
Low pass filter .................................................................................................................... Cut off frequency: 40 — 240 Hz
at the point marked, and install the
amplifier, either on the carpet or
Bass level control ............................................................................................................................................ –22 — +12 dB
directly to the chassis.
Maximum input level/impedance ............................................................................ RCA: 6.5 V/22 kΩ (125 mV — 6.5 V)
Tapping-screws
Note:
(4 × 18 mm)
• Specifications and the design are subject to possible modification without notice
due to improvements.
*Average current drawn
• The average current drawn is nearly the maximum current drawn by this unit
when an audio signal is input. Use this value when working out total current
drawn by multiple power amplifiers.
Floor mat
or chassis
Drill a 2.5 mm (1/8 in.)
diameter hole
7.3 A (2 Ω for one channel)
[10-1/2 (W) × 2 (H) × 9-7/8 (D) in.]
500 W × 1 (at 14.4 V, 2 Ω, 20 — 240 Hz, 0.8% THD)
Cut off slope: –24 dB/oct
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