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Installation; Specifications - Pioneer GM-7300M Owner's Manual

Mono power amplifier
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Connecting the Unit
ENGLISH
Using the Speaker Input
Connecting the Speaker Wires
Connect the car stereo speaker output
Connect the speaker leads according to the
wires to the amplifier using the supplied
figures shown below.
speaker input connector.
• Do not connect both the RCA input and the
speaker input at the same time.
7 Connections when using the speaker
input
Subwoofer
Car Stereo
Speaker output
White/black:
Gray/black:
Left ≠
Right ≠
White:
Gray:
Left +
Right +
Speaker input connector
To speaker input terminal of
this unit.

Installation

ENGLISH
• Do not install the amplifier on unstable places
CAUTION
such as the spare tire board.
• The best location for installation differs with the
• Do not install in:
car model and installation location. Secure the
—Places where it could injure the driver or pas-
amplifier at a sufficiently rigid location.
sengers if the vehicle stops suddenly.
• Make temporary connections first and check that
—Places where it may interfere with the driver,
the amplifier and the system operate properly.
such as on the floor in front of the driver's
• After installing the amplifier, confirm that the
seat.
spare tire, jack and tools can be easily removed.
• Make sure that wires are not caught in the sliding
mechanism of the seats, resulting in a short-cir-
Example of installation on the floor
cuit.
• Confirm that no parts are behind the panel when
mat or on the chassis
drilling a hole for installation of the amplifier.
Protect all cables and important equipment such
as fuel lines, brake lines and electrical wiring
1. Place the amplifier where it is to be
from damage.
installed. Insert the supplied tapping
• Install tapping screws in such a way that the
screws (4 × 18 mm) into the screw
screw tip does not touch any wire. This is impor-
tant to prevent wires from being cut by vibration
holes. Push on the screws with a
of the car, which can result in fire.
screwdriver so they make marks
• DO NOT allow amplifier to come into contact
where the installation holes are to be
with liquids due to, for example, the location
where the amplifier is installed. Electrical shock
located.
could result. Also, amplifier and speaker damage,
smoke, and overheating could result from contact
2. Drill 2.5 mm (1/8 in.) diameter holes
with liquids. In addition, the amplifier surface and
at the point marked, and install the
the surface of any attached speakers could become
hot to the touch and minor burns could result.
amplifier, either on the carpet or
• To ensure proper installation, use the supplied
directly to the chassis.
parts in the manner specified. If any parts other
Tapping-screws
than the supplied ones are used, they may damage
(4 × 18 mm)
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 improp-
er 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.
Drill a 2.5 mm (1/8 in.)
—Allow adequate space above the amplifier for
diameter hole
proper ventilation.
—Do not cover the amplifier with a floor mat or
carpet.
• DO NOT allow amplifier to come into contact
with liquids due to, for example, the location
where the amplifier is installed. Electrical shock
could result. Also, amplifier and speaker damage,
smoke, and overheating could result from contact
with liquids. In addition, the amplifier surface and
the surface of any attached speakers could become
hot to the touch and minor burns could result.

Specifications

Power source............................................................................................................ 14.4 V DC (10.8 V to 15.1 V allowable)
Grounding system ............................................................................................................................................ Negative type
Current consumption ........................................................................................................ 33.0 A (at continuous power, 4 Ω)
Average current drawn* ............................................................................................................ 9.0 A (4 Ω for one channel)
Fuse .......................................................................................................................................................................... 30 A × 2
Dimensions ........................................................................................................ 300 mm (W) × 60 mm (H) × 334 mm (D)
Weight .......................................................................................................... 4.1 kg (9 lbs.) (Leads for wiring not included)
Maximum power output ................................................................................................ 500 W × 1 (4 Ω) / 800 W × 1 (2 Ω)
Continuous power output ............................................................ 250 W × 1 (at 14.4 V, 4 Ω, 20 Hz to 240 Hz 0.5% THD)
360 W × 1 (at 14.4 V, 2 Ω, 20 Hz to 240 Hz 0.8% THD)
Load impedance .......................................................................................................................... 4 Ω (2 Ω to 8 Ω allowable)
Frequency response ............................................................................................................ 10 Hz to 240 Hz (+0 dB, –3 dB)
Signal-to-noise ratio ...................................................................................................................... 100 dB (IHF-A network)
Distortion .......................................................................................................................................... 0.03 % (10 W, 120 Hz)
Low pass filter .............................................................................................................. Cut off frequency: 40 Hz to 240 Hz
Bass boost .................................................................................................................................................. Frequency: 50 Hz
Gain control ...................................................................................................................................... RCA: 400 mV to 6.5 V
Maximum input level / impedance ........................................................................................................ RCA: 6.5 V / 22 kΩ
Power output ........................................................................................ 250 W RMS × 1 channel
(4 Ω and
360 W RMS × 1 channel
(2 Ω and
1 % THD+N, 100 Hz)
Signal-to-noise ratio ............................................................ 80 dBA (Reference: 1 W into 4 Ω)
Note:
• 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
ENGLISH
16.0 A (2 Ω for one channel)
[12 in. (W) × 2-3/8 in. (H) × 1 ft. 1 in. (D)]
Cut off slope: –12 dB/oct
Level: 0 dB/6 dB/12 dB
Speaker: 1.6 V to 26 V
Speaker: 26 V / 40 kΩ
1 % THD+N)

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