Owner's Manual
Table Of Contents
(Installation
)
• Check all
connections
and systems before
final installation.
•
After
installing
the
amplifier,
confirm
that
the
spare tire,
jack
and tools can be easily
re-
moved.[!]
Example
of
installation
on
the
floor
mat
or
chassis
1 Place
the
amplifier
in
the
desired instal-
lation location.
Insert the supplied tapping screws
(4
mm
x
18
mm
(1/8 in. x 3/4 in.)) into the screw holes
and push on the screws with a screwdriver so
they make an
imprint
where the installation
holes are to
be
located.
2 Drill 2.5 mm
(1/8
in.) diameter holes
at
the
imprints either on
the
carpet or directly
on
the
chassis.
\.
3 Install
the
amplifier
with
the
use
of
supplied tapping screws (4 mm x 18 mm
(1/8
in. x
3/4
in.)).
CD
Tapping-screws
(4
mm
x
18
mm
(1/8 in. x
3/4 in.))
(1)
Drill a 2.5
mm
(1/8 in.)
diameter
hole.
® Floor
mat
or
chassis
G)
Hole-to-hole distance: 343
mm
(13-1/2 in.)
(GM-A6704)
I 313
mm
(12-3/8 in.) (GM-
A4704)
®
Hole-to-holed
istance:
195
mm
(7
-5/8 in.)
C!J
En
(Additional
information )
Specifications
GM-A6704
Power source
.............................
14.4 V
DC
(1
0.8 V to
15.1
V
allowable)
Grounding system
...................
Negative type
Current
consumption
............
31
A (at
continuous
power,
40)
Average
current
consumption
8.5
A
(4
0
for
four
chan nels)
14
A
(4
0
for
two
channels)
Fuse
................................................
25
Ax
2
Dimensions
(W x H x
D)
...
356
mm
x
60
mm
x
215mm
(14
in. x 2-3/8 in. x 8-1/2 in.)
Weight
..........................................
2.2
kg
(4.91bs)
(Leads
for
wiring not in-
cluded)
Maximum
power
output
.......
170
W x 4
(40)
I 250 W x 4
(2
0)
I 1000 W
TOTAL
(BRIDGE)
Continuous
power
output
...
60W
x 4 (at 14.4V,
40,
20Hz
to
20kHz~
1 %
TH
D
+N)
190
w x 2 (at 14.4
V,
4 o
BRIDGE 1
kHz,~
1%
THO
+N)
95
W x 4 (at 14.4
V,
20,
1kHz,~
1%
THD+N)
Load impedance
......................
40
(20
to
80
allowable)
Frequency response
...............
10Hz
to
70kHz
(
+0
dB,
-3dB)
Signal-to-noise ratio
...............
95
dB
(IHF-A network)
Distortion
.....................................
0.05%
(1
0
W,
1 kHz)
Low pass
fi
Iter:
(Ach)
Cut off frequency
...........
80
Hz
Cut off slope
.....................
-12
dB/oct
(Bch)
Cut off frequency
...........
80
Hz
Cut off slope
.....................
-12
dB/oct
High pass filter:
(Ach)
Cut off frequency
...........
40Hz
to 500Hz
Cut off slope
.....................
-12
dB/oct
(Bch)
Cut off frequency
...........
80
Hz
Cut off slope
.....................
-12
dB/oct
Bass boost:
Frequency
50
Hz
Level
0
dB/6
dB/12
dB
Gain control:
RCA
......................................
0.3
V to
6.5
V
Speaker
..............................
3.0
V to
26
V
Maximum
input
level I impedance:
RCA
......................................
6.5
VI
22
kO
Speaker
..............................
26
VI
16
kO