■
Cautions on Power Supply Wires
Use
the
specified wire size according
to
the
total
fuse capacity
of
the
amplifier
to
be installed and
the
wire
length.
For details on
the
wire size
to
be used, refer
to
the
supplied "Cautions on Power Supply Wires Connection"
and
the
following connection example.
Connection example when installing an amplifier alone
• When
the
wire length from
the
amplifier
to
the
vehicle's battery
is
5 m
Wire size used
for
(A): 4 AWG/21
mm
2
• External
Fuse
capacity: Make
it
equal
to
or
larger
than
the
fuse capacity
of
the
amplifier
R-A7SM: equal
to
or
larger
than
80
A
R-A60F: equal
to
or
larger
than
60
A
(A)
External Fuse 1
-IA_m_p-lifi-1e_r
___
:_._::~:~l--.~De~===============~~~~=-
:
=
□
Vehicle's chassis Vehicle's
battery
Connection example when installing
two
amplifiers with a fuse capacity
of
80
A
and one amplifier with
60
A
• When
the
wire
length
from each amplifier
to
the
distribution
block
is
1 m
Wire size used
for
(8): 4 AWG/21
mm
2
• When
the
wire
length
from
the
distribution block
to
the
vehicle's battery
is
4 m
Wire size used
for
(C): 1
/0
AWG/53
mm
2
• External
Fuse
capacity: Make
it
equal
to
or
larger
than
total fuse capacity
of
the
number
of
amplifiers
installed
80
A+
80
A+
60
A=
equal
to
or
larger
than
220
A
,
-(B
)
_.,
I
Amplifier
8(+)
(e.g. 80
A)
0H
Amplifier
8 (+)
(e.g.
80
A)
0H
Amplifier
8(+)
(e.g.
60
A)
0(-)
NOTE:
(C)
______
_.,
External Fuse
Distribution
block
Vehicle's chassis
I
·
-F7
-6_j
Vehicle's
battery
•
If
the
length
of
the
power
and ground cables exceed 1 m,
or
if
you connect more
than
one amplifier, a
distribution block should be used.
20
-EN
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