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Macrom 44.13 - Page 4

Macrom 44.13
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CONNECTIONS
CONNECTIONS:
1.
Battery
lead:
Connect
the
terminal
BATT
18
to
the
battery
cable
of
the
car
by
means
of
a
(yellow)
cable
of
adequate
section.
Do
not
connect
this
lead
to
circuits
existing
within
the
electric
system
of
the
car.
In
order
to
avoid
damage
to
the
car
it
is
imperative
that
this
lead
be
fitted
with
a
fuse
(not
provided)
as
near
as
possible
to
the
battery.
This
connection
is
the
to
be
carried
out
last.
2.
Remote
switch-on
lead:
Connect
the
remote
switch-on
lead
(REMOTE)
or
the
control
lead
of
the
power
antenna
coming
from
the
head
unit
(blue)
to
the
REMOTE
20
terminal
of
the
amplifier.
NOTE:
In
case
this
lead
is
not
connected,
the
amplifier
will
not
be
switched
on
when
the
head
unit
is
switched
on.
If
your
head
unit
is
not
fitted
with
an
outlet
for
a
power
antenna,
a
quick-break
lever
switch
(SPST)
shall
be
installed
between
the
power
source
(+12
V)
and
the
remote
switch-
on
lead
and
connected
to
the
REMOTE
20
terminal
so
as
to
provide
for
manual
switch-on
of
the
amplifier.
3.
Ground
lead:
Secure
the
ground
lead
(black)
to
a
clean
spot
on
the
car
chassis
and
to
the
GND
terminal
19
.
Make
sure
that
there
is
electric
continuity
between
this
spot
and
the
negative
terminal
of
the
battery.
The
ground
cable
should
be
as
short
as
possible;
in
case
more
than
one
amps
are
used,
connect
all
ground
connectors
to
one
spot.
4.
Fuse:
In
case
of
fuse
replacement
make
sure
to
replace
it
with
a
fuse
of
the
same
amperage.
The
use
of
fuses
with
the
wrong
amperage
may
seriously
damage
the
components
of
the
unit.
5.
Speaker
outlet
terminals:
Make
sure
to
keep
the
right
polarity
and
phase
on
connecting
the
speakers
(+
and
-).
NOTE:
Non
adequately
isolated
wires
should
never
come
into
contact
with
each
other,
with
metallic
parts
of
the
car
or
with
the
ground
lead.
6.
RCA
input
connectors:
Connect
the
Pre
output
leads
of
your
head
unit
to
the
RCA
input
connectors
by
means
of
RCA
extension
cables
(90.05-90.10-90.25-90.50
by
MACROM).
Make
sure
to
observe
the
right
channel
designation:
left
L
(white)
and
right
R
(red).
SETTINGS
AND
SELECTORS
ON/OFF
MODE
LOW
&
HIGH-PASS
SELECTOR
SWITCH
a)
"OFF/80/120
Hz
Low-Pass"
MODE:
Select
position
80
or
120
Hz
when
you
want
to
use
the
Low-Pass
filter
section;
thus,
only
the
low
frequencies
are
output
at
the
C-D
or
F
outputs.
OFF
BOH/
120Hz
HIC.H-PASS
Jri
OFF
BOH/
120Hz
IOW-PASS
|-OFF
Fttrt
Rmponse
20Hz
20kHz
b)
"OFF/80/120
Hz
High-Pass
"MODE:
Select
the
80/120
Hz
position
when
you
want
to
use
the
High-
Pass
filter
section;
thus,
only
the
medium-high
frequencies
are
output
at
the
A-B
or
E
outputs.
OFF
UOH/
120Hz
HIC.H-PASS
OFF
BOHz
120Hz
|-OFF
Ftal
Rwponw
60Hz
Hign
pass
cutung
120Hz
Hgft
pus
cutting
10
LOW-PASS
50Hz
20kHz
SETTINGS
AND
SELECTORS
INPUT
GAIN
ADJUSTMENT
CONTROL
In
the
mid
position
(click)
an
input
sensitivity
of
500
mV
is
selected
corresponding
to
the
preamplified
outputs
of
MACROM
products.
In
case
the
amplifier
is
to
be
connected
to
a
head
unit
that
is
not
of
MACROM
make
but
is
fitted
with
preamplified
RCA
outputs,
proceed
as
follows:
a)
adjust
the
volume
control
of
your
head
unit
to
3/4
of
maximum
output
level.
b)
turn
the
input
gain
control
by
means
of
a
screwdriver
and
adjust
the
input
gain
from
2
V
to
0.1
V
in
order
to
have
the
maximum
sound
level
with
no
distortion.
NOTE:
Both
adjustments
are
always
activated,
independently
from
the
number
of
inputs,
except
in
case
"c"
described
at
page
12.
O.SV
ni\
GAIN
CONTROL
O.IV
2
V
0.1V
GAIN
(OMROl
#
2
V
0.1V
GAIN
0.1V
2V
O.IV
GAIN
COM
KM
OUTPUT
MODE
SELECTOR
WITH
4
INPUT
CHANNELS
a)
"4CH
input”
"4CH
output"
MODE:
As
your
head
unit
is
equipped
with
four
pre-amplified
outputs
select
the
position
“4CH"
and
connect
the
outputs
to
the
amplifier
inputs
marked
with
the
letters
A
(left),
B
(right),
C
(left)
and
D
(right).
Thus,
the
amplifier
can
be
used
as
a
4-channel
stereo
system,
front
section
A
and
B
and
rear
section
C
and
D,
by
using
the
speaker
outputs
A,
B,
C
and
D.
You
can
then
activate
independently
the
different
sections
of
the
built-in
electronic
crossover
to
obtain
the
High-Pass
outputs
A
and
B
and/or
the
Low-Pass
outputs
C
and
D.
INPUT
INPUT
‘ifi*
laff
INPUT
HIGH-PASS
JR
JR
4CH
KH
2CM
OFF
lOHl
120Hz
OUTPUT
IOW
-PASS
LEFT
RIGHT
LEFT
RIGHT
b)
"4CH
input"
"3CH
output"
MODE:
This
configuration
uses
a
single
44.13
amplifier
as
a
multi-
amplifying
system.
There
are
3
output
channels,
2
stereo
channels
A
and
B.
and
a
third
channel
F
with
a
single
bridged
mono
signal;
they
can
then
be
balanced
by
means
of
the
fader
control
of
your
head
unit.
In
case
you
want
to
use
the
built-in
electronic
crossover,
it
is
possible
to
connect
medium-high
speaker
systems
to
the
A
and
B
outputs
by
placing
the
High-Pass
selector
in
the
80/120
Hz
position,
whereas
a
woofer
system
or
a
powerful
subwoofer
can
be
connected
to
the
output
F
by
placing
the
Low-Pass
selector
in
the
80/120
Hz
position.
INPUT
HIGH-PAW
^
JR
4CH
KH
2CH
Off
BOHz
I20H/
OUTPUT
I
OW-PASS
fe's
1
L
-fir
J
LEFT
RIGHT
MONO
11

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