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6
15
4
CHANNEL
AMPLIFIER
-
FEATURES
PLA42781PLA4478
l
~
i
9h
Pass
variable
High
Pass
Filter
from
~~
NE
INPUT
ccepls
line
level (
RCA
) inputs
from
0.2
to
6.0
Volts
15Hz
to
250Hz
variable
Low
Pass
Filler
from
I:LOW
Pa
ss
INPUT
lEVEL
ls
i
I
~djusts
line
level
C
RCA
)
Inputs
from
0.2
to
6.
0
Volts
60Hz
10
200Hz
r-
~(@(~
,=.
c
=
~
~
--
--
-
"®~-
-
--
--
~
0
~
000
0
000
@
I
--
----.
!@i@
.
..
------
~
py~
v'
-
I
~
I'D"'
.,
L
CROSSO
V
ER
SWITCH
~t
SSEQ
sl
djus!
the
Bass
Boost
from
DdB
to
18dS
Routes
output
of
the
low
pass
(
LOW
) .
or
the
outpu
t
of
the
high
pass
(
HIGH
)
filter.
or
FULL
[
INPUT
MODE
Allow
~ou
to
select
the
2CH
or
4CH
mode
I
to
the
i
ntern
al
power
amplifier
FUSE
Protects
bo
th this amplifier
and
the
automobile electrical
system
from
short cireui! conditions
I
POWER
SUPPLY
TERMINALS
I I
SPEAKER
OUTPUT
TER
M
INALS
I
POWER
ON
LED
lights
up
when
the
amplifier
is
energized indicating t
he
unit
is
on
PROTECTION
LED
Lights indicating t
he
amplifier
has
gone
in
to a protect
ion
mode
MONO
CHANNEL
AMPLIFIER
-
APPLICATIONS
PLA1800
Car
ste
r
eo
system
@
Ri
hI
Lett
_
...
,_
......
_
..
-..
_
....
. -
I- a Ohm,
Sp
u k. ,
==
....
""'"0Ul0'\IT
I~ I~I~
I~
• 0
2- ' Ohm. Sp
..
klf
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