1
Features
specifications
1
1
All power supplies are quasi-regulated.
Protection circuits include short-circuit, thermal
reverse polarity.
@
All
muting circuits are optically isolated from the audio circuits.
a
High
speed
(35
nano-second) diodes are used for the
and
main
rectifiers.
r
bass response.
r
F3SFETs in all output stages.
into
4
Ohms
Bridge
into
Minimum
Impedance
Mono Power
4
Ohm!
Speaker
-
3U
WXL
2 Ohm Stereo / 4
Ohm
Mono Bridged
Increase noise immunity.
7
Crossovers: Low Pass
Fuse
Rating
.-----------
20A
50Hz
-
250H
-2.5~
30)
Installation
Wind
P
3
4
85
Y
S
"1
a
suit;~b.le
~s~e
mounting location.
Att3sch
Connect
cfras~is
(38"3
Comtxt the
using
Cmect
an$
Make sure
connectian to the
If
(each with
the
the
Connect
Insert fusets) at the battery fuse holder(s).
sun
the
tb
af
in
l@n@h.
16
gauge
m
run 8 gauge or larger high quality cable from
amplifier
mlrtltiple mplifiw$
fuse
balder
mplifier's location.
dl
Iocatiozn
is nacien[
amplifier to
power
tht:
ear.
Use
wire.
empty
1~cation.
there
is
"BATT"
it$ own
at
the
line inputs and outputs using high-quality
in
the ~ebicle to mount
air
the
mounting surface using
ground
Keep
8
terminal to the remote
fuse
no fuse
fuse
termbad
this
gourd
gauge
are
battery
wire
holder within
tin
this
comectim
being
at
the
battery)
to a distribution block
flow
m
fuse
uwd,
to
wire
larger.
the
mund-e
the
nearest
less
than
.
oupt
457
~un
(18")
hick.
on
either
or a
Then
the
amplifir.
run
9
0
tx
sep& cables
mp1ifier.
inten&,
wrews.
me
meter
of
thk head u&
of-the
this
fuse
m&
#
2
cable
at
~r
RCA
mm
the
barn
to tk
the
fmm
mar
cab%
1
Fuse
R
A
I
1
Recheck all connections before powering
I
Ih
Set
all
level controls
crossover controls switck, etc. to
position.
1
3
Once the system is powered up, set
head unit
the amplifiers' level controls to just below level of distortion for
maximum output level.
I
4
Further
obtain the desired results.
to
abut
fine
tuning of the various controls may
to
their bast sensitive pitions
the
the
3/4
volume 2 o'clock position, and then set
up.
desired
volume control on the
fbxpmcy
be
necessary to
and
set a11
or
all
+7.
--&J*
speakers.
Rifs
in
~~BcA~untothe
amplifier(s) - if hiss disappears, then
plug
in
the
component driving the
k6Mer
his;
fadtylncrisy
and
disappears,
component is
u&lw
&
its
&
untiltilthe
in~u6.
found.
-
-
If
Notes
High
aolse
squeal
from
speakers.
:iqq
u'
-
Distorted
--nd
\?
It is best to
level
best subjective
obtainable this way.
hqh
wxut
as
This
poorly-grounded
Checlc
to match
have
'-
eck for short
set:
as
a
signal
passible.
is almost
that the Level
the amplifier's
insensitive as poaible.
SIN
levef
always
RCA
the-
been
pfop
er lea&.
ratio is
By
to
from
the head
caused
interconnect.
cmtr~&s)
input
The
drfve
by
a
i~
as
noise
(alternator
whine)
puwrl
est qua1
r
Check that the speaker leads are not
shorted
to
the hicle chassis.
r
Check that the head unit is
correctly
yunded.
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