Owner's Manual
SET
UP ADJUSTMENTS
Your
STA
enclosure
uses
several
controls
to
prov
i
de
sonic
integration
with
virtually
any
vehicles
unique
acoust
ic
properties.
Please
read
the
following
section
carefully
to
familiarize
yourself
with
the
function
of
each
control.
The
following
adjustment
sequence
is
recommended
to
properly
tune
your
STA
enclosure
.
By
first
adjusting
the
GAIN
,
the
LPF
,
then
the
PHASE
switch
,
followed
by
the
BASS
EQ
(in
this
order
)
will
give
you
the
best
results.
GAIN
ffi
MIN MAX
Fig
.6
GAIN
Control
Input
GAIN
Control
This
control
allows
you
to
match
the
input
level
of
the
amplifier
to
the
output
level
of
your
head
unit
(Fig
6)
.
Matching
the
input
can
be
accomplished
in
four
simple
steps:
1.
Make
sure
the
remote
gain
control
is
not
plugged
in
until
after
the
master
gain
control
is
set.
2.
Set
the
GAIN
control
on
the
amplifier
to
MIN
(completely
counter
clock
wise).
3.
Turn
on
the
head
unit
and
adjust
the
vo
l
ume
to
2/3
maximum
,
and
se
t
the
BASS
and
TREBLE
on
the
radio
(source
)
to
zero
or
flat.
4.
Turn
the
GAIN
control
clockwise
until
the
sound
just
begins
to
distort,
then
back
off
slightly
to
cut
distortion
and
operate
at
optimum
gain.
Remembe
r,
the
GAIN
control
is
not
a
volume
control.
Ignoring
these
four
steps
above
may
leave
you
with
a
damaged
woofer
and
/
or
damaged
amplifier
.
LPF
ffi
40Hz
20GHz
Fig.7
Low
Pass
Control
(LPF)
LPF
(Low
Pass
Filter)
Crossover
Adjustment
Since
musical
tastes
vary,
adjust
the
crossover
by
ear
while
listening
to
the
music
of
your
choice
.
Turn
the
crossover
LPF
adjustment
al
l
the
way
down
to
40Hz
.
Then
slowly
turn
the
knob
up
until
desired
sound
is
achieved
.
Normal
listening
level
should
be
right
around
1
00Hz
to
150Hz
.
Use
common
sense
when
adj
u
sting
the
crossover.
When
properly
adjusted
,
the
bass
from
the
STA
enclosure
shou
ld
blend
in
wi
th
the
rest
of
your
speakers
and
not
overpower
the
music
.
Be
sure
to
set
the
tone
controls
of
yo
ur
rad
io
(source
unit)
to
flat
while
dialing
in
the
crossover.
(Fig
7)
13