OPERATION
All models except the DX250.
1
signal
in
AUTO
TURN
ON
+12VDCAUD/O
OFFSET
INPUT BASS
INPUT
Q.Q
..
Q.G
"'-
00
L R
OUTPUT
signal
out
REMOTE
SUBSONIC LO-PASS BASS
X-OVER X-OVER
[:]
.()
-()
10
30
50
200
Automatic Turn-On
Selection:
The
OX
series offers three different automatic turn-on modes that can be
selected
on the end
panel;
+
12V,
DC Offset, and Audio. Using either the DC Offset or Audio mode causes the
REM
terminal
to have + 1
2V
out for turning on
additional amplifiers.
•
Remote Turn-On: Set
the switch to + 12V to use the remote turn-on
lead
from your source unit.
Run
18
gauge wire from the Remote Turn-On Lead on your source unit to the
terminal labeled
REM
between the
amplifier's
positive and negative power
terminals.
This
is
the preferred automatic turn-on method.
•
DC Offset Turn-On:
If
Remote Turn-On
is
not
an
option, the next best setting
is
DC Offset. The DC Offset
mode detects a
6V
DC offset from the
HI-Level speaker outputs when the source unit has been turned on.
• Signal
Sense Turn-On: The Audio setting
is
the
final
alternative
for Automatic turn-on. This
is
a
Signal Sense
turn-on method that detects the incoming audio signal
from your source unit and automatically turns on the
amp. This turn-on method
will
not work
properly
if
the input gain
control
is
not set appropriately.
Input Level:
The RCA inputs on
KICKER
OX
amplifiers
are
capable
of receiving either
Hi
or
Low-level signals
from your source unit.
If
the
only
output
available
from your source unit
is
a
Hi-Level signal , simply
press
in
the
Input Level
switch on the
amplifier.
Refer to the wiring section of this
manual
for
additional
instructions.
Crossover Control:
The variable
crossover on the side of the
amplifier allows
you to adjust the
lo-pass
crossover frequency from
50-200Hz,
and the hi-pass crossover from
10-30Hz (OX250.1
is
fixed at
80Hz
and
25Hz). The settings for these
controls
are subjective; 80Hz
is
a good place
to start for the lo-pass
crossover,
20Hz
for the
hi-
pass.
Input
Gain Control:
The input gain
control
is
not a
volume control.
It
matches the output of the source unit to
the input
level
of the
amplifier.
Turn
the source unit up to about
3/4
volume
(if
the source unit goes to
30,
turn
it
to 25). Nex
t,
slowly
turn
(clockwise)
the gain on the
amplifier
up
until
you can hear
audible
distortion, then turn
it
down a
little.
Bass Boost Control:
The variable
bass boost control
on the side of the
amplifier
is
designed to give you
increased output,
0-12dB,
at
40Hz
(For
the
OX250.
1,
use the Bass Boost switch to toggle
between
0
or +9dB).
The setting for this
control
is
subjective.
If
you turn
it
up, you must readjust the input gain
control to avoid
clipping
the
amplifier.
Remote Bass-ZXRC
(Not
included
with the DX250.1
):
With the ZXRC
remote bass
level control,
you have the
ability
to control
the output
level
of the
amplifier remotely.
To
mount the
ZXRC
remote bass
level control, simply
screw the
metal
bracket to the chosen
location, then
slide
the housing onto the bracket
until
it
snaps into
place.
Run
the
cable
from the controller to the "Remote
Bass"
jack on the
amplifier
chassis.
See
page
5.
4
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