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Orion 425 HCCA - Page 18

Orion 425 HCCA
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DECK
-Q
CO
O
<
o
DC
ORION
600
EQM
EQUALIZER
or
ORION
500
PMQ
PARAMETRIC
EQUALIZER
<15
n
n:
O
Q
<
O
DC
"Phantom
Power
(+15V
&
-15V)
is
supplied
to
all
ORION
accessory
modules
by
the
amplifier
through
the
DIN
cable.
(When
ORION
amplifiers
are
not
used,
the
ORION
PPS
100
Phantom
Power
Sup¬
ply
is
required.)
ORION
30DBLP
LOW
PASS
FILTER
This
diagram
shows
a
typical
application
for
an
ORION
30
dBLP
Low
Pass
Filter
used
to
control
the
low
frequencies
applied
to
a
pair
of
subwoofers.
A
200
CRX
Active
Crossover
is
used
to
select
the
full
range
of
the
mid
and
high
range
fre-
HIGH/MID
AMPLIFIER
HIGH/MID
SPEAKERS
quencies,
and
to
select
the
full
range
of
lows
applied
to
the
unfiltered
lows
ampli¬
fier.
Overall
frequency
control
is
provided
by
an
ORION
600
EQM
Equalizer
ora
500
PMQ
Parametric
Equalizer.
The
RCA
and
DIN
connectors
at
the
INPUT
to
the
200
CRX
Active
Crossover
are
connected
in
parallel
so
that
the
RCA
connectors
can
be
used
to
connect
the
output
of
the
equalizer
directly
to
the
Low
Pass
Filter
so
that
the
crossover
module
has
no
effect
on
the
Low
Pass
Filter.
This
is
an
ideal
application
when
you
are
using
mismatched
subwoofers
or
are
experiencing
speaker
box
resonance
problems.
A
REMINDER:
The
speakers
must
never
be
grounded
to
car
chassis
or
body.
To
do
to
will
cause
severe
noise
problems.
Figure
12.
Typical
Use
of
an
ORION
30
dBLP
Low
Pass
Filter
to
Set
Upper
Limits
of
Low
Frequencies

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