Owner's Manual
FIGURE
4-SPEAKER
WIRING
DIAGRAMS
Single
Subwoofer
Connection
(top
view)
Two
Subwoofer
Connection
(top
view)
+
+
+
+
NOTE:
The
dual
(+)
and
(-J
sub-out
terminals
of
the
PA400.1.
PA600.1
and
PA
1200.1
are
paralleled
internally.
and
the
combined
load
impedance
should
be
taken
into
consideration
when
connecting
multiple
subwoofers.
COMBINING
AMPUAERS
The
Polk
600.1
and
1200.1
subwoofer
amplifiers
have
the
capability
of
connecting
two
or
more
amplifiers
of
the
same
power
rating
together
in
a
master/slave
combination
for
increased
power
with
accurate
level
matching.
They
are
the
Parallel
Synced
Gain
and
External
Synced
Bridged
combinations.
WARNING:
DO
NOT
attempt
to
combine
amplifiers
of
different
power
ratings.
These
amplifier
combinations
work
correctly
only
if
the
MASTER
and
SlAVE
amplifiers
are
identical
models.
PARALLEL
SYNCED
GAIN
In
this
MASTER/SlAVE
combination
the
master
amplifier
pre-amp
controls
remain
active
and
the
slave
amplifier
pre-amp
is
bypassed.
This
allows
the
master
amplifier
to
control
gain,
filter.
and
sub-level
on
both
amplifiers.
This
combination
allows
the
amplifiers
to
drive
their
own
separate
subwooferts)
while
being
synced
together
via
an
in-phase
audio
pre-amp
signal
from
the
master
amplifier.
Wiring
connections
to
the
amplifier
subwoofer
outputs
in
this
combination
should
be
standard
in-phase
configura-
tions.
creating
a
parallel
speaker
connection.
(Refer
to
Parallel
Synced
Gain
section
of
this
guide
for
amplifier
and
speaker
connection
diagrams.)
NOTE:
One
master
amplifier
can
control
up
to
three
slave
amplifiers
in
this
combination.
Multiple
identical
MASTER/
SlAVE
combinations
can
be
added
to
any
given
system.
10 P A 1 2 V
AMP
L I
FIE
R S
EXTERNAL
SYNCED
BRIDGED
In
this
MASTER/SlAVE
combination
the
master
amplifier
pre-amp
controls
remain
active
and
the
slave
amplifier
pre-amp
is
bypassed.
This
allows
the
master
amplifier
to
control
gain.
filter,
and
sub-level
on
both
amplifiers.
This
combination
allows
the
amplifiers
to
drive
common
sub-
woofer
loads
while
being
synced
together
via
an
out-of-
phase
audio
pre-amp
signal
from
the
master
amplifier.
In
this
subwoofer
wiring
configuration
the
master
ampli-
fier
sends
the
positive
signal
to
the
subwoofer
while
the
slave
amplifier
sends
the
negative
signal.
making
an
externally
bridged
speaker
connection.
(Refer
to
External
Synced
Bridged
section
of
this
guide
for
amplifier
and
speaker
connection
diagrams.)
NOTE:
Amplifiers
in
this
combination
can
only
be
connected
in
matched
pairs.
Multiple
matched
pairs
may
be
added
to
drive
separate
subwoofer
loads
in
a
given
system.
COMBINED
AMPLIFIERS
GAIN
AND
ALTER
SETTINGS
NOTE:
You
MUST
set
the
Subsonic,
EO,
and
other
filter
settings
on
the
masteramplifier
to
the
same
positions
to
achieve
safe,
optimal
results.
Adjustment
guidelines
are
discussed
in
the
Crossover
and
Gain
Adjustment
section
of
this
guide.