Owner's Manual
PARALLEL
SYNCED
GAIN
CONNECnONS~ErnNGS
Refer
to
Figure
5for wiring details.
1.
Input
Signal-Connect
these
RCA
jacks
as
described
in
the
Front
Panel
Connection
section
of
this
guide.
2.
SLAVE/MASTER
Switch-
•
Set
the
SlAVE/MASTER
switch
on
the
master
amplifier
to
the
MASTER
position.
•
Set
the
SlAVE/MASTER
switch
on
the
slave
amplifier
to
the
SLAVE
position.
•
Setting
the
SlAVE/MASTER
switch
on
both
amplifiers
will
automatically
set
the
I/O
RCA
jack
configuration
according
to
each
amplifier's
slave
or
master
designation.
NOTE:
One
master
amplifier
can
control
up
to
three
SlAVE
amplifiers
in
this
combination.
Multiple
identical
MASTER/
SlAVE
combinati~ns
can
be
added
to
any
given
system.
3.
Phase
Switch-Set
the
phase
switches
of
all
synced
amps
to
the
same
position
(all
at
0°
or
all
at
180°).
ENGLISH
4.
To
Achieve
Safe,
Optimal
Performance-The
LPF,
Bass
EO,
and
Subsonic
Filter
controls
on
all
synced
amps
must
be
set
to
the
same
position.
5.
Signal
Connection-Connect
an
RCA
cable
between
the
OUT
RCA
jack
of
the
master
amplifier
and
the
SlAVE
IN
RCA
jack
of
the
slave
amplifier
as
shown
in
the
Figure
5.
6.
Subwoofer
Speaker
Connection-In
this
amplifier
combination,
each
amplifier
must
drive
its
own
separate
subwoofer(s).
Connect
the
speaker
terminals
of
each
amplifier
to
any
combination
of
one
or
more
subwoofers
that
results
in
nominal
impedance
between
1
and
4
ohms.
Make
sure
that
each
amplifier
sees
the
same
speaker
impedance.
WARNING:
The
amplifier's
gain
control
is
bypassed
com-
pletely
in
SlAVE
mode.
DO
NOT
move
the
MASTER/SlAVE
switch
to
SlAVE
position
when
the
amplifier
is
connected
and
playing.
DO
NOT
connect
any
signal
source
to
the
amplifier
in
SlAVE
mode
that
exceeds
200mV.
FIGURE
5-PARALLEL
SYNCED
GAIN
(PA600.1/PA1200.1)
MASTER
AMPLIFIER
INPUT
LINE
OUT
MASTER
SLAVE
III
PHASE
O·
180·
lid
R
L
INPUT
LINE
OUT
MASTER
SLAVE
l=Im
PHASE
O·
180·
IU
SLAVE
AMPLIFIER
WWW.POLKAUDIO.COM/AMPS
11