Owner's Manual
Subwoofer
Wiring
(top
view)
Master
+
+
+
+
Slave
+
+
NOTE:
The
dual
(+)
and
(-)
sub-out
terminals
are
paralleled
internally
and
the
combined
load
impedance
should
be
taken
into
consideration
when
connecting
multiple
subwoofers.
EXTERNAL
SYNCED
BRIDGED
CONNECnONS~ETnNGS
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
amplifiers
slave
or
master
designation.
NOTE:
Amplifiers
in
this
combination
can
only
be
connect-
ed
in
matched
pairs.
Multiple
Matched
pairs
may
be
added
to
drive
separate
subwoofer
loads
in
a
given
system.
3.
Phase
Switch-
Set
the
phase
switches
of
all
synced
MASTER
amps
to
0°.
Set
the
phase
switches
of
all
synced
SLAVE
amps
to
180°.
The
master
and
slave
amps
must
beset
to
the
opposite
phase
mode
in
order
for
External
Synced
Bridged
operation
to
work.
4.
To
Achieve
Safe.
Optimal
Perfonnance-The
LPF,
Bass
EO,
and
Subsonic
Filter
controls
on
all
synced
amps
must
be
set
to
the
same
position.
12
P A 1 2 V
AMP
L I
FIE
R S
5.
Signal
Connection-Connect
an
RCA
cable
be-
tween
the
OUT
RCA
jacks
of
the
Master
amplifier
and
the
INPUT
RCA
jack
of
the
Slave
amplifier
as
shown
in
Figure
6.
6.
Subwoofer
Speaker
Connection-In
this
amplifier
combination,
the
Subwoofer
speaker
terminals
of
both
amplifiers
drive
common
subwoofer(s).
Use
the
follow-
ing
speaker
connection
diagram
when
connecting
the
subwoofers
to
the
amplifiers.
Connect
the
amplifiers
speaker
terminals
to
any
combination
of
one
or
more
subwoofers
that
results
in
a
nominal
impedance
be-
tween
2
and
4
Ohms.
DO
NOT
connect
loads
of.
less
than
2
Ohms
when
connecting
to
amplifiers
in
the
External
Synced
Bridged
combination.
WARNING:
Two
wires
of
lZAWG
minimum
must
be
connected
between
the
negative
sub
out
terminals
of
the
MASTER
and
SLAVE
amplifiers.
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
2oomV.