Rockford Fosgate 250.2 Stereo Amplifier User Manual


 
– 18 –
RCA inputs are connected to both
left and right
channels
Signal Input Switch selected to
Unbalanced
for RCA input
Left Phase Switch set to
0°
Right Phase Switch set to
180°
Inverting the right signal will allow the bridged woofer to operate correctly
Gain for left and right channels
set equally
to balance the subwoofer
Impedance for
bridged channel
should be
4 minimum
XCard is in
High-Pass
,
Low-Pass
or
Full Range
position
Bridged Operation
EZ-Bridged Operation
I
N
S
T
A
L
L
A
T
I
O
N
® ®
RCA input is connected to
L (Mono)
input
Signal Input Switch to
Unbalanced
for RCA input
Left Phase Switch at
0°
Right Phase Switch set to
E-Z Bridge
for the following to occur:
L (Mono) RCA input to drive both the left and right channels
Left Gain will control both the left and right channels
Right Phase will be inverted
180°
which will allow the bridged woofer to operate
correctly
Impedance for
bridged channel
should be
4 minimum
XCard is in the
High-Pass
,
Low-Pass
or
Full Range
position
Gain
R
Unbal.
Pass
Thru
Bal.
Input
L
0°-180
°
EZ-180°-0°
Bridged
Gain
Bal.
+–
4 min.
RCA Input
+
Speaker
Terminal
Speaker
Terminal
Speaker
+ L –
Speaker
– R +
RL (Mono)
R
Unbal.
Pass
Thru
R
Bal.
Input
L
0°-180
°
EZ-180°-0
°
Bridged
Gain
Bal.
Gain
+–
4 min.
Mono
Input
+
Speaker
Terminal
Speaker
Terminal
Speaker
+ L –
L (Mono)
Speaker
– R +