Rockford Fosgate 250.2 Stereo Amplifier User Manual


 
– 17 –
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°
for stereo/mono operation
All speaker polarity on right channel is inverted to correct for signal phase
Gain for left and right channels set
equally
to balance the subwoofer
Impedance for
each channel
should be
2 minimum
Impedance for
bridged channel
should be
4 minimum
XCard is in
Full Range
position
Passive crossovers are needed for proper stereo/mono operation
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
0°
Gain for left and right channels
operate independently
Impedance for
each channel
should be
2 minimum
XCard can be
High-Pass,
Low-Pass
or
Full Range
position
Stereo/Mono Operation
Stereo Operation
I
N
S
T
A
L
L
A
T
I
O
N
® ®
R
Unbal.
Pass
Thru
Bal.
Input
L
0°-180
°
EZ-180°-0°
Bridged
Gain
Bal.
Gain
+
RCA
Input
+
4 min.
+–
+
Speaker
Terminal
Speaker
Terminal
Speaker
+ L –
Speaker
– R +
L (Mono) R
2 min. 2 min.
R
Unbal.
Pass
Thru
Bal.
Input
L
0°-180
°
EZ-180°-0°
Bridged
Gain
Bal.
Gain
+
RCA
Input
+
Speaker
+ L –
L (Mono)
Speaker
– R +
R
2 Min. 2 Min.