Rockford Fosgate 250.2 - Manual (Page 32)

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Stereo/Mono Operation
I
N
S
T
A
L
L
A
T
I
O
N
® ®
250.
1
#2
250.
1
#1
– +
RCA
Input
+ –
LR
+–
R Pass Thru
L Pass Thru
Power
Gain
X-Over
24dB/12dB/0dB
L + R / L
(Mono)
RCA
Inputs
0
° -180
°
Speaker – +
L (Mono)
R
2
Ω
minimum
high frequency
4
Ω
minimum
low frequency
+ Speaker Terminal
– Speaker Terminal
R Pass Thru
L Pass Thru
Power
Gain
X-Over
24dB/12dB/0dB
L + R / L
(Mono)
RCA
Inputs
0
° -180
°
Speaker – +
L (Mono)
R
2
Ω
minimum
high frequency
•
Signal Input Switch (250.
1
#1/#2)
set to
L(Mono)
for single RCA input
•
Phase Switch (250.
1
#1)
set to
0
°
•
Phase Switch (250.
1
#2)
set to
180
°
•
All speaker polarity on right amplifier is inverted to correct for signal phase
•
Gain (250.
1
#1/#2)
set
equally
to balance the subwoofer
•
Impedance
for
each stereo channel
should be
2
Ω
minimum
•
Impedance
for
bridged channel
should be
4
Ω
minimum
•
XCard (250.
1
#1/#2)
set to
Full Range
•
Passive Crossovers
are needed for proper stereo/mono operation