Rockford Fosgate 250 Stereo Amplifier User Manual


 
– 14 –
Crossover Operation
Punch Bass Operation
Carefully increase potentiometer to add Punch to your bass frequencies
Exercise caution when increasing Punch Bass. Maximum boost can cause
potential woofer damage caused by overexcursion
Speaker
+ L –
Speaker
+ R –
65
80
55
50
110
210
Hz
145
190
L+
L–
R+
R–
L+
L–
R+
R–
HP–Full–LP
Crossover
High
Level
Input
Right
Gain
Right
Input
Left
Input
Left
Gain
Crossover
Frequency
Punch
Bass
33Hz 45Hz
67.5Hz
+18
+12
+6
+3
0dB
33Hz 45Hz
67.5Hz
Minimum
Flat
Maximum
Boost
Ap
+3
+2
+1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
50 100 200 500 1k 2k
Ap
+3
+2
+1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
50 80 210 500 1k 2k
55 65 110145
Frequency in Hz
65
80
55
50
110
210
Hz
145
190
Low-Pass (LP)
Operation
Crossover Frequency
Crossover
Speaker
+ L –
Speaker
+ R –
65
80
55
50
110
210
Hz
145
190
L+
L–
R+
R–
L+
L–
R+
R–
HP–Full–LP
Crossover
High
Level
Input
Right
Gain
Right
Input
Left
Input
Left
Gain
Crossover
Frequency
Punch
Bass
HP – Full – LP
Frequency in Hz
65
80
55
50
110
210
Hz
145
190
High-Pass (HP)
Operation
Crossover Frequency
Crossover
HP – Full – LP
1212
1
2
I
N
S
T
A
L
L
A
T
I
O
N
® ®