Rockford Fosgate 250 - Manual (Page 19)

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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 65 110 145
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
1 2 1 2
1 2
I
N
S
T
A
L
L
A
T
I
O
N
® ®