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SPL Crossover - MID-HI Section; X-OVER On;Off; X-OVER | Hz; ROLL-OFF

SPL Crossover
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12
MID-HI Section
MID-HI Section
In the MID-HI section you control the frequency and the roll-off of the top speaker crossover.
X-OVER On/O
If you want to drive your top speakers full range, set the X-OVER On/Off switch () to off. The
MID-HI crossover is switched off and the input is passed to the MID-HI OUTPUTS() with-
out any processing.
X-OVER | Hz
Select the X-OVER frequency (, , , ,  or  Hz) with the MID-HI X-OVER
switch().
ROLL-OFF
The roll-over of the MID-HI section can be switched between  dB (Butterworth) and 
dB (Linkwith/Riley) per octave with the MID-HI ROLL-OFF switch ().
5
0
6
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7
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8
5
1
0
0
1
2
0
X
-
O
V
E
R
|
H
z
VOLTAiR
120V DC Audio Rail
ON
LOW CUT
StereoMono
2412
PHASE
LOW MID-HI
ROLL-OFF
| dB
Crossover
X-OVER
OUT
20HzOff
OnOff
VU
MID-HILOW
Input
Active Crossover
0
1
8
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8
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X
-
O
V
E
R
|
H
z
P
H
A
S
E
|
Ø
°
VU
120
6
Var
-180°
Var
Off
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VU
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100
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VU
L
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d
B
5
0
6
0
7
0
8
5
1
0
0
1
2
0
X
-
O
V
E
R
|
H
z
VOLTAiR
120V DC Audio Rail
ON
LOW CUT
StereoMono
2412
PHASE
LOW MID-HI
ROLL-OFF
| dB
Crossover
X-OVER
OUT
20HzOffOnOff
VU
MID-HILOW
Input
Active Crossover
0
1
8
0
5
0
6
0
7
0
8
5
1
0
0
1
2
0
X
-
O
V
E
R
|
H
z
P
H
A
S
E
|
Ø
°
VU
120
6
Var
-180°
Var
Off
-
1
0
-
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1
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20
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%
+
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50
70
100
10
7
5 3
1
0
3
5
VU
20
0
%
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
L
O
W
L
E
V
E
L
|
d
B
5
0
6
0
7
0
8
5
1
0
0
1
2
0
X
-
O
V
E
R
|
H
z
VOLTAiR
120V DC Audio Rail
ON
LOW CUT
StereoMono
2412
PHASE
LOW MID-HI
ROLL-OFF
| dB
Crossover
X-OVER
OUT
20HzOffOnOff
VU
MID-HILOW
Input
Active Crossover
0
1
8
0
5
0
6
0
7
0
8
5
1
0
0
1
2
0
X
-
O
V
E
R
|
H
z
P
H
A
S
E
|
Ø
°
VU
120
6
Var
-180°
Var
Off
-
1
0
-
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9
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5
1
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%
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
20
0
%
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
L
O
W
L
E
V
E
L
|
d
B
I
F
R

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