Rane MA 4 MA 4 Amplifier Data Sheet - Page 4

Block Diagram

Get Rane MA 4 PDF manuals and user guides View all Rane MA 4 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 4 highlights

MA 4 MULTICHANNEL AMPLIFIER Block Diagram INPUT CH1 INPUT CH2 INPUT CH3 INPUT CH4 IEC APPLIANCE INLET H G N 3 2 1 FUSE EMI FILTER INRUSH OVER VOLTAGE POWER-FACTORCORRECTION (100 kHz) SWITCH-MODE +25 POWER SUPPLY GND 2-SW FORWARD -25 (200 kHz) COMBINATION CONTROLLER SUPPLY CLOCK DSP ADC CH1 HIGH-PASS SENSITIVITY INPUT LIMIT REMOTE LEVEL EXPAND RMS COMPRESSOR 20-40-60-80 CH2 CH3 HIGH-PASS 20-40-60-80 SENSITIVITY INPUT LIMIT HIGH-PASS 20-40-60-80 SENSITIVITY INPUT LIMIT REMOTE LEVEL REMOTE LEVEL EXPAND RMS COMPRESSOR EXPAND RMS COMPRESSOR ADC HIGH-PASS SENSITIVITY INPUT LIMIT REMOTE LEVEL EXPAND RMS COMPRESSOR CH4 20-40-60-80 +22 +4 +22 +4 +22 +4 +22 +4 FAULT FLAG CH1 CH1 CH2 CH3 SENSITIVITY CH2 ACTIVE LOW CH3 CH4 CH4 +5A GND +5A GND +5A GND +5A GND Vc1 Vc2 Vc3 Vc4 REMOTE LEVEL MASTER/SLAVE GND CH1 CH2 CH3 CH4 HOST 1 Data Sheet-4 3 dB 6 dB 12 dB 24 dB LIMIT COMP EXP FAULT LOAD READY CH-1 3 dB 6 dB 12 dB 24 dB LIMIT COMP EXP FAULT LOAD READY CH-2 3 dB 6 dB 12 dB 24 dB LIMIT COMP EXP FAULT LOAD READY CH-3 3 dB 6 dB 12 dB 24 dB LIMIT COMP EXP FAULT LOAD READY CH-4

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
Data Sheet-4
MA 4
MULTICHANNEL AMPLIFIER
POWER-FACTOR-
CORRECTION
SWITCH-MODE
POWER SUPPLY
T
U
P
N
I
G
A
L
F
T
L
U
A
F
1
H
C
1
E
V
A
L
S
/
R
E
T
S
A
M
B
d
3
B
d
6
B
d
2
1
B
d
4
2
COMBINATION CONTROLLER
D
R
A
W
R
O
F
W
S
-
2
E
S
U
F
R
E
T
L
I
F
I
M
E
H
S
U
R
N
I
E
G
A
T
L
O
V
R
E
V
O
H
3
G
2
N
1
C
E
I
E
C
N
A
I
L
P
P
A
T
E
L
N
I
)
z
H
k
0
0
1
(
)
z
H
k
0
0
2
(
C
D
A
T
U
P
N
I
2
H
C
T
U
P
N
I
3
H
C
T
U
P
N
I
4
H
C
C
D
A
D
N
G
5
2
+
5
2
-
Y
T
I
V
I
T
I
S
N
E
S
S
S
A
P
-
H
G
I
H
0
8
-
0
6
-
0
4
-
0
2
R
O
S
S
E
R
P
M
O
C
D
N
A
P
X
E
T
I
M
I
L
P
M
O
C
T
L
U
A
F
D
A
O
L
Y
D
A
E
R
P
X
E
B
d
3
B
d
6
B
d
2
1
B
d
4
2
T
I
M
I
L
P
M
O
C
T
L
U
A
F
D
A
O
L
Y
D
A
E
R
P
X
E
B
d
3
B
d
6
B
d
2
1
B
d
4
2
T
I
M
I
L
P
M
O
C
T
L
U
A
F
D
A
O
L
Y
D
A
E
R
P
X
E
B
d
3
B
d
6
B
d
2
1
B
d
4
2
T
I
M
I
L
P
M
O
C
T
L
U
A
F
D
A
O
L
Y
D
A
E
R
P
X
E
4
-
H
C
3
-
H
C
2
-
H
C
1
-
H
C
P
S
D
T
S
O
H
D
N
G
Y
T
I
V
I
T
I
S
N
E
S
4
H
C
3
H
C
2
H
C
1
H
C
D
N
G
A
5
+
L
E
V
E
L
E
T
O
M
E
R
1
H
C
2
H
C
3
H
C
4
H
C
1
H
C
2
H
C
3
H
C
4
H
C
D
N
G
A
5
+
D
N
G
A
5
+
D
N
G
A
5
+
3
c
V
1
c
V
4
c
V
2
c
V
4
+
2
2
+
W
O
L
E
V
I
T
C
A
T
I
M
I
L
T
U
P
N
I
S
M
R
Y
T
I
V
I
T
I
S
N
E
S
S
S
A
P
-
H
G
I
H
0
8
-
0
6
-
0
4
-
0
2
R
O
S
S
E
R
P
M
O
C
D
N
A
P
X
E
T
I
M
I
L
T
U
P
N
I
S
M
R
Y
T
I
V
I
T
I
S
N
E
S
S
S
A
P
-
H
G
I
H
0
8
-
0
6
-
0
4
-
0
2
R
O
S
S
E
R
P
M
O
C
D
N
A
P
X
E
T
I
M
I
L
T
U
P
N
I
S
M
R
Y
T
I
V
I
T
I
S
N
E
S
S
S
A
P
-
H
G
I
H
0
8
-
0
6
-
0
4
-
0
2
R
O
S
S
E
R
P
M
O
C
D
N
A
P
X
E
T
I
M
I
L
T
U
P
N
I
S
M
R
2
H
C
1
H
C
3
H
C
4
H
C
4
+
4
+
2
2
+
4
+
2
2
+
2
2
+
K
C
O
L
C
Y
L
P
P
U
S
E
T
O
M
E
R
L
E
V
E
L
E
T
O
M
E
R
L
E
V
E
L
E
T
O
M
E
R
L
E
V
E
L
E
T
O
M
E
R
L
E
V
E
L
Block Diagram