Symetrix 528E - Page 23

528E
21
SS
E
R
P
R
P
S
E
S
D
O
W
N
W
A
R
D
E
X
P
AN
D
E
R
E
Q
L
O
W
E
Q
MI
D
O
U
T
P
U
T
S
T
AG
E
W
I
T
H
S
Y
MM
E
T
R
Y
CO
RR
E
C
T
ION CI
R
C
U
I
T
O
U
T
P
U
T
T
H
U
M
P
M
U
T
E
CI
R
C
U
I
T
O
U
T
P
U
T
L
E
V
E
L
SE
L
E
C
T
ION
CI
R
C
U
I
T
BALANCED
UNBALANCED
P
O
W
E
R
S
U
PP
L
Y
E
Q
H
IG
H
COM
P
R
ESS
O
R
D
E
-
ESS
-15
d
B
P
A
D
P
R
E
AM
P
+48V/BYPASS IN/OUT
MIC GAIN
CLIP
FREQUENCY
EXP
THRES
GAIN
COMP
THRES
COMP
RATIO
OPTIONAL
POWER SWITCH
VOICE
SYMMETRY
IN/OUT
INTERNAL
OUTPUT LEVEL
SELECT SWITCH
OUTPUT LEVEL DISPLAY
EXP/COMP
IN/OUT
THRESHOLD
DE-ESS
IN/OUT
EXP/COMP
OUTPUT
EQ
OUTPUT
REV-F
EQ INPUT
OUTPUT STAGE INPUT
MIC
LINE
EQ
IN/OUT
FREQUENCY FREQUENCY FREQUENCY
BANDWIDTH BANDWIDTH BANDWIDTH
CUT/BOOST CUT/BOOST CUT/BOOST
EXPANDER/COMPRESSOR EXTERNAL SIDECHAIN (RING=SEND. TIP=RETURN)
EQ CLIP DETECTION
OUTPUT
OUTPUT
P
H
AN
T
OM
P
O
W
E
R
S
U
PP
L
Y
Figure 7-1. 528E Block Diagram