Allen&Heath ZED-18 - Manual (Page 13)

Allen & Heath 13 ZED-14, 18 & 24 User Guide
BLOCK DIAGRAM
+ -
GAIN
HM
HF
3 BA
ND
E
Q
U
A
LISE
R
M
O
N
O
CHANNEL
ZED 14, 18 & 24 BLO
C
K D
IA
GR
AM
10
0H
z
MI
C
IN
PP
FA
D
E
R
PFL
PE
A
K
ST
ER
EO
CHA
NNE
L
AU
X1 AU
X 2 AU
X 3 AU
X 4
LF
ST
1/2/3/
4
R L
R L
GA
IN
S
TERE
O
RE
TU
RN
+
+ -
LIN
E
IN
+
48V
INS
E
R
T
MU
TE
PA
N
GA
IN
LR
SUM
HF
2 B
A
N
D
E
Q
U
A
LIS
E
R
LF
FA
DE
R
PFL
PEA
K
AU
X 1 AU
X 2 AU
X 3 AU
X 4
MU
TE
BA
L
SU
M
+
SU
M
L I
N
S
E
R
T
R I
N
S
E
R
T
FADE
R
S
L R
MO
N
O
O
U
T
MA
IN
LR
HPF
PFL
AUX 4
AUX 3
AUX 2
AUX 1
R
L
CHA
N
MA
IN
O
U
T
+
SUM
GL
OB
AL
4
8V
S
WI
TC
H
WI
RE
P
A
D
2T
R
K
R
TN
ON
STE
R
EO
R L
GA
IN
LR
CHA
N
ON
ST
ER
E
O
C
H
A
N
NE
L 1
STE
R
E
O
C
H
AN
NEL
2
RE
C
OU
T R L
GA
IN
LR
CHA
N
ON
S
TEREO
C
H
A
NN
E
L
3
US
B RETURN FROM
C
O
MPU
TE
R
RECO
RD
OU
T
AL
T O
UT
R L
S
TEREO
C
H
A
NN
E
L
4
AU
X1
MA
S
TE
R
L
E
V
E
L
AUX1
O
U
T
AU
X2
MA
S
TE
R
L
E
V
E
L
AUX2
O
U
T
AUX3
O
U
T
AUX4
O
U
T
ALT LE
V
E
L
2 TR
K RTN TO
MONITOR
S
E
LE
CT
ION
2T
R
K
R
TN
AU
X 1
-2
AUX
3
-4
L-R P
R
E
US
B 1
ST
ER
EO
I/
O
AUX
1
AUX
2
2 T
R
K
R
TN
US
B RT
N
US
B
RETUR
N
US
B RET
U
RN
US
B
D
E
VI
CE
PF
L A
C
TIV
E
PFL A
CTIVE
METE
RS
MI
X P
O
S
T
MO
N
IT
O
R
PHO
N
E
S
LEV
E
L
HE
A
D
P
H
O
N
E
S
PFL/
AFL
TO
ALT
OU
T
+
SU
M
RE
CE
SS
E
D
SW
IT
C
H
E S
0d
B u NO
MI
NAL
P
R IO
R
IT
Y S
W
ITC
H
IN
G
P
R IO
R
IT
Y S
W
IT
CH
IN
G
RECORD
OU
T
SOLD
E
R LI
N
K