Allen & Heath 9 ZED-4 B US User Gui de
P A N EL DRA WIN GS—ZED428
MIC
INSERT
LINE
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
1
DIR OUT
48V
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
2
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
3
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
4
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
5
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
6
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
7
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
8
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
9
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
10
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
11
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
12
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
13
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
14
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
15
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
16
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
EQ IN
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
SIG
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
MIC
INSERT
LINE
DIR OUT
48V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 5 16
25-26
-15 +1 5
HF
12k
-15
HM
+15
2k5
-15
LM
+15
250Hz
-15
LF
+15
80Hz
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
HF
12k
EQ IN
10
-30
-20
-5
0
5
-10
ST1
LEV
O O
10
-30
-20
-5
0
5
-10
O O
To LR
To CH
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
PRE
POST
O O
O O
O O
O O
+6
AUX5
POST
+6
AUX6
POST
O O
O O
ODD
BAL
L
EVEN
R
=
MUTE
PFL
PK !
SIG
10
O O
30
20
ST1
IN
R
ST2
L/M
R
10
-30
-20
-5
0
5
-10
ST3
LEV
O O
To LR
To CH
PFL PFL P FL PFL P FL PFL P FL PFL P FL PFL P FL PFL PFL P FL
ST3
L
R
ST4
L/M
R
STEREO INPUTS
ST2
LEV
IN
IN IN
-15 +15
HF
12k
-15
HM
+15
2k5
-15
LM
+15
250Hz
-15
LF
+15
80Hz
EQ IN
10
-30
-20
-5
0
5
-10
O O
ST4
LEV
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
PRE
POST
O O
O O
O O
O O
+6
AUX5
POST
+6
AUX6
POST
O O
O O
ODD
BAL
L
EVEN
R
=
MUTE
PFL
PK !
SIG
0
10
O O
30
20
27-28
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
17
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
O O
R
OO
L
OO
+6
+6
+6
2
3
GRP
4
OO
GRP
OO
1
GRP
O O
GRP
+6
+6
+6
1
O O
M
+6
MIC
INSERT
LINE
DIR OUT
48V
17
17
17
17
O O
R
OO
L
OO
+6
+6
+6
2
3
GRP
4
OO
GRP
OO
1
GRP
O O
GRP
+6
+6
+6
O O
M
+6
OO
LEVEL
+6
AFL
OO
LEVEL
+6
AFL
AUX
1
AUX
2
AUX
3
AUX
4
AUX
5
AUX
6
GRP
1
GRP
2
GRP
3
GRP
4
INSERT
1
INSERT
2
INSERT
3
INSERT
4
USB
SEND RETURN
AUX OUT
GROUP OUT
MTX
1
MTX
2
MATRIX
OUT
L
L
R
L
R
2TRK IN
2TRK OUT
INSERT
L
INSERT
R
INSERT
M
L
R
MAIN OUT
M
PHONES
MIN MAX
TB MIC
MIN MAX
M
LR
L
+16
-6
-9
-20
-30
-16
-12
-3
0
+3
+6
+9
R
+16
-6
-9
-20
-30
-16
-12
-3
0
+3
+6
+9
PFL/AFL ACTIVE
Talk to LRM
Talk to AUX 1-4
POWER
MTX
1-2
AUX
1-2
AUX
5-6
LR
pre-fade
All up =LR post
OO
+6
PLAYBACK
To LR
ALLEN&HEATH
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
O O
30
5
10
20
5
0
10
L-R
M
PAN
L R
=
PAN
L R
=
PAN
L R
=
PAN
L R
=
PK!
+6
0
SIG
PK!
+6
0
SIG
PK!
+6
0
SIG
PK!
+6
0
SIG
PK!
+6
0
SIG
PK!
+6
0
SIG
PK!
+6
0
SIG
MUTE
AFL
MUTE
AFL
MUTE
AFL
MUTE
AFL
MUTE MUTE M U TE
AUX1
AFL
AUX2
AFL
AUX3
AFL
AUX4
AFL
AUX5
AFL
AUX6
AFL
GRP
L R M
L-R
M
L-R
M
L-R
M
0 0
1 2 3 4
USB
2TRK
PLAYBACK SOURCE
LEVEL
PLAYBACK
LEVEL
TB
LEVEL
PHONES
PFL
USB SEND SOURCE
ST3 INPUT SOURCE
USB
ST3 IN
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
18
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
18
18
18
18
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
19
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
19
19
19
19
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
20
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
20
20
20
20
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
21
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
21
21
21
21
-6 -10 63 2 6
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
22
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
22
22
22
22
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
23
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
23
23
23
23
-6 -10 63 26
GAIN
MIC
0
LINE
10
0
10
20
30
40
50
24
+6
AUX1
PRE
+6
AUX2
PRE
+6
AUX3
+6
AUX4
+6
AUX5
POST
+6
AUX6
POST
PRE
POST
O O
O O
O O
O O
O O
O O
HPF
100Hz
-15
LF
-15
+15
+15
180
45
LM
35Hz
70
-15
400
1k
250
+15
3k
HM
700
500Hz
-15
1k
6k
15k
4k
+15
HF
EQ IN
12k
80Hz
ODD
PAN
L
EVEN
R
=
MUTE
PK !
PFL
SIG
M
L-R
1-2
3-4
0
10
O O
30
20
MIC
INSERT
LINE
DIR OUT
48V
24
24
24
24
IN I N IN IN IN IN IN IN IN I N IN IN IN I N IN IN IN IN IN IN I N I N IN IN
L R M
MATRIX
2
MATRIX
1
GRP
2
GRP
3
GRP
4
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
0
M
L-R
1-2
3-4
M
L-R
1-2
3-4
M
L-R
1-2
3-4
O O +10
0
O O + 10
0
O O + 10
0
O O +10
0
O O +10
0
O O +10
0
AC MAINS IN ~
100 - 240V~ 47-63Hz 60W MAX
REFER SERVIC ING TO QUALIFIED SERVICE PER SONNEL.
REPLACE FUSE WITH SAME TYPE AND R ATING. CAUTION: FOR C ONTINUED PROTECTION AGAINST RISK OF F IRE
ATTENTION: RE MPLACER PAR UN FUSIBL E STRICTEMENT IDENTIQUE EN V ALE URS.
DO NOT OPEN
CAUTION
RISK OF ELEC TRIC SHOCK
AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OU VRIR.
WARNING: TO RE DUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE T HIS APPARATUS TO RAIN OR MOIST URE.
ALLEN&HEATH
OFF
0 I
ON
WARNING: T HIS APPARATUS MUST BE EAR THED
Serial No.
ENGINEERE D IN ENGLAND BY ALLEN & HEATH L IMITED.
(2) this device must accept any interference received,
This device c omplies with Part 15 of the FCC Rules.
(1) this device may not cause harmful interference, and
Operation is subject to the foll owing two conditio n s:
including inte rference that m ay cause un desired opera tion.
T1.6A L 250V 20mm
FUSE
PFL