Page 1
Page 2
H:\DA216A\102493-1.SCH 25-Mar-1999
NOTE: All Push Button switches shown
in the "out" (normal) position.
All slide switches (output select)
shown in the LEFT position.
Jumper Options
102493-2.SCH
Outputs
102493-3.SCH
PAD
(LINE)
IN
OUT
(MIC)
0dB
OUT
60dB
+60dB
IN
40dB
+40dB
-20dB
OUT
40dB
+20dB
INPUT PAD GAIN NET GAIN
IN
20dB
0dB
MIC/LINE
2P2T
40/0
GAIN
Z21B
7
60/20
2P2T
5
GND
ACTION:
RB
CHECKED BY:DRAWN BY:
RB
10802 47th Avenue West
Mukilteo WA 98275-5098
SHEET:
1 3
DA216a DISTRIBUTION AMP
of
GND
6
4580
102493
B
SHEET 2
INPUT
S3A
4P2T
100
S21A
1
2
3
4
5
6
S21B
GND
R56
16.5k
R54
35.7K
GND
-15
INPUT
B
150pF
C12
LINE
MIC
100/50V
R144
1N4733
LINE
1.00K
GND
LEVEL
B
1 3
R116A
10KA
10.0K
20.0K
-
3
1
2
3
5.11K
+
C6
GND
R42
5.11K
D8
D7
S3D
4P2T
101112
R146
R6
100
R2
10.0
2
RG2
5
MASTER
22/25V
2
22/25V
R48
10.0K
6
Z3B
4580
R60
R59
+
4
C21.C22
.
5.11K
R120
5.11K
1N4733
D6
1N4733
220pF
C14
MIC
470/25V
C97
+
1
8
RG1
SSM2017
Z2
4
6
C10
C8
GND
5
7
6
Z4B
4580
7
10.0K
CLIP-3dB
OL
J2B
150pF
R119
100/50V
+
R41
100
D5
3
7
R95
10.0K
+
C30
1/50V
100K
5
R98
RED
C11
LINE
4
5
6
MIC
C5
R143
GNDGND
1N4148
R50
D14
S3B
4P2T
634
-15
0.1
0.1
D11
1N4148
10.0K
+15
GND
470/25V
+
R45
634
R46
POWER
C94
C96
D12
R96
-15
C32
R5
100
GND
R121
10.0K
D15
RED
PHANTOM
+15 -15
R150
10.0K
3
2
Z21A
4580
1
A+B
SHEET 2
470/25V
R4
100
3
2
1
6
5
4
MIC/LINE
GAIN
60/2040/0
R149
10.0K
+15
84
4P2T
C31
+
R44
634
S6A
2P2T
PHANTOM
PWR
S6B
2P2T
+15
S4A
2P2T
1
2
3
4
5
6
S4B
2P2T
GND
GND
16.5k
35.7K
A
SHEET 2
S2A
634
100
LINE
A
R55
R53
A
150pF
MIC
R43
GND
10KA
INPUT
C2
LINE
1
2
3
100/50V
GND
R40
5.11K
R52
1N4733
S2D
4P2T
101112
R145
1.00K
R3
100
R1
10.0
MASTER
LEVEL
1 3
R115A
10.0K
-15
4580
GND
-15
-
1
5.11K
+
C4
D4
D3
220pF
MIC
2
RG2
5
22/25V
2
22/25V
R47
2
Z3A
C19.C20
5.11K
R118
D2
1N4733
1N4733
C13
470/25V
+
8
RG1
SSM2017
Z1
6
C9
C7
3
84
1
10.0K
R58
10.0K
R57
20.0K
GND
+
J2A
2
.
R117
100/50V
R39
5.11K
100
D1
C98
3
1
7
4
GND
+15
R94
-15
0.1
150pF
C1
LINE
4
4P2T
5
6
MIC
+
C3
R51
GNDGND
R93
10.0K
+
C29
1/50V
R49
100K
D10
1N4148
2
Z4A
C18
10.0K
CLIP-3dB
PAD
S2B
0.1
0.1
1N4148
D9
3
84
4580
1
GND
R97
RED
OL
0dB/20dB
INPUT
C93
-15+15
C95
+15
C17
0.1
+15
D13
Page 3
H:\DA216A\102493-2.SCH 25-Mar-1999
1N4004
LM317
10B
I O
D18
5 6
ADJ
243
R123
AC
6
NC
1000/35V
+
C36
GND
4
10/50V
C37
R125
2.67K
+
CTCTAC
1000/35V
10/50V
C38
R124
2.67K
C39
+15
-15
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
C40
C41
C42
C43
C44
C45
C46
C47
+15
A+B
B
A
C48
0.1
J1
12345
-15
1N4004
D19
+
C35
3 2
LM317
10A
ADJ
I O
1
+
R122
243
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
C49
C50
C51
C52
C53
C54
C55
C56
ACTION:
RB
CHECKED BY:DRAWN BY:
RB
10802 47th Avenue West
Mukilteo WA 98275-5098
-15
10/50V
C100
+
10.0K
R142
POWER
YEL
D20
10/50V
C15
GND GND GND GND GND GND GND GND
+15
+
POT FRAME
TYP 18X
16 15 14 13 12 11 10 9
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
R104A
R107A
R105A
R108A
R106A
GND GND GND GND GND GND GND GND
2
3
41
S20
2
3
41
S19
2
3
41
S18
2
3
41
S17
2
3
41
S16
1 2 3 4 5 6 7 8
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
R100A
R111A
R101A
R112A
R102A
2
3
41
S1
2
3
41
S5
2
3
41
S7
2
3
41
S8
2
3
41
S9
SHEET:
2 3
DA216a SELECTION MATRIX
of
102493
9
10
11
12
13
14
15
16
1 3
10KA
2
1 3
10KA
2
1 3
10KA
2
R109A
R99A
R110A
1 3
R113A
2
3
41
S15
2
3
41
S14
2
3
41
S13
BAA+B
7
6
5
4
3
2
1
10KA
2
1 3
10KA
2
1 3
10KA
2
R103A
R114A
2
3
41
S10
2
3
41
S11
2
3
41
S12
A+BAB
8
Page 4
H:\DA216A\102493-3.SCH 25-Mar-1999
GND
4
-15
3
4580
Z8A
R62
5
4580
Z5B
100
7
SHEET 2
20.0K
20.0K
6
R7
1
R176
R126
150pF
C58
GND
R64
5
4580
Z6B
7
100
SHEET 2
2
20.0K
20.0K
6
R9
R179
R127
150pF
C60
GND
4
-15
3
4580
Z5A
GND
47pF
C57
20.0K
2
R61
20.0K
8
+15
1
R8
100
SHEET 2
4
R190
5
4580
Z8B
100
20.0K
20.0K
6
7
R13
R129
150pF
C84
GND
5
4580
Z7B
20.0K
6
20.0K
R65
C81
47pF
7
R12
100
GND
47pF
C83
R68
20.0K
2
R67
20.0K
8
+15
1
R14
100
GND
R66
4
-15
3
4580
Z7A
1
100
SHEET 2
3
20.0K
20.0K
2
8
+15
R11
R191
R128
150pF
GND
C82
-15
47pF
C59
3
Z6A
4
4580
20.0K
2
R63
20.0K
8
+15
1
R10
100
GND
ACTION:
RB
CHECKED BY:DRAWN BY:
GND
RB
10802 47th Avenue West
Mukilteo WA 98275-5098
-15
1
7
47pF
2
8
+15
6
47pF
C87
20.0K
100
20.0K
C69
100
10
+
20.0K
R73
R20
+
20.0K
R81
R28
9
OUT3
GND
R74
5
4580
18
OUT7
GND
R82
3
4
4580
-15
J2E
Z11B
7
100
17
Z15A
1
100
SHEET 2
7
20.0K
20.0K
6
R19
J2I
SHEET 2
11
20.0K
20.0K
2
8
+15
R27
R189
R132
150pF
R185
R136
150pF
GND
C88
C70
GND
4
-15
5
4580
4580
Z10B
7
3
Z14A
47pF
1
5
7
8
J2D
+
OUT2
SHEET 2
6
R180
3
Z10A
4580
100
OUT6
R80
5
4580
2
1
15
J2H
Z14B
7
100
20.0K
20.0K
8
+15
R17
SHEET 2
20.0K
20.0K
6
R25
R131
150pF
10
R181
R135
150pF
GND
C64
GND
-15
C16
3
Z9A
4
4580
5
Z13B
4580
GND
R72
20.0K
6
20.0K
R71
4
-15
C63
R18
100
16
+
GND
47pF
C67
20.0K
2
R79
20.0K
8
+15
R26
100
6
J2C
+
OUT 1
SHEET 2
5
R177
5
Z9B
4580
7
100
13
OUT5
3
Z13A
4580
1
100
20.0K
20.0K
6
R15
J2G
SHEET 2
20.0K
20.0K
2
8
+15
R23
R130
150pF
9
R178
R134
150pF
C62
C66
GND
47pF
C61
R70
20.0K
2
R69
20.0K
8
+15
1
R16
100
14
+
GND
R78
20.0K
6
20.0K
R77
4
C65
100
-15
R24
47pF
7
11
12
J2F
+
OUT4
C85
47pF
3
Z12A
4
4580
20.0K
2
R75
20.0K
8
+15
1
R22
100
+
5
Z16B
4580
20.0K
6
20.0K
R83
C71
47pF
7
R30
100
GND
R76
2
OUT8
GND
R84
4
-15
5
4580
3
4580
Z12B
7
100
1
Z16A
1
100
SHEET 2
8
20.0K
20.0K
6
R21
J3A
SHEET 2
12
20.0K
20.0K
2
8
+15
R29
R188
R133
150pF
R187
R137
150pF
GND
C86
GND
C72
4
-15
3
Z11A
4580
5
Z15B
4580
10
9
SHEET:
3 3
DA216a OUTPUT DRIVERS
of
102493
GND
5
4580
6
Z20B
47pF
7
20.0K
C79
100
20.0K
R91
R38
18
+
+
GND
R92
4
-15
16
OUT12
3
2
Z20A
4580
1
100
17
J3I
J3E
SHEET 2
16
20.0K
20.0K
150pF
8
+15
R37
R186
R141
C80
GND
5
4580
Z19B
7
6
47pF
20.0K
C77
100
+
20.0K
R90
R36
+
8
OUT11
GND
R89
4
4580
-15
16
15
3
7
Z19A
1
100
15
J3D
SHEET 2
15
20.0K
20.0K
2
8
+15
R35
J3H
R184
R140
150pF
GND
C78
5
4580
Z18B
7
6
47pF
20.0K
C75
100
20.0K
R87
R34
+
+
GND
R88
4
-15
14
6
OUT10
3
Z18A
4580
100
14
5
2
1
13
J3G
J3C
SHEET 2
14
20.0K
20.0K
150pF
8
+15
R33
R183
R139
GND
C76
5
4580
Z17B
7
6
47pF
20.0K
C73
100
20.0K
R85
R32
12
+
4
+
GND
R86
4
-15
13
3
OUT9
3
Z17A
4580
1
100
11
J3F
J3B
SHEET 2
13
20.0K
20.0K
2
8
+15
R31
R182
R138
150pF
C74
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