AudioArts Engineering D-75 - Schematic

600 Industrial Drive
New Bern, NC 28562
CT3
12
11
10
9
8
7
6
5
4
3
2
1
CT4
12
11
10
9
8
7
6
5
4
3
2
1
V+
V-
C15
0.1uF
C21
0.1uF
C3
0.1uF
C8
0.1uF
AGND
0.1uF
C38
0.1uF
C44
C25
0.1uF
C32
0.1uF
F2
POLYSW
.3A
F1
POLYSW
.3A
+Vin
-Vin
C12
100uF
C35
100uF
page 11 - 2
D-75/Sep 2004
4-3-03
16S0026
QMP-4 PCB
W# 700768
QMP-4
QMP-4 Quad Mic Preamp Schematic - Sheet 1 of 1
1 OF 1
- Sergey Averin -
SA
SA
_
SA
CHECKED
ISSUED
DRAWN
CONTRACT NO.
APPROVALS DATE
SCALE SHEET
D
REVDWG. NO.FSCM NO.SIZE
87654321
12345678
A
B
C
D D
C
B
A
C4
0.001uF
AGND
C9
0.001uF
AGND
10.0K
R5
10.0K
R13
C10 10uF
C1 10uF
AGND
330pF
C5
AGND
AGNDAGND
10
R12
22uF C6
AGND
C5V1
Z2
5.1V
Z4
C5V1
5.1V
C5V1
Z3
5.1V
C5V1
Z1
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
1
2
3
4
56
7
8
U2
-
SSM2017
V-
V+
+
L1
L2
HI
LO
AGND
AGND
SH
3
2
1
1K
CR1
5532
3
2
1
8
4
U1
+
-
V+V-
5532
7
6
5
U1
+
-
C7 33pF
13.3KR8
4.99KR1
10R2
47R11
AGND
-2dBu
C2 33pF
10R9
4.99KR3
4.99KR4
47R10
HI
LO
SH
C16
0.001uF
AGND
C22
0.001uF
AGND
10.0K
R19
10.0K
R27
C23 10uF
10uFC13
AGND
C17
330pF
AGND
AGNDAGND
10
R26
C1822uF
AGND
Z6
C5V1
5.1V
C5V1
Z8
5.1V
Z7
C5V1
5.1V
Z5
C5V1
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
U4
8
7
65
4
3
2
1
-
SSM2017
V-
V+
+
L3
L4
HI
LO
AGND
AGND
SH
1K
1
2
3
CR2
5532
U3
4
8
1
2
3
+
-
V+V-
5532
U3
5
6
7
+
-
C20 33pF
13.3KR22
4.99KR15
10R16
47R25
AGND
-2dBu
C14 33pF
10R23
4.99KR17
4.99KR18
47R24
HI
LO
SH
C26
0.001uF
AGND
C33
0.001uF
AGND
10.0K
R35
10.0K
R42
C34 10uF
C27 10uF
AGND
C28
330pF
AGND
AGNDAGND
10
R41
C3022uF
AGND
Z10
C5V1
5.1V
C5V1
Z12
5.1V
Z11
C5V1
5.1V
C5V1
Z9
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
U6
1
2
3
4
56
7
8
-
SSM2017
V-
V+
+
L5
L6
HI
LO
AGND
AGND
SH
3
2
1
1K
CR3
5532
U5
3
2
1
8
4
+
-
V+V-
5532
U5
7
6
5
+
-
C31 33pF
13.3KR37
4.99KR31
10R32
47R40
AGND
-2dBu
C24 33pF
10R38
4.99KR33
4.99KR34
47R39
HI
LO
SH
0.001uF
C39
AGND
0.001uF
C45
AGND
10.0K
R50
10.0K
R56
10uFC46
10uFC40
AGND
330pF
C41
AGND
AGNDAGND
10
R55
22uF C42
AGND
Z14
C5V1
5.1V
C5V1
Z16
5.1V
Z15
C5V1
5.1V
C5V1
Z13
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
U8
8
7
65
4
3
2
1
-
SSM2017
V-
V+
+
L7
L8
HI
LO
AGND
AGND
SH
1K
1
2
3
CR4
5532
U7
4
8
1
2
3
+
-
V+V-
5532
U7
5
6
7
+
-
33pFC43
13.3KR51
4.99KR46
10R47
47R54
AGND
-2dBu
33pFC37
10R52
4.99KR48
4.99KR49
47R53
HI
LO
SH
CT1
1 2 3
CT2
1 2 3
CT5
1 2 3
CT6
1 2 3
CT7
1
2
3
4
5
6
7
8
9
10
4.99K
R14
4.99K
R7
1.30K R6
SW1
714
C11
10uF
AGND
4.99K
R28
4.99K
R21
1.30K R20
SW1
12 5
C19
10uF
AGND
4.99K
R36
4.99K
R30
1.30K R29
SW1
310
C29
10uF
AGND
4.99K
R45
4.99K
R44
1.30K R43
SW1
18
10uF
C36
AGND
AGND
MIC1INLO
MIC1INHI
AGND
AGND
AGND
MIC1INHI
MIC1INLO
MIC1OUTLO
MIC1OUTHI
MIC2INLO
MIC2INHI
MIC2OUTLO
MIC2OUTHI
MIC3INHI
MIC3INLO
MIC3OUTLO
MIC3OUTHI
MIC4INLO
MIC4INHI
MIC4OUTLO
MIC4OUTHI
MIC2INLO
MIC2INHI
MIC3INLO
MIC3INHI
MIC4INLO
MIC4INHI
AGND
MIC1OUTLO
MIC1OUTHI
AGND
AGND
AGND
MIC2OUTLO
MIC2OUTHI
MIC3OUTLO
MIC3OUTHI
MIC4OUTLO
MIC4OUTHI
PH1
+PhV
PH2
+PhV
PH3
+PhV
PH4
+PhV
AGND
AGND
AGND
AGND
+PhV
+PhV
+Vin
+Vin
-Vin
-Vin
HI
LO
SH
HI
LO
SH
HI
LO
SH
HI
LO
SHSH
LO
HI
SH
LO
HI
SH
LO
HI
SH
LO
HI
PWR
OUT 4
OUT 3
OUT 2
OUT 1
-50dBu BAL
-50dBu BAL
-50dBu BAL
-50dBu BAL
MIC 1
MIC 2
MIC 3
MIC4
MIC 1
GAIN
TRIM
MIC 2
GAIN
TRIM
MIC 3
GAIN
TRIM
MIC 4
GAIN
TRIM
NOT INSTALLED
NOT INSTALLED
NOT INSTALLED
NOT INSTALLED
+4dBu BAL
+4dBu BAL
+4dBu BAL
+4dBu BAL