AudioArts Engineering audio console r-55e - Quad MIC Preamp (QMP-4) Schematic

New Bern, NC 28562
600 Industrial Drive
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-
0.1uF
C15
0.1uF
C21
0.1uF
C3
0.1uF
C8
AGND
C38
0.1uF
C44
0.1uF
0.1uF
C25
0.1uF
C32
.3A
POLYSW
F2
.3A
POLYSW
F1
+Vin
-Vin
100uF
C12
100uF
C35
SA
_
SA
SA
- Sergey Averin -
1 OF 1
QMP-4 Quad Mic Preamp Schematic - Sheet 1 of 1
QMP-4
W# 700768
QMP-4 PCB
16S0026
4-3-03
R-55e/July 2004
page 12 - 3
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
0.001uF
C4
AGND
0.001uF
C9
AGND
R5
10.0K
R13
10.0K
10uFC10
10uFC1
AGND
C5
330pF
AGND
AGNDAGND
R12
10
C622uF
AGND
Z2
C5V1
5.1V
C5V1
Z4
5.1V
Z3
C5V1
5.1V
Z1
C5V1
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
U2
8
7
65
4
3
2
1
-
SSM2017
V-
V+
+
L1
L2
HI
LO
AGND
AGND
SH
CR1
1K
1
2
3
U1
4
8
1
2
3
5532
+
-
V+V-
U1
5
6
7
5532
+
-
33pFC7
R8 13.3K
R1 4.99K
R2 10
R11 47
AGND
-2dBu
33pFC2
R9 10
R3 4.99K
R4 4.99K
R10 47
HI
LO
SH
0.001uF
C16
AGND
0.001uF
C22
AGND
R19
10.0K
R27
10.0K
10uFC23
C13 10uF
AGND
330pF
C17
AGND
AGNDAGND
R26
10
22uF C18
AGND
C5V1
Z6
5.1V
Z8
C5V1
5.1V
C5V1
Z7
5.1V
C5V1
Z5
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
1
2
3
4
56
7
8
U4
-
SSM2017
V-
V+
+
L3
L4
HI
LO
AGND
AGND
SH
CR2
3
2
1
1K
3
2
1
8
4
U3
5532
+
-
V+V-
7
6
5
U3
5532
+
-
33pFC20
R22 13.3K
R15 4.99K
R16 10
R25 47
AGND
-2dBu
33pFC14
R23 10
R17 4.99K
R18 4.99K
R24 47
HI
LO
SH
0.001uF
C26
AGND
0.001uF
C33
AGND
R35
10.0K
R42
10.0K
10uFC34
10uFC27
AGND
330pF
C28
AGND
AGNDAGND
R41
10
22uF C30
AGND
C5V1
Z10
5.1V
Z12
C5V1
5.1V
C5V1
Z11
5.1V
Z9
C5V1
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
8
7
65
4
3
2
1
U6
-
SSM2017
V-
V+
+
L5
L6
HI
LO
AGND
AGND
SH
CR3
1K
1
2
3
4
8
1
2
3
U5
5532
+
-
V+V-
5
6
7
U5
5532
+
-
33pFC31
R37 13.3K
R31 4.99K
R32 10
R40 47
AGND
-2dBu
33pFC24
R38 10
R33 4.99K
R34 4.99K
R39 47
HI
LO
SH
C39
0.001uF
AGND
C45
0.001uF
AGND
R50
10.0K
R56
10.0K
C46 10uF
C40 10uF
AGND
C41
330pF
AGND
AGNDAGND
R55
10
C4222uF
AGND
C5V1
Z14
5.1V
Z16
C5V1
5.1V
C5V1
Z15
5.1V
Z13
C5V1
5.1V
V+
V-
V+
V-
-10dBu
-2dBu
1
2
3
4
56
7
8
U8
-
SSM2017
V-
V+
+
L7
L8
HI
LO
AGND
AGND
SH
CR4
3
2
1
1K
3
2
1
8
4
U7
5532
+
-
V+V-
7
6
5
U7
5532
+
-
C43 33pF
R51 13.3K
R46 4.99K
R47 10
R54 47
AGND
-2dBu
C37 33pF
R52 10
R48 4.99K
R49 4.99K
R53 47
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
R14
4.99K
R7
4.99K
R6 1.30K
14 7
SW1
10uF
C11
AGND
R28
4.99K
R21
4.99K
R20 1.30K
512
SW1
10uF
C19
AGND
R36
4.99K
R30
4.99K
R29 1.30K
10 3
SW1
10uF
C29
AGND
R45
4.99K
R44
4.99K
R43 1.30K
81
SW1
C36
10uF
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
+4dBu BAL
+4dBu BAL
+4dBu BAL
+4dBu BAL
NOT INSTALLED
NOT INSTALLED
NOT INSTALLED
NOT INSTALLED
MIC 4
GAIN
TRIM
MIC 3
GAIN
TRIM
MIC 2
GAIN
TRIM
MIC 1
GAIN
TRIM
MIC4
MIC 3
MIC 2
MIC 1
-50dBu BAL
-50dBu BAL
-50dBu BAL
-50dBu BAL
OUT 1
OUT 2
OUT 3
OUT 4
PWR
HI
LO
SH
HI
LO
SH
HI
LO
SH
HI
LO
SH SH
LO
HI
SH
LO
HI
SH
LO
HI
SH
LO
HI