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4
TUBE
751913 SCH 1 of 2
C21
R31
.47µF
221K
J3:12
2
J3:11
2
TOUT R +
J3:10
2
TOUT R -
J3:9
J3:6
2
J3:7
J3:8
2
J3:5
T IN R +
2
J3:4
0V
T IN R -
2
J3:3
2
J3:1 J3:2
R48
T U BE R ED
6.81k
J4:1
5
DS3:1
R49
T U BE GR N
J4:2
47.5k
5
DS3:2
R50
T U BE BLU
10k
J4:3
5
DS3:3
J4:4
5
12AX7 A
-17VR
J4:5
5
-17VR
+17VH R
J4:6
+17VH R
5
-6. 8VH R
J4:7
-6. 8VH R
5
180VR
J4:8
5
180VR
180VR
R26
221K
C18
.01µF
97V
V3 :2
0V
7
12AX7 A
0.7V
R33
C24
100µF
2k
0V
C27
R35
1
-12.9V
Q3
100µF
2k
-12.3V
C28
R38
10µF
6.81k
R40
4.75k
0.7V
C31
R41
100µF
681
2
V3 :1
12AX7 A
-17VR
97V
C32
.01µF
R47
221K
180VR
V3 :3
33
MP1100
180VR
R27
221K
C19
.22µF
R28
475k
97V
-8.2V
7
V4 :2
12AX7 A
-8V
R30
1M
-9VR
C23
R32
OPEN
1k
-8.4V
-12.9V
1
Q4
R36
1k
-12.3V
R37
4.75k
R39
4.75k
-9VR
-9VR
R42
15k
R44
1M
-8V
-8.2V
2
V4 :1
12AX7 A
97V
C33
.22µF
R46
R45
221K
475k
180VR
DS4:1
DS4:2
DS4:3
12AX7 A
V4 :3
+17VHR
+17VHR
D5
5
7
TOUT R +
U2:2
D6
6
R29
-17VR
2k
C20
1000pF
C22
47pF
+17VHR
-17VR
-6.8VHR
R34
C25
C26
C34
1k
.1µF
.1µF
.1µF
C29
47pF
C30
1000pF
R43
2k
+17VHR
+17VHR
2
B+
1
D7
U2:1
TOUT R -
B-
3
-17VR
D8
-17VR
+17VHR
34
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