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+E
+D
+C
R90
R91
10K
3K3
C50
C51
1W
22u
22u
450V
450V
+H
R94
33E
3W
C56
1000u
16V
+HT
+F
R103
2K2
R101
1M
Green
T3
R102
2K2
STANDBY
POWER
KOCH
GUITAR ELECTRONICS
Amersfoort
The Netherlands
+B
+HT
R92
R93
3K3
220E
C52
C53
C54
1W
5W
22u
47u
47u
450V
450V
450V
+G
-G
220E
R95
R96
220E
C57
C58
R97
1K
100u
100u
25V
25V
BIAS
C61
4u7
100V
R104
2K2
Red
Copyright 2005, Koch Guitar Electronics
STANDBY
HT FUSE
4x
1N4007
Z2
T0.5A
C55
300V
47u
450V
+F
-F
Z3
AT1.6
Ceramic
C59
C60
2x
1N4007
3300u
3300u
16V
16V
R98
470K
1N4007
Z4
C62
R99
1K
T0.5A
CW
P13
100u
25K
100V
R100
22K
DRAWN:
Dolf Koch
230 V
115 V
POWER
TX2
100 V
gn
ye
gy
gn
or
rd
bk
bn
gy
230V - T1.6A
10V
100/115V - T3.15A
gy
to filaments
V4-8
4x
1N4007
bl
6,5V
C63
pu
bl
15000u
40V
10V
pu
R105
R106
100E
100E
V1- V4
4
5
9
filaments
DATE:
TWINTONE II
25-07-2005
SERIAL NRS:
POWER SUPPLY
x1434 - x3070
T3
- BC547
TX2 - TXM-50.4
MAINS
Z1
to filaments
V1-3
R107
0,47E
C64
3W
15000u
10V
C65
C66
100u
100u
16V
16V
V5-V6
2
7
MARK
2.0
PAGE:
4 of 5
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