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3
+
from preamp
IC1A
2
-
R40
220K
R49
6K8
C30
R50
R46
33n
470K
10K
7
2
-
IC3
3
C31
R47
+
4
10K
100n
R51
R48
100K
6K8
KOCH
GUITAR ELECTRONICS
Amersfoort
The Netherlands
TO FX-in
FROM FX-out
Parallel
Serial
R41
1
1K
+F
T1
REVERB
out
R52
6
reverb can:
Accutronics
33E
3W
4AB3C1B
T2
-F
Copyright 2005, Koch Guitar Electronics
R42
47K
R43
47K
REL4
CW
P11
VOLUME
B20K
Reverb/
FX Mix
in
C32
R53
220K
2n2
+G
8
5
REL5
+
7
IC1B
6
-
4
R45
CW
P12
25K
10K
-G
RHYTHM
R44
VOLUME
1K
+G
R56
1K
7
3
+
6
IC2
2
-
4
R55
47K
-G
R54
10K
C33
68n
DRAWN:
DATE:
TWINTONE II
Dolf Koch
25-07-2005
SERIAL NRS:
FX MIXER
x1434 - x3070
IC1
- OP249
IC2
- TL071
IC3
- TL061
T1
- BD136
T2
- BD135
to pwr amp
MARK
2.0
PAGE:
2 of 5
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