REL3
REL1
REL2
to fx mixer
V1 - 12AX7LM
V2,3 - 12AX7
R15
R14
R21
R17
R10
R16
R26
R9
R22
R25
R5
R29
R3
R24
R18
R6
R27
R11
R4
R23
R19
R13
R20
R7
R28
R12
P5-B
P5-A
P1
P6
P2
P7
P4
P3
P8
220K
470K
470K
47K
33K
470K
470K
220K
470K
2n2
470K
100K
33K
100K
1W
100K
1W
100K
1W
100K
1W
100K
1W
150K
1W
1K5
1K5
1K5
1M
220K
1K5
820E
1W
2K7
A500K
A500K
B200K
B200K
A200K
A1M
A1M
B20K
B20K
+E
+D
+E
+D
+D
+E
C6
C17
C8
C11
C12
C10
C14
C13
C3
C19
C2
C18
C4
C20
C16
C1
C15
C7
C9
C5
100n
47n
47n
470p
270p
470p
4n7
100n
22n
270p
470p
47n
22n
470p
22u
470n
22u
680n
47n
3
3
3
8
8
8
2
2
2
7
7
7
1
1
1
6
6
6
V1A
V3A
V2A
V2B
V3B
V1B
CW
CW
CW
CW
CW
CW
CW
CW
CW
TREBLE
BASS
MID
TREBLE
BASS
MID
VOLUME
DRIVE
PRESENCE
VOLUME
R2
R1
R8
10K
1M
100K
Normal
INPUTS
Bright Clean
1
8
3
7
6
4
5
2
TWINTONE II
PRE-AMP
PAGE:
1 of 5
KOCH
GUITAR ELECTRONICS
Amersfoort
The Netherlands
DRAWN:
Dolf Koch
c
Copyright 2005, Koch Guitar Electronics
R30
R31
R32
P12
P11
470K
100K
1W
220K
1W
A200K
B1M
C23
C22
C21
270p
4n7
120p
CW
CW
SERIAL NRS:
x1434 - x3070
DATE:
25-07-2005
MARK
2.0
