input
VR1
500k
Log
V5
ECC81'
R13
10k
C6
47n
2W
+
C5
47u
R1
220k
6
7
8
59
R2
2.7k
1
V7
49
R3
47k
C17
4.7u
VR2
50k
Log
ECC81"
2n2
22n
C1
C2
R4
82k
R5
8.2k
10k
R6
C3
4n7
C4
47n
R7
68k
VR3
250k
Log
R8
6.8k
2
3
V6
ECC81'
R12
220k
6
7
8
59
R9
2.0k
R10
100k
R11
100R
350V 410V300V
R18
R19
82k
100k
C8
220n
6
R15
1k
R17
10k
5
R16
680k
V3
ECC81
7
8
1
2
3
49
R14
680k
C7
220n
R20
2W
6.8k
+
C10
47u
C9
220n
400V
+
C11
220u
400V
R25
2.7k
R26
820R
2W
27
8
R24
8
27
R29
100R
R21
R22
330k330k
VR4
50k
R23
10k
2.7k
Lin
C16
330u
+
100V
D1
5
5
4
1
1
4
Yelow
270R
R27
820R
2W
R28
V1
EL34
3
V2
EL34
3
5W
C12A
32u
450V
1
2
3
+
OPT-PP
TR1
+
11
10
9
8
7
6
5
4
C12B
32u
450V
From
Rectifier
16R
8R
Treble Bass
Original Amplifier except R13 was 47k and R20 was 10k
Revision:
1
d.c. ~ daylight ltd.
SAI-Marshall
4 Jan 2004
Drawn: K. Snook
Checked:
Page Size:
11
Page of
A4
d.c. ~ daylight ltd.
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