GOLDMUND AUDIO AMPLIFIER SCHEMATIC
470µF/100V
R30
10K
C9
R31
560/2W
C8 C30 470µF/100V 220µF/250V
C16
470µF/100V R38
D7
R32
C14 C15
60V AC
100µ/100V 1uF/100 T21
2K7 / 4W
D6 6R8 /2W
1N4004
BD 249 C 1N4004
OFFSET ADJUST
R16
150
220
POWER GND
R8
R1 R2
3K 3K R14 R15
75 75 C24 C25 C26
R7 T8 T11
T7
51K
10nF/100V 10nF/100V 10nF/100V C33 C32 C31
+80V
T3
T4 T19 1uF/100V 4700µF/100V
BSS71
470µF/100V
R24
BC 546 B BC 546 B C7
MPSA 93 MPSA 93
T16
100
2SK1058
R6
33K
4,7pF/100V R25
D2
ZD12V
T15
100
2SK1058
C3
T1 R26
R36
D5
4,7pF/100V
1N4148
100
2SK 1058
R21 OUT
0.22/3W
R10
2N 5565 SP
IN
L1 4µH
1k
R20 10K
R13
270 / 3W R23
330 2SJ162 8R
330 / 3W R27
C1
1N4148
R37
R9 R22 C5
10 / 3W
100
R19
D4
100K
47pF
30K 30K
R3 R4 2SJ162
SIG GND
75 75 R28 T20
D3 C27 C28
4,7pF/100V
ZD12V
100
C6 47pF
10nF/250V
R11 R12 R29 T17 2SJ162
20K 33K
4,7pF/100V
100
T5 T6
T9 T10
T18
C E
E C BSS74
B B
BC 182 B BC 182 B
BC 546 B MPSA 43 MPSA43 470µF/100V
MPSA43
BC 182 B MPSA 93 1uF/100V 4700µF/100V
T12
-80V
C20 C21 C22
C36 C35 C34
R5 D1
R17 R18
3K
ZD6V
330 330
10nF/100V 10nF/100V 10nF/100V
BD 250 C
T22
C19
R33 R39
60V AC
B C E G S D
D10
2K7 / 4W 470µ / 100V 6R8/2W
BD 249 C 2 SK 1058 1N4004
C11 C29
D8
BD 250 C 2 SJ 162
1uF/100V
100µF/100V R35
C17 C18 1N4004
470µF/100V 220µF/250V
560/2W
C12 R34
10K
470µF/100V