SCHEMATIC
APOLLO PREAMP DRIVE MK. I
6
GND
2M
2
1N5817
100uF
50
0k
A
50
0k
A
GND
50
0k
B
10
0k
A
+9V
100n
VA
270pF
10
0n
GND
10
M
100R
62k
82
k
47uF
GND
GND
VB
VB
1N
47
39
A
BS170
3k
3
VA
3k
3
1k
GND
GND
100uF
10
0n
12
k
GND
47
n
10
M
1N
47
39
A
BS170
3k
3
100uF
GND
GND
3k
3
VB
VA
4u
7
10
0k
4n7
10
n
GND
GND
10k
10n
GND
47
0p
F
10
0n
10
M
VB
1N
47
39
A
BS170
3k
3
VA
3k
3
13
0R
GND
GND
100uF
10
uF
12k
2n2
2n2
12k
47k
470n
250k
GND
GND
GND
IN
OUT
RP
D
D1
C19
GA
IN
1
2
3
BA
SS
1
2
3
TR
EB
LE
1
2
3
M
AS
TE
R
1
2
3
C20
C1
C2
R1
R20
R18
R1
9
C18
Z1
Q1
R2
R3
R4
C3
C4
R5
C5
R6
Z2
Q2
R7
C6
R8
C7
R9
C8
C9
R10
C10
C1
1
C1
2
R1
1
Z3
Q3
R1
2
R1
3
R1
4
C13
C1
5
R16
C16
C17
R17
R15
C14
FEEDBACK
1
2
3
GND
