MEGALITH DUAL DRIVE
6
SCHEMATIC
GND
1M
10
0k
B
5k
C
10
0k
B
1M
1M
BS170
1N5239
GND
5k
1
10
0n
VA
22
n
GND
470k
47
0p
F
1M
1M
BS170
GND
5k
1
VA
22
n
18
0R
GND
1M
1M
BS170
GND
5k
1
VA
39
0R
56
n
47k
22n
10
0n
82
k
GND
GND
9k1
2n2
9k1
2n2
GND
GND
GND
GND
47
0n
47
n
33
0R
GND
33
0n
22
n
IN
DRIVE
RP
D
DR
IV
E
LE
VE
L
1
2
3
GA
IN
1
2
3
TO
NE
1
2
3
R1
R2
Q1
D2
R3
C1
C2
R4
C3
R5
R6
Q2
R8
C4
R7
R9
R10
Q3
R1
1
R1
3
C5
R14
C10
C1
1
R1
5
R16
C12
R17
C13
HI GAIN
2
3
1
C7
C6
SUB
2
3
1
R1
2
C8
C9
GND
1M
5k
C
1M
1M
BS170
1N5239
GND
5k
1
10
0n
VA
GND
1u
F
47
k
GND
10
uF
B
BOOST IN
OOST OUT
R1
8
BO
OS
T
LE
VE
L
1
2
3
R1
9
R20
Q4
D3
R2
1
C1
4
C1
5
R2
2
C1
6
TO
DRIVE
IN
TO
OUTPUT
JACK
FROM
INPUT
JACK
TO
BOOST
IN
FROM
BOOST
OUT
FROM
MAIN
OUT
4k
7
5M
M
1N5817
100uF
GND
+9V
100n
VA
82R
4k
7
5M
M
+9V
LE
DR
DR
IV
E
LE
D
D1
C17
A2
A3
A1
DRIVE A
B2
B3
B1
DRIVE B
C2
C3
C1
DRIVE C
C18
R23
LE
DB
BO
OS
T
LE
D
A2
A3
A1
BOOST A
B2
B3
B1
BOOST B
C2
C3
C1
BOOST C
SW1A
2
3
1
SW1B
5
6
4
SW1C
8
9
7
GND
GND
GND
DRIVE
OUT
