Heavenly Red v1.0
Manufacturers and product names are mentioned solely for circuit identification, and where applicable their trademarks are the
property of their respective owners who are in no way associated or affiliated with the author. No cooperation or endorsement
is implied.
4
Components
Name Value
Comment
Name Value Comment
C1
10u
Electrolytic 25V+
R1
390R 1% metalfilm
C2
10u
Electrolytic 25V+
R2
4k7
1% metalfilm
C3
100u
Electrolytic 25V+
R3
390R 1% metalfilm
C4
100n
SMF/MKT/Wima
R4
4k7
1% metalfilm
C5
10u
Electrolytic 25V+
R5
1M
1% metalfilm
C6
100u
Electrolytic 25V+
R6
68k
1% metalfilm
C7
4n7
SMF/MKT/Wima
R7
820R 1% metalfilm
C8
680n
SMF/MKT/Wima
R8
100R 1% metalfilm
C9
10u
Electrolytic 25V+
R9
499k
1% metalfilm
C10
1n
SMF/MKT/Wima
R10
499k
1% metalfilm
C11
470p
Wima/Silver Mica
R11
100k
1% metalfilm
C12
470p
Wima/Silver Mica
R12
4k75
1% metalfilm
C13
1n
SMF/MKT/Wima
R13
4k75
1% metalfilm
C14
2n2
SMF/MKT/Wima
R13a
18k
1% metalfilm
C15
1n
SMF/MKT/Wima
R14
499k
1% metalfilm
C16
2u2
Wima/Electrolytic 25V+
R15
NC
C16a
1u
Wima/Electrolytic 25V+
R15a
499k
1% metalfilm
C17
470p
Wima/Silver Mica
R16
499k
1% metalfilm
C18
470p
Wima/Silver Mica
R17
499k
1% metalfilm
C19
22n
SMF/MKT/Wima
R18
10k
1% metalfilm
C20
470p
Wima/MLCC
R19
100R 1% metalfilm
C21
470p
Wima/Silver Mica
R20
499k
1% metalfilm
C22
10u
Electrolytic 25V+
R21
470k
1% metalfilm
C23
22n
SMF/MKT/Wima
OPTIONAL
R22
1k
1% metalfilm
C24
470p
Wima/Silver Mica
R23
100k
1% metalfilm
C25
22n
SMF/MKT/Wima
R24
100R 1% metalfilm
C26
22n
SMF/MKT/Wima
R25
33k
1% metalfilm
C27
3n3
SMF/MKT/Wima
R26
2M2
1% metalfilm
C28
100n
SMF/MKT/Wima
R27
2M2
1% metalfilm
C29
1u
SMF/MKT/Wima/Electrolytic
R28
10k
1% metalfilm
C30
100n
SMF/MKT/Wima
R29
100k
1% metalfilm
D1
LED
On/Off LED
R30
4M7
1% metalfilm
D2
1N4001
SW1
SPDT Variac
D3
LED
Boost LED
SW2
SP3T
Pre-EQ
on-off-on
D4
1N5817
SW4
DPDT Boost Footswitch
D5
1N5817
SW5
SP3T
Structure
on-off-on
P1
B500k
Gain
SW6
SPDT Mode
P2
B250k
Treble
SW8
DPDT Output buffer
P3
A1M
Bass
SW3
DPDT Plexi
P4
B25k
Mid
VR1-6
100k
BIAS Trimpots
P5
B20k
Presence (Or B25k)
Q1-Q6
J201
IC1
LT1054
P6
A1M
Volume
All parts need to be 25V+ rated