Electric Druid FilterFX Construction Guide
www.electricdruid.net
Bill of Materials
Additionally, you will need some/all of the offboard components listed on the
next page.
Order
Ref
Description
Value
Quantity
Done?
1
D1
Polarity Protection Diode
1N5817
1
2
D2
Signal Diode
1N4148
1
3
R23
1% Metal film resistor
47R
1
4
R24
1% Metal film resistor
220R
1
5
R16, R17, R18
1% Metal film resistor
470R
3
6
R14
1% Metal film resistor
560R
1
7
R1, R15
1% Metal film resistor
1K
2
8
R25
1% Metal film resistor
2K2
1
9
R20, R21
1% Metal film resistor
4K7
2
10
R4, R6, R9, R10, R19, R22
1% Metal film resistor
10K
6
11
R5
1% Metal film resistor
20K
1
12
R7, R13
1% Metal film resistor
100K
2
13
R11, R12
1% Metal film resistor
120K
2
14
R8
1% Metal film resistor
680K
1
15
R2, R3
1% Metal film resistor
2M2
2
16
TL072, TL072, STOMPLFO
IC sockets
8-pin DIP
3
17
REG1
+5V Regulator
78L05
1
18
TR1, TR2
NPN Transistor
2N3904
2
19
C7, C9, C10
Ceramic capacitor
100n
3
20
C1
Film capacitor
100n
1
21
C2, C3
Film capacitor
10n
2
22
C4
Film capacitor
470n
1
23
C5, C8
Electrolytic capacitor
47u
2
24
C6
Electrolytic capacitor
100u
1
25
V1, V2
VTL5C3 Optocoupler
VTL5C3
2
26
VR1, VR2, VR3, VR4
10K Lin Potentiometers
10K Lin
4
27
SW1, SW2
Salecom 3-way switch
T812
2
28
LED1, LED2
Indicator LEDs
2
28
Unmarked
Pot dust covers or plastic
29
IC1, IC2
Dual audio op-amp
TL072
2
30
uP1
PIC 16F18313
STOMPLFO
1
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