Enclosure not stated · 4 knobs

DOD FX66 Flashback Fuzz

Based on the DOD FX66 Flashback Fuzz· 1 other board clones it

Category: Fuzz· Fuzz and Fuzzy Noisemakers
Controls: Fuzz · Tone · Low · Volume
Price: see vendor
Tags: Fuzz and Fuzzy Noisemakers

Open the schematic at Experimentalists Anonymous

Schematic

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Parts list 95 rows

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Check before you build · 2 values the reader of this schematic was not sure of

6R8: designator printed '6R8' (value 2K is clear)
R1 and R47 each printed twice; second copies listed as R1-2 and R47-2

Ref	Value	Normalized	Type	Notes
Resistors 42
R1	10K	10k		input series; R1 is printed twice (also the footswitch-section 10K); read from the schematic by eye
R2	1M	1M		read from the schematic by eye
R3	10K	10k		read from the schematic by eye
R4	10K	10k		read from the schematic by eye
R7	100K	100k		read from the schematic by eye
R8	220K	220k		read from the schematic by eye
R10	10K	10k		read from the schematic by eye
R12	220K	220k		read from the schematic by eye
R17	2K	2k		read from the schematic by eye
R20	1M	1M		read from the schematic by eye
R21	10K	10k		read from the schematic by eye
R22	100K	100k		read from the schematic by eye
R23	10K	10k		read from the schematic by eye
R25	220K	220k		read from the schematic by eye
R26	100K	100k		read from the schematic by eye
R27	1M	1M		read from the schematic by eye
R31	10K	10k		read from the schematic by eye
R32	100K	100k		read from the schematic by eye
R33	33K	33k		read from the schematic by eye
R34	1K	1k		read from the schematic by eye
R35	10K	10k		read from the schematic by eye
R41	1K	1k		read from the schematic by eye
R42	100K	100k		read from the schematic by eye
R43	2K	2k		read from the schematic by eye
R47	100K	100k		Q10 gate to Vbias; R47 is printed twice (also the 750 in the tone network); read from the schematic by eye
R50	10K	10k		read from the schematic by eye
R51	100	100		read from the schematic by eye
R52	100K	100k		read from the schematic by eye
R53	10K	10k		read from the schematic by eye
R54	10K	10k		read from the schematic by eye
R55	100	100		read from the schematic by eye
R1-2	10K	10k		footswitch section, Q6 base to ground; drawn R1 (clash with input R1); read from the schematic by eye
R47-2	750	750		tone network; drawn R47 (clash); read from the schematic by eye
Ra	100K	100k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rb	2K	2k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rc	10K	10k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rd	10K	10k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Re	220K	220k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rf	47K	47k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rg	2K	2k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
Rh	100K	100k		letter designator: unknown ref number per the drawing's note; read from the schematic by eye
6R8	2K	2k		drawn '6R8' before the clipping diodes; likely a mislabeled letter or R68; read from the schematic by eye
Capacitors 30
C1	120pF	120p		read from the schematic by eye
C2	.05uF	50n		read from the schematic by eye
C3	1uF	1u		read from the schematic by eye
C4	.033uF	33n		read from the schematic by eye
C5	120pF	120p		read from the schematic by eye
C6	.05uF	50n		read from the schematic by eye
C7	.056uF	56n		read from the schematic by eye
C8	.05uF	50n		read from the schematic by eye
C9	.033uF	33n		read from the schematic by eye
C10	50pF	50p		read from the schematic by eye
C11	10uF	10u		read from the schematic by eye
C12	10uF	10u		read from the schematic by eye
C14	.22uF	220n		read from the schematic by eye
C15	.05uF	50n		read from the schematic by eye
C16	.05uF	50n		read from the schematic by eye
C17	1uF	1u		read from the schematic by eye
C18	50pF	50p		read from the schematic by eye
C19	.015uF	15n		read from the schematic by eye
C20	.001uF	1n		read from the schematic by eye
C23	50pF	50p		read from the schematic by eye
C24	.082uF	82n		read from the schematic by eye
C25	.33uF	330n		read from the schematic by eye
C26	.05uF	50n		read from the schematic by eye
C27	10uF	10u		read from the schematic by eye
C28	.22uF	220n		read from the schematic by eye
C29	.22uF	220n		read from the schematic by eye
C30	.05uF	50n		read from the schematic by eye
C32	10uF	10u		read from the schematic by eye
C33	330uF	330u		read from the schematic by eye
C34	330uF	330u		read from the schematic by eye
Diodes 5
D1	Diode	DIODE		no part number given; read from the schematic by eye
D2	Diode	DIODE		no part number given; clipping; read from the schematic by eye
D3	Diode	DIODE		no part number given; clipping; read from the schematic by eye
D4	Diode	DIODE		no part number given; read from the schematic by eye
D6	Diode	DIODE		no part number given; read from the schematic by eye
Transistors 9
Q1	J201	J201		read from the schematic by eye
Q2	J201	J201		read from the schematic by eye
Q3	2N5088	2N5088		read from the schematic by eye
Q4	J201	J201		read from the schematic by eye
Q5	2N5088	2N5088		read from the schematic by eye
Q6	2N5088	2N5088		read from the schematic by eye
Q7	2N5088	2N5088		read from the schematic by eye
Q9	2N5088	2N5088		read from the schematic by eye
Q10	J201	J201		read from the schematic by eye
ICs 4
U1	KA4558	KA4558		read from the schematic by eye
U2	KA4558	KA4558		only U2A drawn; read from the schematic by eye
U3	4007	4007		CD4007 footswitch logic; read from the schematic by eye
U4	KA4558	KA4558		read from the schematic by eye
Potentiometers 4
Fuzz	100K	100k	Potentiometer	P1; read from the schematic by eye
Tone	100K	100k	Potentiometer	P2; read from the schematic by eye
Low	100K	100k	Potentiometer	P3; read from the schematic by eye
Volume	100K	100k	Potentiometer	P4; read from the schematic by eye
LEDs 1
D8	LED	LED		read from the schematic by eye

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