Enclosure not stated · 4 knobs

DOD FX75B

Based on the DOD FX75B

Category: Flanger· Flangers
Controls: Delay · Width · Regeneration · Speed
Price: see vendor
Tags: Flangers

Open the schematic at Experimentalists Anonymous

Schematic

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Parts list 102 rows

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Ref	Value	Normalized	Type	Notes
Resistors 52
R2	10K	10k		read from the schematic by eye
R3	1K	1k		read from the schematic by eye
R4	470K	470k		read from the schematic by eye
R5	47K	47k		read from the schematic by eye
R6	10K	10k		read from the schematic by eye
R7	47K	47k		read from the schematic by eye
R8	47K	47k		read from the schematic by eye
R9	47K	47k		read from the schematic by eye
R10	100K	100k		read from the schematic by eye
R11	100K	100k		read from the schematic by eye
R12	47K	47k		read from the schematic by eye
R13	1K	1k		read from the schematic by eye
R14	47K	47k		read from the schematic by eye
R16	10K	10k		read from the schematic by eye
R17	10K	10k		read from the schematic by eye
R18	1M	1M		read from the schematic by eye
R19	100K	100k		read from the schematic by eye
R20	51	51		51 ohm; read from the schematic by eye
R21	1M	1M		read from the schematic by eye
R22	1M	1M		read from the schematic by eye
R23	100K	100k		read from the schematic by eye
R24	100K	100k		read from the schematic by eye
R26	33K	33k		designator printed twice (both 33K) in the BBD low-pass filter; read from the schematic by eye
R26b	33K	33k		second R26; read from the schematic by eye
R27	47K	47k		read from the schematic by eye
R28	47K	47k		read from the schematic by eye
R29	10K	10k		read from the schematic by eye
R30	2K	2k		read from the schematic by eye
R31	10K	10k		read from the schematic by eye
R32	10K	10k		read from the schematic by eye
R33	22K	22k		read from the schematic by eye
R34	18K	18k		read from the schematic by eye
R35	4.7K	4.7k		read from the schematic by eye
R36	47K	47k		read from the schematic by eye
R39	33K	33k		read from the schematic by eye
R40	100K	100k		read from the schematic by eye
R41	120K	120k		read from the schematic by eye
R42	10K	10k		read from the schematic by eye
R43	22K	22k		read from the schematic by eye
R45	22K	22k		read from the schematic by eye
R47	2K	2k		read from the schematic by eye
R48	10K	10k		read from the schematic by eye
R50	18K	18k		read from the schematic by eye
R51	100K	100k		read from the schematic by eye
R52	220K	220k		read from the schematic by eye
R53	7.5K	7.5k		read from the schematic by eye
R54	180K	180k		read from the schematic by eye
R55	100K	100k		read from the schematic by eye
R56	10K	10k		read from the schematic by eye
R57	22K	22k		read from the schematic by eye
R58	10K	10k		read from the schematic by eye
R59	100K	100k		read from the schematic by eye
Capacitors 23
C1	.01uF	10n		read from the schematic by eye
C2	1uF	1u		read from the schematic by eye
C3	.0068uF	6.8n		designator clash: C3 also drawn as 470pF after R31; read from the schematic by eye
C3b	470pF	470p		drawn as a second C3; read from the schematic by eye
C5	.005uF	5n		read from the schematic by eye
C7	.047uF	47n		read from the schematic by eye
C10	47uF	47u		electrolytic; read from the schematic by eye
C11	15uF	15u		non-polarized; read from the schematic by eye
C14	.047uF	47n		read from the schematic by eye
C15	.005uF	5n		read from the schematic by eye
C16	120pF	120p		designator clash: C16 also drawn as 25pF at the MN3101; read from the schematic by eye
C16b	25pF	25p		MN3101 clock cap; drawn as a second C16; read from the schematic by eye
C17	.001uF	1n		read from the schematic by eye
C18	.047uF	47n		read from the schematic by eye
C19	1uF	1u		electrolytic; read from the schematic by eye
C20	120pF	120p		read from the schematic by eye
C21	120pF	120p		read from the schematic by eye
C22	.0068uF	6.8n		read from the schematic by eye
C23	1uF	1u		electrolytic; read from the schematic by eye
C24	.047uF	47n		read from the schematic by eye
C25	10uF	10u		electrolytic; read from the schematic by eye
C26	10uF	10u		electrolytic; read from the schematic by eye
C27	4.7uF	4.7u		electrolytic; read from the schematic by eye
Diodes 6
D1	1N4001	1N4001		read from the schematic by eye
D2	1N4148	1N4148		read from the schematic by eye
D3	1N4148	1N4148		read from the schematic by eye
D4	1N4148	1N4148		read from the schematic by eye
D5	1N4148	1N4148		read from the schematic by eye
D6	1N4148	1N4148		read from the schematic by eye
Transistors 7
Q1	J113	J113		read from the schematic by eye
Q2	MPS4124	MPS4124		read from the schematic by eye
Q3	MPS4125	MPS4125		read from the schematic by eye
Q4	2N5088	2N5088		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	J113	J113		flanger on/off switch; read from the schematic by eye
ICs 7
U1	LM1458	LM1458		designator clash: the low-pass filter op amp is also labeled U1A but marked TL072; read from the schematic by eye
U1b	TL072	TL072		BBD clock low-pass filter op amp, drawn as a second U1A; read from the schematic by eye
U2	LF358	LF358		read from the schematic by eye
U3	MN3007	MN3007		1024-stage BBD; read from the schematic by eye
U4	MN3101	MN3101		BBD clock generator; read from the schematic by eye
U5	LM1458	LM1458		read from the schematic by eye
U6	4007	4007		CD4007 flip-flop for electronic switching; read from the schematic by eye
Potentiometers 4
Delay	100K	100k	Potentiometer	P6; read from the schematic by eye
Width	100K	100k	Potentiometer	P5; read from the schematic by eye
Regeneration	140K	140k	Potentiometer	P4; read from the schematic by eye
Speed	500K	500k	Potentiometer	P7; read from the schematic by eye
Trimmers 2
P2	50K	50k		BBD bias; read from the schematic by eye
P3	2K	2k		read from the schematic by eye
LEDs 1
×1	LED	LED		effect LED, no designator; read from the schematic by eye