Enclosure not stated · 3 knobs

Rocktek Phaser

Category: Phaser· Phasers
Controls: Resonance · Depth · Rate
Price: see vendor
Tags: Phasers

Open the schematic at Experimentalists Anonymous

Schematic

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Parts list 97 rows

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

IC1-IC3: drawn 6458D, probably a 4558D
Rate VR3: drawn 60K, an unusual pot value

Ref	Value	Normalized	Type	Notes
Resistors 53
R1	10K	10k		read from the schematic by eye
R2	470K	470k		read from the schematic by eye
R3	10K	10k		read from the schematic by eye
R4	47K	47k		read from the schematic by eye
R5	47K	47k		read from the schematic by eye
R6	100K	100k		read from the schematic by eye
R7	10K	10k		read from the schematic by eye
R8	1.1K	1.1k		read from the schematic by eye
R9	1.1K	1.1k		read from the schematic by eye
R10	10K	10k		read from the schematic by eye
R11	10K	10k		read from the schematic by eye
R12	100K	100k		read from the schematic by eye
R13	330K	330k		read from the schematic by eye
R14	330K	330k		read from the schematic by eye
R15	10K	10k		read from the schematic by eye
R16	10K	10k		read from the schematic by eye
R17	100K	100k		read from the schematic by eye
R18	330K	330k		read from the schematic by eye
R19	330K	330k		read from the schematic by eye
R20	10K	10k		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	330K	330k		read from the schematic by eye
R24	330K	330k		read from the schematic by eye
R25	10K	10k		read from the schematic by eye
R26	10K	10k		read from the schematic by eye
R27	100K	100k		read from the schematic by eye
R28	330K	330k		read from the schematic by eye
R29	330K	330k		read from the schematic by eye
R30	12K	12k		read from the schematic by eye
R31	22K	22k		read from the schematic by eye
R32	47K	47k		read from the schematic by eye
R33	47K	47k		read from the schematic by eye
R34	100K	100k		read from the schematic by eye
R35	1.1K	1.1k		read from the schematic by eye
R36	100K	100k		read from the schematic by eye
×1	100K	100k		second resistor also labeled R36 (designator clash), SWITCH line to ground at Q6; read from the schematic by eye
R37	2.2K	2.2k		read from the schematic by eye
R38	100K	100k		read from the schematic by eye
R39	1M	1M		read from the schematic by eye
R40	220	220		read from the schematic by eye
R41	220	220		read from the schematic by eye
R42	150K	150k		read from the schematic by eye
R43	470K	470k		read from the schematic by eye
R44	150K	150k		read from the schematic by eye
R45	4.7K	4.7k		read from the schematic by eye
R46	100K	100k		read from the schematic by eye
R47	220K	220k		read from the schematic by eye
R48	82K	82k		read from the schematic by eye
R49	27K	27k		read from the schematic by eye
R50	1M	1M		read from the schematic by eye
R51	4.7K	4.7k		read from the schematic by eye
R52	1.1K	1.1k		read from the schematic by eye
Capacitors 25
C1	.01uF	10n		read from the schematic by eye
C2	1uF	1u		read from the schematic by eye
C3	1uF	1u		read from the schematic by eye
C4	47p	47p		read from the schematic by eye
C5	.033uF	33n		read from the schematic by eye
C6	1uF	1u		read from the schematic by eye
C7	.0082u	8.2n		read from the schematic by eye
C8	.01uF	10n		read from the schematic by eye
C9	.0082u	8.2n		read from the schematic by eye
C10	.01uF	10n		read from the schematic by eye
C11	.0082u	8.2n		read from the schematic by eye
C12	.01uF	10n		read from the schematic by eye
C13	.0082u	8.2n		read from the schematic by eye
C14	.01uF	10n		read from the schematic by eye
C15	1uF	1u		read from the schematic by eye
C16	1uF	1u		read from the schematic by eye
C18	1uF	1u		read from the schematic by eye
C19	47pF	47p		read from the schematic by eye
C20	0.01uF	10n		read from the schematic by eye
C21	0.01uF	10n		read from the schematic by eye
C23	10uF	10u		read from the schematic by eye
C24	0.1uF	100n		read from the schematic by eye
C25	0.1uF	100n		read from the schematic by eye
C27	100uF	100u		read from the schematic by eye
C37	47pf	47p		read from the schematic by eye
Diodes 3
D2	1N4148	1N4148		read from the schematic by eye
ZD1	4.3V Zener	4V3		zener; read from the schematic by eye
ZD2	4.3V Zener	4V3		zener, sets Vbias; read from the schematic by eye
Transistors 6
Q1	?	?		NPN, no part number given; read from the schematic by eye
Q2	?	?		N-channel JFET, no part number given; read from the schematic by eye
Q3	?	?		N-channel JFET, no part number given; read from the schematic by eye
Q4	?	?		N-channel JFET, no part number given; read from the schematic by eye
Q5	?	?		N-channel JFET, no part number given; read from the schematic by eye
Q6	?	?		N-channel JFET, no part number given; read from the schematic by eye
ICs 5
IC1	6458D	6458D		dual op amp as drawn (likely 4558D); read from the schematic by eye
IC2	6458D	6458D		dual op amp as drawn (likely 4558D); read from the schematic by eye
IC3	6458D	6458D		dual op amp as drawn (likely 4558D); read from the schematic by eye
IC4	LA6358	LA6358		dual op amp, LFO; read from the schematic by eye
IC5	4027	4027		dual JK flip-flop, footswitch latch; read from the schematic by eye
Potentiometers 3
Resonance	10K	10k	Potentiometer	VR1; read from the schematic by eye
Depth	75K	75k	Potentiometer	VR2; read from the schematic by eye
Rate	60K	60k	Potentiometer	VR3, value as drawn; read from the schematic by eye
Trimmers 1
RT-1	100K	100k		read from the schematic by eye
LEDs 1
D1	LED	LED		read from the schematic by eye