Enclosure not stated · 3 knobs

Electro Harmonix Badstone 1

Based on the Electro-Harmonix Badstone 1

Category: Phaser· Phasers
Controls: Feedback · Manual Shift · Rate
Price: see vendor
Tags: Phasers

Open the schematic at Experimentalists Anonymous

Schematic

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Parts list 81 rows

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

C13: '1µ5 TAN' - 1u or 1.5u tantalum
R45: designator used twice (10K and 6.8K)

Ref	Value	Normalized	Type	Notes
Resistors 52
R2	4.7K	4.7k		read from the schematic by eye
R3	10K	10k		read from the schematic by eye
R4	82Ω	82		read from the schematic by eye
R5	4.7K	4.7k		read from the schematic by eye
R6	330Ω	330		read from the schematic by eye
R7	100K	100k		read from the schematic by eye
R8	2.7K	2.7k		read from the schematic by eye
R9	2.2K	2.2k		read from the schematic by eye
R10	4.7K	4.7k		read from the schematic by eye
R11	510Ω	510		read from the schematic by eye
R12	4.7K	4.7k		read from the schematic by eye
R13	4.7K	4.7k		read from the schematic by eye
R14	4.7K	4.7k		read from the schematic by eye
R15	27K	27k		read from the schematic by eye
R16	27K	27k		read from the schematic by eye
R17	27K	27k		read from the schematic by eye
R18	4.7K	4.7k		read from the schematic by eye
R19	4.7K	4.7k		read from the schematic by eye
R20	4.7K	4.7k		read from the schematic by eye
R21	3.3K	3.3k		read from the schematic by eye
R22	510Ω	510		read from the schematic by eye
R23	27K	27k		read from the schematic by eye
R24	27K	27k		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	1K	1k		read from the schematic by eye
R28	4.7K	4.7k		read from the schematic by eye
R29	470Ω	470		read from the schematic by eye
R30	4.7K	4.7k		read from the schematic by eye
R31	1K	1k		read from the schematic by eye
R32	4.7K	4.7k		read from the schematic by eye
R33	4.7K	4.7k		read from the schematic by eye
R34	4.7K	4.7k		read from the schematic by eye
R35	4.7K	4.7k		read from the schematic by eye
R36	27K	27k		read from the schematic by eye
R37	27K	27k		read from the schematic by eye
R38	470Ω	470		read from the schematic by eye
R39	10K	10k		read from the schematic by eye
R40	2.7K	2.7k		read from the schematic by eye
R41	27K	27k		read from the schematic by eye
R42	27K	27k		read from the schematic by eye
R44	6.8K	6.8k		read from the schematic by eye
R45	10K	10k		read from the schematic by eye
R45	6.8K	6.8k		drawing labels two resistors R45 (10K at Q1 emitter side, 6.8K at collector side); read from the schematic by eye
R46	15K	15k		read from the schematic by eye
R47	100K	100k		read from the schematic by eye
R48	27K	27k		read from the schematic by eye
R49	100K	100k		read from the schematic by eye
R50	100Ω	100		read from the schematic by eye
×1	47K	47k		no designator; input side, from point A to ground; read from the schematic by eye
×1	470	470		no designator; C15 to ground; read from the schematic by eye
×1	150Ω	150		no designator; in series with .1u from B1 inverting input; read from the schematic by eye
Capacitors 16
C1	.047uF	47n		read from the schematic by eye
C3	100uF	100u		16V electrolytic; read from the schematic by eye
C5	.047uF	47n		read from the schematic by eye
C6	.047uF	47n		read from the schematic by eye
C7	.047uF	47n		read from the schematic by eye
C8	10uF	10u		16V electrolytic; read from the schematic by eye
C9	.047uF	47n		read from the schematic by eye
C10	1uF	1u		25V electrolytic; read from the schematic by eye
C11	.047uF	47n		read from the schematic by eye
C12	.047uF	47n		read from the schematic by eye
C13	1u5	1.5u		tantalum; written '1µ5 TAN', could be 1u or 1.5u; read from the schematic by eye
C14	.1uF	100n		read from the schematic by eye
C15	.01uF	10n		read from the schematic by eye
C16	500uF	500u		15V electrolytic; read from the schematic by eye
×1	4.7uF	4.7u		no designator; electrolytic at point A (bypass switch); read from the schematic by eye
×1	.1uF	100n		no designator; with 150 ohm from B1 inverting input; read from the schematic by eye
Diodes 1
D1	Diode	DIODE		no part number given; in LFO (F4); read from the schematic by eye
Transistors 1
Q1	2n5088	2N5088		read from the schematic by eye
ICs 6
A	4558	4558		dual op-amp (A1, A2); read from the schematic by eye
B	4558	4558		dual op-amp (B1, B2); read from the schematic by eye
C	4558	4558		dual op-amp (C1, C2); read from the schematic by eye
D	4558	4558		dual op-amp (D1, D2); read from the schematic by eye
E	4009	4009		CMOS hex inverter used as the phase-stage bias; read from the schematic by eye
F	LM324	LM324		quad op-amp (F1-F4); read from the schematic by eye
Potentiometers 3
Feedback	100k	100k	Potentiometer	R51; read from the schematic by eye
Manual Shift	100K	100k	Potentiometer	R52; manual shift pedal (expression); read from the schematic by eye
Rate	1M	1M	Potentiometer	R53; read from the schematic by eye
Switches 2
Color	SPST	SPST		color switch, 'for pedal only'; read from the schematic by eye
Auto/Manual	SPDT	SPDT		slide or foot switch, auto/manual; read from the schematic by eye