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Ibanez Standard Wah Fuzz (fuzz section)

Category: Fuzz
Controls: Fuzz · Volume
Price: see vendor

Read the post at Revolution Deux Schematic image

From the vendor

The fuzz section of the Ibanez Standard Wah Fuzz, a close relative of the Super-Fuzz. A 2SK30A JFET input stage replaces the Super-Fuzz's two-transistor input, then the same phase splitter, long-tailed pair octave rectifier, germanium diode clipping, switched tone filter and output transistor follow.

Schematic

The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.

Parts list 48 rows

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

The two 100KB pots are not named on the drawing; the first (after the JFET) is taken as the fuzz control and the second (before the output stage) as volume.
The germanium diodes have no part number.

Ref	Value	Normalized	Type	Notes
Resistors 24
R1	100K	100k		read from the schematic by eye
R2	10K	10k		read from the schematic by eye
R3	3K	3k		read from the schematic by eye
R4	100K	100k		read from the schematic by eye
R5	510K	510k		read from the schematic by eye
R6	10K	10k		read from the schematic by eye
R7	10K	10k		read from the schematic by eye
R8	1K	1k		read from the schematic by eye
R9	1K	1k		read from the schematic by eye
R10	150K	150k		read from the schematic by eye
R11	22K	22k		read from the schematic by eye
R12	10K	10k		read from the schematic by eye
R13	150K	150k		read from the schematic by eye
R14	22K	22k		read from the schematic by eye
R15	1.5K	1.5k		read from the schematic by eye
R16	22K	22k		read from the schematic by eye
R17	10K	10k		read from the schematic by eye
R18	47K	47k		read from the schematic by eye
R19	100K	100k		read from the schematic by eye
R20	100K	100k		read from the schematic by eye
R21	15K	15k		read from the schematic by eye
R22	10K	10k		read from the schematic by eye
R23	1K	1k		read from the schematic by eye
R24	100K	100k		output pulldown; read from the schematic by eye
Capacitors 14
C1	10u	10u		electrolytic, input; read from the schematic by eye
C2	10u	10u		electrolytic; read from the schematic by eye
C3	10u	10u		electrolytic; read from the schematic by eye
C4	10u	10u		electrolytic; read from the schematic by eye
C5	10u	10u		electrolytic; read from the schematic by eye
C6	10u	10u		electrolytic; read from the schematic by eye
C7	10u	10u		electrolytic; read from the schematic by eye
C8	10u	10u		electrolytic; read from the schematic by eye
C9	10u	10u		electrolytic; read from the schematic by eye
C10	3.3n	3.3n		read from the schematic by eye
C11	22n	22n		read from the schematic by eye
C12	100n	100n		read from the schematic by eye
C13	10u	10u		electrolytic; read from the schematic by eye
C14	10u	10u		electrolytic; read from the schematic by eye
Diodes 2
D1	?	?		germanium; read from the schematic by eye
D2	?	?		germanium; read from the schematic by eye
Transistors 5
Q1	2SK30A	2SK30A		JFET; read from the schematic by eye
Q2	2SC828	2SC828		read from the schematic by eye
Q3	2SC828	2SC828		read from the schematic by eye
Q4	2SC828	2SC828		read from the schematic by eye
Q5	2SC828	2SC828		read from the schematic by eye
Potentiometers 2
Fuzz	B100K	B100k	Potentiometer	unnamed on the drawing; read from the schematic by eye
Volume	B100K	B100k	Potentiometer	unnamed on the drawing; read from the schematic by eye
Switches 1
Tone	SPDT	SPDT		tone switch; read from the schematic by eye