Enclosure not stated · 3 knobs

Electro Harmonix V2 Ram's Head Big Muff 1973 Violet #1Verified

Based on the Electro-Harmonix Big Muff Pi· 73 other boards clone it

Category: Distortion
Controls: Sustain · Tone · Volume
Build: Vero· 19×17· 17 cuts, 5 links
Layout: Verified · Dirtbox Layouts marks it as built and working
Tags: Big Muff, Distortion, Electro Harmonix, Fuzz

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 25 rows

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Check before you build · 1 value the reader of this layout was not sure of

4nF at the right edge (column 18, rows F-H): printed clearly, unusual value

Ref	Value	Normalized	Type	Notes
Resistors 9
×4	470K	470k		read from the layout by eye
×3	100Ω	100		read from the layout by eye
×4	100K	100k		read from the layout by eye
×2	8.2K	8.2k		read from the layout by eye
×4	12K	12k		read from the layout by eye
×3	33K	33k		read from the layout by eye
×1	560Ω	560		read from the layout by eye
×1	1M	1M		read from the layout by eye
×1	2.7K	2.7k		read from the layout by eye
Capacitors 6
×8	100nF	100n		read from the layout by eye
×3	470pF	470p		read from the layout by eye
×1	6.8nF	6.8n		read from the layout by eye
×1	4nF	4n		read from the layout by eye
×1	10nF	10n		read from the layout by eye
×1	100uF	100u		electrolytic; read from the layout by eye
Diodes 2
×4	1N4148	1N4148		D1-D4; legend: 1N4148/1N914; read from the layout by eye
D5	1N5817	1N5817		read from the layout by eye
Transistors 4
Q1	FS36999	FS36999		read from the layout by eye
Q2	FS36999	FS36999		read from the layout by eye
Q3	FS36999	FS36999		read from the layout by eye
Q4	FS36999	FS36999		read from the layout by eye
Potentiometers 3
Sustain	B100K	B100k	Potentiometer	read from the layout by eye
Tone	B100K	B100k	Potentiometer	read from the layout by eye
Volume	B100K	B100k	Potentiometer	read from the layout by eye
Switches 1
Switch	SPST	SPST		toggle, to Tone 3; read from the layout by eye

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