Enclosure not stated · 3 knobs

Electro Harmonix V1 Triangle Big Muff 66#6 1970Verified

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

Category: Distortion
Controls: Sustain · Tone · Volume
Build: Vero· 19×17· 18 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 30 rows

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

4nF film cap at column 18 rows F-H: printed clearly, unusual value

Ref	Value	Normalized	Type	Notes
Resistors 10
×4	390K	390k		read from the layout by eye
×4	100K	100k		read from the layout by eye
×4	12K	12k		read from the layout by eye
×2	33K	33k		read from the layout by eye
×2	22K	22k		read from the layout by eye
×1	27K	27k		read from the layout by eye
×3	150Ω	150		read from the layout by eye
×1	1.5K	1.5k		read from the layout by eye
×1	2.7K	2.7k		read from the layout by eye
×1	1M	1M		read from the layout by eye
Capacitors 7
×6	1uF	1u		electrolytic; read from the layout by eye
×1	100uF	100u		electrolytic; read from the layout by eye
×2	100nF	100n		read from the layout by eye
×1	10nF	10n		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
×3	500pF	500p		read from the layout by eye
Diodes 5
D1	1N4148	1N4148		legend: 1N4148/1N914; read from the layout by eye
D2	1N4148	1N4148		legend: 1N4148/1N914; read from the layout by eye
D3	1N4148	1N4148		legend: 1N4148/1N914; read from the layout by eye
D4	1N4148	1N4148		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		wired between Tone 3 and the board (Switch 2); read from the layout by eye

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