Enclosure not stated · 3 knobs
Electro Harmonix "47" 1973 Rams Head Big MuffVerified
Based on the Electro-Harmonix Big Muff Pi· 73 other boards clone it
- Category
- Distortion
- 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, MOJO
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 32 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- C7 at column 8 row B: no value on the part, 47nF taken from the legend ('Stock value is 47nF')
- 4nF film cap at column 18 rows F-H: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×4 | 470K | 470k | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×4 | 12K | 12k | read from the layout by eye | |
| ×3 | 33K | 33k | read from the layout by eye | |
| ×2 | 7.5K | 7.5k | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | 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 9 | ||||
| ×6 | 470nF | 470n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 12nF | 12n | 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 | 470pF | 470p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| C7 | 47nF | 47n | value not printed on the part; legend: stock value is 47nF, try higher values for more sustain and low end; 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 | |
Other boards based on the Electro-Harmonix Big Muff Pi
- Halo Aion FX · 125B · $12.50
- Halo (Legacy) Aion FX · 1590B
- Dolmen Fuzz Coda Effects · 125B · €9.00
- 21th Century Big Muff Dirtbox Layouts
- EQD Acapulco Gold w. AMZ Big Muff tonestack & gain ctrl Dirtbox Layouts
- Electro Harmonic V1 Triangle Big Muff 66#8 "3uF Muff" 1970 Dirtbox Layouts
- Electro Harmonix Bass Big Muff Dirtbox Layouts
- Electro Harmonix Big Muff Ram's Head Reissue Dirtbox Layouts
- Electro Harmonix Deluxe Big Muff - EH3054C version Dirtbox Layouts
- Electro Harmonix V1 Triangle Big Muff 1970 First PCB version Dirtbox Layouts
- Electro Harmonix V1 Triangle Big Muff 66#11 1971 "Green Cap" Dirtbox Layouts
- Electro Harmonix V1 Triangle Big Muff 66#5 - 1969 perfboard version Dirtbox Layouts
- Electro Harmonix V1 Triangle Big Muff 66#6 1970 Dirtbox Layouts
- Electro Harmonix V1 Triangle Big Muff 72#2 1972 Dirtbox Layouts
- Electro Harmonix V2 Big Muff Ram's Head "White Can version" 1974 Dirtbox Layouts
- Electro Harmonix V2 Ram's Head Big Muff 1973 Violet #1 Dirtbox Layouts
- Electro Harmonix V2 Ram's Head Big Muff 1976 PNP Dirtbox Layouts
- Electro Harmonix V3 Big Muff - Tone bypass version Dirtbox Layouts
- Electro Harmonix V6 Big Muff 1979-1984 Dirtbox Layouts
- Electro Harmonix V9 2000 Reissue Big Muff Dirtbox Layouts
- Elk Gakki Big Muff Super Fuzz Sustainar Dirtbox Layouts
- Sekova Big Muff Model 2015 Dirtbox Layouts
- Green Russian Big Muff EfektPol
- Chaos Bolt Effects Layouts · 125B · $10.00
- Triangulus Effects Layouts · $6.00
- Widogast Fuzz Effects Layouts · 125B · $12.00
- EHX Big Muff - Green Russian Effects Layouts (blog) · 1590B
- EHX Big Muff - Triangle Effects Layouts (blog) · 1590B
- Electro Harmonix Big Muff - 1590a Effects Layouts (blog) · 1590A
- Electro Harmonix Ram's Head Big Muff Effects Layouts (blog)
- Electro Harmonix Triangle Big Muff (again) Effects Layouts (blog)
- Electro-Harmonix Big Muff π Effects Layouts (blog) · 1590B
- Electro Harmonix Big Muff Pi Experimentalists Anonymous
- EHX Big Muff Pi General Guitar Gadgets · $15.00
- EHX Big Muff Pi IC Opamp General Guitar Gadgets · $15.00
- Big Muff Guitar-Electronics.eu · €6.25
- Small Muffin Fuzz HotKits · 1590B · $6.00
- Scuba Muff JMK PCBs · $6.00
- ScareBear Madbean · 1590B · $10.00
- Helvetica 92 Mask Audio Electronics · 1590BB · $9.00
- Titan Mask Audio Electronics · 125B · $6.00
- Large Beaver New York Moody Sounds · kr795.00
- Large Beaver Rams Head Moody Sounds · kr995.00
- Large Beaver Triangle Moody Sounds · kr795.00
- Li'l Beaver NYC Moody Sounds · kr695.00
- Li'l Beaver OP amp Moody Sounds · kr695.00
- Lil Beaver Triangle Moody Sounds · kr695.00
- BMP OP Electronics · 125B · €2.00
- Muff of Doom OP Electronics · 1590BB · €3.00
- Big Muff PCBWay: Glory to Ukraine
- Big Muff (nano size) PCBWay: Glory to Ukraine
- Muffin Fuzz PedalPCB · 125B · $12.00
- Electro-Harmonix Big Muff Pi Revolution Deux
- Tufted Puffin Fuzz RWL Pedals · 125B
- Bigger Muff Sheepylove on GitHub
- 21st Century Big Muff Tagboard Effects
- EHX 66 Triangle Big Muff Tagboard Effects
- EHX 73 Rams Head Big Muff Tagboard Effects
- EHX Big Muff Pi with Tone Wicker Tagboard Effects
- EHX Black Russian Big Muff V8 Tagboard Effects
- EHX Civil War Big Muff Tagboard Effects
- EHX Germanium4 Big Muff Pi Tagboard Effects · 1590B
- EHX Green Russian Big Muff Tagboard Effects
- EHX NYC Big Muff Tagboard Effects
- One Knob Big Muff Tagboard Effects
- Sekova Big Muff Model 2015 Tagboard Effects
- Big Muff Tayda Electronics (DHEA) · $9.00
- Big Muff Fuzz SMD Tayda Electronics (DHEA) · $12.00
- Big Muff Pi Tonepad · $12.00
- Big Muff Pi with AMZ presence control turretboard.org
- Electro-Harmonix Big Muff Pi (Triangle) turretboard.org
- Electro-Harmonix Big Muff Pi Ram's Head turretboard.org
- J Mascis Red & Black Big Muff turretboard.org