Enclosure not stated · 3 knobs
EHX Big Muff 2 - Vintage Bob Mayer versionVerified
Based on the Electro-Harmonix Big Muff Pi 2· 8 other boards clone it
- Category
- Distortion
- Build
- Vero· 19×18· 20 cuts, 11 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Big Muff, Bob Mayer, Distortion, Electro Harmonix, Fuzz
From the post
Schematic is avaiable HERE. Two thumbs up to Lacesensor at Gigahearts Fx for doing most of the footwork for the trace.
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 21 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- 500pF ×3 (ceramics beside each diode pair): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×6 | 470K | 470k | read from the layout by eye | |
| ×4 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×2 | 27K | 27k | read from the layout by eye | |
| ×2 | 270K | 270k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 7 | ||||
| ×3 | 500pF | 500p | read from the layout by eye | |
| ×3 | 4.7nF | 4.7n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×4 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×6 | 1N4148 | 1N4148 | D1-D6; read from the layout by eye | |
| D7 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | 4558 | 4558 | 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 |
Other boards based on the Electro-Harmonix Big Muff Pi 2
- Electro Harmonix / JHS Pedals Big Muff 2 Dirtbox Layouts
- EHX/JHS Big Muff 2 Effects Layouts (blog) · 1590B
- BMP2 Fuzz Dog · 1590B · £36.00
- GIG BUFF v1.3 Gigahearts FX · 125B · £10.00
- GIG BUFF v2.0 Gigahearts FX · 125B · £10.00
- GIG BUFF v3.0 Modders Edition Gigahearts FX · 125B · £12.50
- Big Muff 2 PCBWay: Glory to Ukraine
- Red Muffin Fuzz PedalPCB · 125B · $12.00