Enclosure not stated · 1 knob
Electro Harmonix Little Big Muff - transistor versionVerified
Based on the Electro-Harmonix Little Big Muff· 2 other boards clone it
- Category
- Distortion
- Controls
- Volume
- Build
- Vero· 19×17· 15 cuts, 7 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Big Muff, Distortion, Electro Harmonix, Fuzz
From the post
Per request. The switch can be replaced with a tone control. Just omit 100k resistor at column 17 and replace the switch connections with the lugs of the 100k tone control.
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
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
- 430K at column 11 rows J-L: printed clearly, unusual value
- 43K at column 4 rows N-P: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×3 | 470K | 470k | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| ×2 | 8.2K | 8.2k | read from the layout by eye | |
| ×2 | 15K | 15k | read from the layout by eye | |
| ×2 | 39K | 39k | read from the layout by eye | |
| ×1 | 43K | 43k | read from the layout by eye | |
| ×1 | 430K | 430k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| Capacitors 6 | ||||
| ×6 | 100nF | 100n | read from the layout by eye | |
| ×3 | 560pF | 560p | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 3.9nF | 3.9n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N4148 | 1N4148 | read from the layout by eye | |
| D4 | 1N4148 | 1N4148 | read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5088 | 2N5088 | NPN silicon, probably 2N5088 or BC239C; read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | NPN silicon, probably 2N5088 or BC239C; read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | NPN silicon, probably 2N5088 or BC239C; read from the layout by eye | |
| Q4 | 2N5088 | 2N5088 | NPN silicon, probably 2N5088 or BC239C; read from the layout by eye | |
| Potentiometers 1 | ||||
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the Electro-Harmonix Little Big Muff
- EHX Little Big Muff Experimentalists Anonymous
- EHX Little Big Muff - Original version Tagboard Effects