Enclosure not stated · 3 knobs
Electro Harmonix V1 Triangle Big Muff 66#11 1971 "Green Cap"Verified
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
From the post
One of the more common of all the Triangle variants, easily identified by large green film caps which usually was 120nF or 100nF.
Compact layout
And a "mojo" layout in the vein of vintage units with 0,5w carbon composition resistors. The brave one could fit it in a 1250b enclosure.
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
- 4nF at column 18, rows F-H: printed clearly, unusual value
- 500pF x2 (columns 4 and 19): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×4 | 100K | 100k | read from the layout by eye | |
| ×3 | 470K | 470k | read from the layout by eye | |
| ×1 | 390K | 390k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 15K | 15k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 8.2K | 8.2k | 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 | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| Capacitors 7 | ||||
| ×4 | 120nF | 120n | read from the layout by eye | |
| ×4 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 500pF | 500p | 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 | |
| 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 | 2N5133 | 2N5133 | read from the layout by eye | |
| Q2 | 2N5133 | 2N5133 | read from the layout by eye | |
| Q3 | 2N5133 | 2N5133 | read from the layout by eye | |
| Q4 | 2N5133 | 2N5133 | 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 | tone bypass; read from the layout by eye | |
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