Enclosure not stated · 2 knobs
Roger Mayer SpitfireVerified
Based on the Roger Mayer Spitfire· 3 other boards clone it
From the post
For Fuzz Friday here's Roger Mayer's Spitfire. It's pretty similar to the Mongoose, but with a different transistor/IC pair and a few value changes. Apparently it sounds really good on chords and doesn't get too thick. Here's the schematic for reference.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 22 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×1 | 39Ω | 39 | read from the layout by eye | |
| ×2 | 2.2M | 2.2M | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 22pF | 22p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM301 | LM301 | printed on the chip, no designator; read from the layout by eye | |
| Potentiometers 2 | ||||
| Fuzz | C10K | C10k | Potentiometer | printed '10K Rev log'; read from the layout by eye |
| Volume | A50K | A50k | Potentiometer | printed '50K Log'; read from the layout by eye |
Other boards based on the Roger Mayer Spitfire
- Roger Mayer Spitfire Dirtbox Layouts
- Fire Breather Fuzz Fuzz Dog · 1590B · £28.80
- Roger Mayer Spitfire Tagboard Effects