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Base pedal: Mad Professor Simble Overdrive
The Mad Professor Simble is a Finnish boutique overdrive inspired by the Marshall-in-a-box tradition, celebrated for its dynamic touch sensitivity and natural amp-like feel — it cleans up beautifully with your guitar's volume knob and excels at that just-breaking-up sweet spot. Compared to the original's boutique price tag, building the Symbolic Overdrive is an attractive proposition for anyone chasing transparent, expressive drive.
Component Name | Type | Default Part | Qty |
|---|---|---|---|
| 820R | RESISTOR | MFR-25-820R | 2 |
| 1K | RESISTOR | 1 | |
| 4K7 | RESISTOR | 1 | |
| 8K2 | RESISTOR | MFR-25-8K2 | 1 |
| 10K | RESISTOR | 3 | |
| 18K | RESISTOR | MFR-25-18K | 1 |
| 22K | RESISTOR | 1 | |
| 33K | RESISTOR | 1 | |
| 56K | RESISTOR | 1 | |
| 470K | RESISTOR | 1 | |
| 2M2 | RESISTOR | 1 | |
| 47p Ceramic | CAPACITOR | 2 | |
| 1n Film | CAPACITOR | 1 | |
| 2n2 Film | CAPACITOR | 1 | |
| 8n2 Film | CAPACITOR | FILM-8N2 | 1 |
| 47n Film | CAPACITOR | 1 | |
| 100n Film | CAPACITOR | 2 | |
| 220n Film | CAPACITOR | 1 | |
| 220u Electrolytic | CAPACITOR | ELECTRO-16V-220U | 2 |
| TLC2272CP | IC | TLC2272CP | 1 |
| 2N7000 | TRANSISTOR | 2N7000 | 2 |
| 1N5817 | DIODE | 1N5817 | 1 |
| BAT41 | DIODE | BAT41 | 5 |
| B10K 16mm | POTENTIOMETER | 1 | |
| B50K 16mm | POTENTIOMETER | 1 | |
| A100K 16mm | POTENTIOMETER | 1 | |
| A1M 16mm | POTENTIOMETER | A1M-16MM | 1 |