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Base pedal: InterFax Harmonic Percolator
The InterFax Harmonic Percolator is a peculiarly-voiced early-'70s fuzz built around a mismatched NPN/PNP transistor pair, producing asymmetric clipping with a raw, spluttery bite unlike almost anything else — famously embraced by Steve Albini and the noise-rock world. The Percolation Station is your chance to build this genuinely weird, characterful circuit without hunting down a scarce original.
Component Name | Type | Default Part | Qty |
|---|---|---|---|
| 4K7 | RESISTOR | 2 | |
| 20K | RESISTOR | MFR-25-20K | 1 |
| 91K | RESISTOR | MFR-25-91K | 1 |
| 220K | RESISTOR | 1 | |
| 750K | RESISTOR | MFR-25-750K | 1 |
| 100p Ceramic | CAPACITOR | CERAMIC-100P | 1 |
| 50n Film | CAPACITOR | FILM-50N | 1 |
| 100n Film | CAPACITOR | 2 | |
| 47u Electrolytic | CAPACITOR | ELECTRO-16V-47U | 2 |
| 2N3565 | TRANSISTOR | 2N3565 | 1 |
| 2N404A | TRANSISTOR | 2N404A | 1 |
| 1N5817 | DIODE | 1N5817 | 1 |
| GE | DIODE | 2 | |
| A50K 16mm | POTENTIOMETER | 1 | |
| A100K 16mm | POTENTIOMETER | 1 |