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Base pedal: EHX Op-Amp Big Muff
The Op-Amp Big Muff is the outlier of the Muff family — harder, more aggressive, and significantly stiffer than its transistor cousins, famously the weapon of choice for Billy Corgan on Siamese Dream. Dream Fuzz puts that mid-scooped, almost distortion-like roar within reach of any builder.
Component Name | Type | Default Part | Qty |
|---|---|---|---|
| 47R | RESISTOR | MFR-25-47R | 2 |
| 1K2 | RESISTOR | MFR-25-1K2 | 1 |
| 4K7 | RESISTOR | 1 | |
| 5K6 | RESISTOR | MFR-25-5K6 | 1 |
| 8K2 | RESISTOR | MFR-25-8K2 | 1 |
| 10K | RESISTOR | 1 | |
| 47K | RESISTOR | 3 | |
| 56K | RESISTOR | 1 | |
| 62K | RESISTOR | MFR-25-62K | 1 |
| 100K | RESISTOR | 1 | |
| 220K | RESISTOR | 2 | |
| 330K | RESISTOR | 1 | |
| 470K | RESISTOR | 1 | |
| 560K | RESISTOR | 1 | |
| 820K | RESISTOR | MFR-25-820K | 1 |
| 1M | RESISTOR | 1 | |
| 150p Ceramic | CAPACITOR | CERAMIC-150P | 1 |
| 4n7 Film | CAPACITOR | 1 | |
| 10n Film | CAPACITOR | 1 | |
| 100n Film | CAPACITOR | 1 | |
| 120n Film | CAPACITOR | FILM-120N | 1 |
| 150n Film | CAPACITOR | 2 | |
| 220n Film | CAPACITOR | 1 | |
| 1u Electrolytic | CAPACITOR | ELECTRO-16V-1U | 2 |
| 4u7 Electrolytic | CAPACITOR | ELECTRO-16V-4U7 | 1 |
| 10u Electrolytic | CAPACITOR | ELECTRO-16V-10U | 1 |
| 220u Electrolytic | CAPACITOR | ELECTRO-16V-220U | 1 |
| LM741 | IC | LM741 | 1 |
| RC4558D | IC | RC4558D | 1 |
| 1N4148 | DIODE | 1N4148 | 6 |
| 1N5817 | DIODE | 1N5817 | 1 |
| 3mm Red | LED | LED-3MM-DIFFUSED-RED | 1 |
| B10K 16mm | POTENTIOMETER | 2 | |
| B100K 16mm | POTENTIOMETER | B100K-16MM | 1 |
| SPDT ON/ON | SWITCH | 1 |