1590B · 3 knobs
Muff Opportunity
Based on the Electro-Harmonix Op-Amp Big Muff Pi· 18 other boards clone it
- Category
- Fuzz
- Price
- $9.00in stock
From the vendor
A clone of the Big Muff Pi opamp versions which were released around 1978-1980. This circuit is often attributed to the “sound” of the Smashing Pumpkins. Check out the BUILD DOC for more info!
Schematic
The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 43 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 18 | ||||
| R1 | 1M | 1M | ||
| R2 | 56k | 56k | ||
| R3 | 330k | 330k | ||
| R4 | 10k | 10k | ||
| R5 | 47k | 47k | ||
| R6 | 560k | 560k | ||
| R7 | 62k | 62k | ||
| R8 | 47R | 47 | ||
| R9 | 8k2 | 8.2k | ||
| R10 | 470k | 470k | ||
| R11 | 5k6 | 5.6k | ||
| R12 | 1k2 | 1.2k | ||
| R13 | 100k | 100k | ||
| R14 | 47R | 47 | ||
| R15 | 220k | 220k | ||
| R16 | 220k | 220k | ||
| R17 | 820k | 820k | ||
| R18 | 1M | 1M | ||
| Capacitors 13 | ||||
| C1 | 150n | 150n | ||
| C2 | 10n | 10n | ||
| C3 | 4n7 | 4.7n | ||
| C4 | 10uF | 10u | ||
| C5 | 4u7 | 4.7u | ||
| C6 | 150pF | 150p | ||
| C7 | 1uF | 1u | ||
| C8 | 100n | 100n | ||
| C9 | 120n | 120n | ||
| C10 | 100uF | 100u | ||
| C11 | 100uF | 100u | ||
| C12 | 1uF | 1u | ||
| C13 | 220n | 220n | ||
| Diodes 7 | ||||
| D1 | 1n914 | 1N914 | ||
| D2 | 1n914 | 1N914 | ||
| D3 | 1n914 | 1N914 | ||
| D4 | 1n914 | 1N914 | ||
| D5 | 1n914 | 1N914 | ||
| D6 | 1n914 | 1N914 | ||
| D7 | 1n4001 | 1N4001 | ||
| ICs 2 | ||||
| IC1 | 4558 | 4558 | ||
| IC2 | LM741 | LM741 | ||
| Potentiometers 3 | ||||
| SUSTAIN | B10K | B10k | Potentiometer | |
| TOAN | B10K | B10k | Potentiometer | |
| VOL | B50K | B50k | Potentiometer | |
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