125B · 5 knobs
PedalPCB· PCB297
Seyfoam Overdrive
Based on the Seymour Duncan 805
- Category
- Fuzz· OD / Distortion / Fuzz
- Controls
- Level · Drive · Treble · Mid · Bass
- Price
- $12.00in stock
- Tags
- 125B
From the vendor
Controls
• Level
• Drive
• Treble
• Mid
• Bass
Specifications
• Designed for a 125B enclosure with top-mounted jacks
Documentation
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 65 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 29 | ||||
| R1 | 1K | 1k | ||
| R2 | 1M | 1M | ||
| R3 | 10K | 10k | ||
| R4 | 100K | 100k | ||
| R5 | 3K3 | 3.3k | ||
| R6 | 470R | 470 | ||
| R7 | 10K | 10k | ||
| R9 | 10K | 10k | ||
| R10 | 4K7 | 4.7k | ||
| R11 | 36K | 36k | ||
| R12 | 1M | 1M | ||
| R13 | 10K | 10k | ||
| R14 | 1K | 1k | ||
| R15 | 100K | 100k | ||
| R16 | 47K | 47k | ||
| R17 | 47K | 47k | ||
| R20 | 180K | 180k | ||
| R21 | 18K | 18k | ||
| R23 | 1K8 | 1.8k | ||
| R24 | 100K | 100k | ||
| R25 | 2K6 | 2.6k | ||
| R26 | 16K2 | 16.2k | ||
| R27 | 100K | 100k | ||
| R28 | 2K6 | 2.6k | ||
| R29 | 16K2 | 16.2k | ||
| R30 | 150K | 150k | ||
| R31 | 392K | 392k | ||
| R33 | 1M | 1M | ||
| R100 | 4K7 | 4.7k | ||
| Capacitors 20 | ||||
| C1 | 47n | 47n | ||
| C2 | 220p | 220p | ||
| C3 | 18n | 18n | ||
| C4 | 470n | 470n | ||
| C5 | 100p | 100p | ||
| C6 | 4n7 | 4.7n | ||
| C7 | 680p | 680p | ||
| C8 | 1u | 1u | ||
| C9 | 47n | 47n | ||
| C10 | 1u | 1u | ||
| C11 | 47u | 47u | ||
| C12 | 47u | 47u | ||
| C13 | 10u | 10u | ||
| C14 | 220n | 220n | ||
| C15 | 47n | 47n | ||
| C16 | 47n | 47n | ||
| C17 | 3n3 | 3.3n | ||
| C18 | 18n | 18n | ||
| C19 | 1n2 | 1.2n | ||
| C20 | 100n | 100n | ||
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | ||
| D2 | 1N4148 | 1N4148 | ||
| D5 | 1N4148 | 1N4148 | ||
| D6 | 1N4148 | 1N4148 | ||
| D100 | 1N5817 | 1N5817 | ||
| Transistors 5 | ||||
| Q1 | MPSA18 | MPSA18 | ||
| Q2 | MPSA18 | MPSA18 | ||
| Q4 | MPSA18 | MPSA18 | ||
| Q5 | MPSA18 | MPSA18 | ||
| Q6 | MPSA18 | MPSA18 | ||
| ICs 1 | ||||
| IC1 | MC33178 | MC33178 | ||
| Potentiometers 5 | ||||
| LEVEL | B10K | B10k | Potentiometer | |
| DRIVE | A100K | A100k | Potentiometer | |
| TREBLE | B20K | B20k | Potentiometer | |
| MID | B20K | B20k | Potentiometer | |
| BASS | B20K | B20k | Potentiometer | |