125B · 5 knobs
PedalPCB· PCB297
Seyfoam Overdrive
Based on the Seymour Duncan 805 Overdrive· 1 other board clones it
- Category
- Fuzz· OD / Distortion / Fuzz
- Price
- $12.00in stock
- Tags
- 125B
From the vendor
Controls
• Level
• Drive
• Treble
• Mid
• Bass
Details
• Designed for a 125B enclosure with top-mounted jacks
The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Seymour Duncan, maker of the Seymour Duncan 805 Overdrive.
PedalPCB is not affiliated with Seymour Duncan.
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
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| 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 | |
Other boards based on the Seymour Duncan 805 Overdrive
- Seymour Duncan 805 Overdrive Dirtbox Layouts