Enclosure not stated · 4 knobs
Boss BF-2 Flanger
Based on the Boss BF-2 Flanger· 4 other boards clone it
From the post
Schematic is avaiable HERE.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 68 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 5pF ceramic at column 32, rows AC-AD: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 20 | ||||
| ×14 | 10K | 10k | read from the layout by eye | |
| ×7 | 47K | 47k | read from the layout by eye | |
| ×5 | 4.7K | 4.7k | read from the layout by eye | |
| ×4 | 33K | 33k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×3 | 220K | 220k | read from the layout by eye | |
| ×2 | 330K | 330k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 82K | 82k | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 180K | 180k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 23 | ||||
| ×1 | 5pF | 5p | read from the layout by eye | |
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×2 | 150pF | 150p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 3.9nF | 3.9n | read from the layout by eye | |
| ×2 | 6.8nF | 6.8n | read from the layout by eye | |
| ×1 | 8.2nF | 8.2n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 12nF | 12n | read from the layout by eye | |
| ×2 | 33nF | 33n | read from the layout by eye | |
| ×4 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×2 | 1uF | 1u | film; read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×4 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×2 | 33uF | 33u | electrolytic; read from the layout by eye | |
| ×3 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N914 | 1N914 | read from the layout by eye | |
| D2 | 1N914 | 1N914 | read from the layout by eye | |
| D3 | 1N914 | 1N914 | read from the layout by eye | |
| D4 | 1N914 | 1N914 | read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 7 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q4 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q5 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q6 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q7 | 2N5088 | 2N5088 | read from the layout by eye | |
| ICs 6 | ||||
| IC1 | JRC4558D | JRC4558D | read from the layout by eye | |
| IC2 | JRC4558D | JRC4558D | read from the layout by eye | |
| IC3 | MN3207 | MN3207 | read from the layout by eye | |
| IC4 | MN3102 | MN3102 | read from the layout by eye | |
| IC5 | TL022 | TL022 | read from the layout by eye | |
| REG | 78L05 | 78L05 | regulator; read from the layout by eye | |
| Potentiometers 4 | ||||
| Speed | C250K | C250k | Potentiometer | read from the layout by eye |
| Manual | B50K | B50k | Potentiometer | read from the layout by eye |
| Depth | B50K | B50k | Potentiometer | read from the layout by eye |
| Resonance | C50K | C50k | Potentiometer | read from the layout by eye |
| Trimmers 3 | ||||
| Res. | 22K | 22k | read from the layout by eye | |
| Clock | 500K | 500k | read from the layout by eye | |
| Bias | 22K | 22k | read from the layout by eye | |
Other boards based on the Boss BF-2 Flanger
- Aerolith Aion FX · 125B · $16.00
- BOSS BF-2 Experimentalists Anonymous
- BF2 Flanger Guitar-Electronics.eu · €9.75
- Fraudhacker Madbean · 1590BB · $14.00