Enclosure not stated · 3 knobs
Broughton High + Low Pass FilterVerified
Based on the Broughton Audio Low + High Pass Filter· 2 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 20 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 2M ×2 (cols 4 and 12): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×1 | 47Ω | 47 | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×3 | 1.8K | 1.8k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 15K | 15k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×2 | 2M | 2M | read from the layout by eye | |
| Capacitors 5 | ||||
| ×3 | 3.3nF | 3.3n | read from the layout by eye | |
| ×2 | 56nF | 56n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 3 | ||||
| High Pass | A100K | A100k | Potentiometer | dual; read from the layout by eye |
| Low Pass | A100K | A100k | Potentiometer | dual; read from the layout by eye |
| Gain | A50K | A50k | Potentiometer | read from the layout by eye |
Other boards based on the Broughton Audio Low + High Pass Filter
- HiLo Fuzz Dog · 1590B · £33.60
- Frequency Interchange Filter PedalPCB · 125B · $12.00