Enclosure not stated · 3 knobs
DOD FX15 Swell PedalVerified
Based on the DOD FX15 Swell Pedal· 1 other board clones it
From the post
Requested and verified by AlexS
Original is a buffered effect with input and output connections wired straight to input and output jacks. But you can add a bypass switch, just connect input and output connections to the switch.
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 25 rows
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Check before you build · 2 values the reader of this layout was not sure of
- Cut/Boost and Decay pots: legend prints the taper as '100kW' (W taper), kept as W100K
- Switch: legend says 'SPDT Footswitch Momentary?' with a question mark, the author is unsure of the type
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×4 | 10K | 10k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| Capacitors 6 | ||||
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| Opto 1 | ||||
| OC1 | CLM50 | CLM50 | legend: or LDR 5K-1M/white LED; read from the layout by eye | |
| Potentiometers 3 | ||||
| Attack | C500K | C500k | Potentiometer | read from the layout by eye |
| Cut/Boost | W100K | W100k | Potentiometer | W taper as printed; read from the layout by eye |
| Decay | W100K | W100k | Potentiometer | W taper as printed; read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 5K | 5k | read from the layout by eye | |
| Switches 1 | ||||
| Switch | SPDT | SPDT | momentary footswitch; legend: SPDT Footswitch Momentary?; read from the layout by eye | |
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