Enclosure not stated · 4 knobs
VFE Pedals Pinball EQ
Based on the VFE Pinball EQ
From the post
Notice the custom made 100kC/10kC dual gang pots. 100kC dual gang pots can be used with a 10k reistor across lug 4 and 6.
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 24 rows
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Check before you build · 3 values the reader of this layout was not sure of
- 1.43K (two: column 7 top, column 13 bottom) and 1.4K (four: column 3 top left, columns 15-17 right) are both printed; the two values are distinct on the drawing, printed clearly, unusual values
- 143Ω (two: column 2 left, column 7 below centre): printed clearly, unusual value
- HPF and LPF pots: legend gives one dual-gang pot each with a 100kC section and a 10kC section; entered as C100K/C10K
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×2 | 1.43K | 1.43k | read from the layout by eye | |
| ×4 | 1.4K | 1.4k | read from the layout by eye | |
| ×2 | 143Ω | 143 | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×2 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 7 | ||||
| ×2 | 15nF | 15n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 150nF | 150n | read from the layout by eye | |
| ×2 | 1uF | 1u | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5819 | 1N5819 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | JRC4580DD | JRC4580DD | read from the layout by eye | |
| IC2 | JRC4580DD | JRC4580DD | read from the layout by eye | |
| Potentiometers 4 | ||||
| HPF | C100K/C10K | C100K/C10K | Potentiometer | dual: 100kC on lugs 1-3, 10kC on lugs 4-6; read from the layout by eye |
| LPF | C100K/C10K | C100K/C10K | Potentiometer | dual: 100kC on lugs 1-3, 10kC on lugs 4-6; read from the layout by eye |
| Tone | B1K | B1k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| dB Sw | DPDT on/off/on | DPDT ON/OFF/ON | toggle; read from the layout by eye | |