Enclosure not stated · 4 knobs
Grind Custom Fx / Juansolo Fx Ultra '78Verified
Based on the Grind Custom Fx Ultra '78· 1 other board clones it
- Category
- Distortion
- Build
- Vero· 19×18· 29 cuts, 10 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Big Muff, Distortion, Fuzz, Grind Custom Fx, Juansolo Fx
From the post
Verified by Convergent Sound
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 34 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×3 | 47K | 47k | read from the layout by eye | |
| ×2 | 47Ω | 47 | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×1 | 8.2K | 8.2k | read from the layout by eye | |
| ×1 | 820K | 820k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 560K | 560k | read from the layout by eye | |
| ×1 | 62K | 62k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| Capacitors 11 | ||||
| ×1 | 150pF | 150p | read from the layout by eye | |
| ×1 | 1.5nF | 1.5n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | 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 | 15nF | 15n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×2 | 1uF | 1u | read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×6 | 1N914 | 1N914 | D1-D6; read from the layout by eye | |
| D7 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 2 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | LM741 | LM741 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Sustain | B10K | B10k | Potentiometer | legend: try 50kA for more gain; read from the layout by eye |
| Toan | B100K | B100k | Potentiometer | read from the layout by eye |
| Shape | C500K | C500k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the Grind Custom Fx Ultra '78
- Grind Customs FX Ultra '78 Effects Layouts (blog) · 1590B