Enclosure not stated · 6 knobs
BAJA ENG Overdrive
Based on the BAJA ENG Overdrive· 1 other board clones it
- Category
- Preamp / Amp-in-a-box
- Build
- Vero· 23×26· 41 cuts, 17 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Amp Emulator, BAJA, DIY Designs, ENGL
From the post
Schematic and info HERE
Unverified
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 42 rows
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Check before you build · 1 value the reader of this layout was not sure of
- D1 by the 9v pad (top right): the legend names only 'D2: 1N5817' and no D1; taken as the same polarity-protection diode, 1N5817
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×7 | 10K | 10k | read from the layout by eye | |
| ×5 | 1M | 1M | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×1 | 8.2K | 8.2k | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×3 | 2.7K | 2.7k | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×3 | 560Ω | 560 | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 11 | ||||
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×1 | 390pF | 390p | read from the layout by eye | |
| ×2 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 15nF | 15n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×9 | 1uF | 1u | read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | legend lists it as D2: 1N5817; drawn as D1; read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2SK117 | 2SK117 | JFET; read from the layout by eye | |
| Q2 | 2SK117 | 2SK117 | JFET; read from the layout by eye | |
| Q3 | BC547B | BC547B | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL062 | TL062 | read from the layout by eye | |
| IC2 | TL062 | TL062 | read from the layout by eye | |
| IC3 | TL061 | TL061 | read from the layout by eye | |
| Potentiometers 6 | ||||
| High Mid | B250K | B250k | Potentiometer | read from the layout by eye |
| Treble | A1M | A1M | Potentiometer | read from the layout by eye |
| Bass | A1M | A1M | Potentiometer | read from the layout by eye |
| Low Mid | B20K | B20k | Potentiometer | read from the layout by eye |
| Gain | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | DPDT on/on | DPDT ON/ON | toggle, switches the tonestack; read from the layout by eye | |
Other boards based on the BAJA ENG Overdrive
- Baja ENG Overdrive Tagboard Effects · 125B