Enclosure not stated · 5 knobs
BAJA VH4 Overdrive w tonestack
Based on the BAJA VH4 Overdrive w tonestack
- Category
- Preamp / Amp-in-a-box
- Build
- Vero· 24×26· 38 cuts, 15 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Amp Emulator, BBE, Diezel, DIY Designs
From the post
Schematic and info 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 41 rows
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Check before you build · 1 value the reader of this layout was not sure of
- Bass pot: legend prints '1mA', read as A1M
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×6 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×3 | 2.7K | 2.7k | read from the layout by eye | |
| ×3 | 4.7K | 4.7k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×4 | 1M | 1M | read from the layout by eye | |
| ×2 | 1.5M | 1.5M | read from the layout by eye | |
| Capacitors 13 | ||||
| ×2 | 220pF | 220p | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 560pF | 560p | read from the layout by eye | |
| ×1 | 1.2nF | 1.2n | read from the layout by eye | |
| ×1 | 6.8nF | 6.8n | 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 | |
| ×2 | 22nF | 22n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×7 | 1uF | 1u | read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic, bipolar (BP); read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic, bipolar (BP); read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | 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 5 | ||||
| Treble | B250K | B250k | Potentiometer | read from the layout by eye |
| Bass | A1M | A1M | Potentiometer | read from the layout by eye |
| Mid | B25K | B25k | 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 2 | ||||
| Tone Bypass | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Channel | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |