Enclosure not stated · 3 knobs
Bixonic ExpandoraVerified
Based on the Bixonic Expandora· 7 other boards clone it
- Category
- Distortion
- Build
- Vero· 24×20· 38 cuts, 17 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Bixonic, Distortion
From the post
Schematic avaiable 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 36 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- 1.1K x3 (near IC2 left, below IC4, top right by 100K): printed clearly, unusual value
- 43K left of IC1 and 51K above Q1: printed clearly, unusual values
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×2 | 47Ω | 47 | read from the layout by eye | |
| ×2 | 560Ω | 560 | read from the layout by eye | |
| ×3 | 1.1K | 1.1k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 43K | 43k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 51K | 51k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×1 | 820K | 820k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×3 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 11 | ||||
| ×2 | 33pF | 33p | read from the layout by eye | |
| ×1 | 100pF | 100p | 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 | 22nF | 22n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 1uF | 1u | film box; read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×2 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N914 | 1N914 | D1-D3; read from the layout by eye | |
| D4 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N3906 | 2N3906 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | LM308N | LM308N | read from the layout by eye | |
| IC2 | LM308N | LM308N | read from the layout by eye | |
| IC3 | JRC4558 | JRC4558 | read from the layout by eye | |
| Opto 1 | ||||
| IC4 | H11F1 | H11F1 | notice orientation of IC4; read from the layout by eye | |
| Potentiometers 3 | ||||
| Tone | C100K | C100k | Potentiometer | read from the layout by eye |
| Gain | B1M | B1M | Potentiometer | read from the layout by eye |
| Level | B1M | B1M | Potentiometer | read from the layout by eye |
| Switches 2 | ||||
| Sw A | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Sw B | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
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