1590B · 7 knobs
MI Audio Tube ZoneVerified
Based on the MI Audio Tube Zone· 2 other boards clone it
From the post
Now, for those who want a challenge with their 1590B enclosures..
edit: There was a slight error on the schematic i did this from. Layout updated...
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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 34 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×4 | 100K | 100k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 8.2M | 8.2M | read from the layout by eye | |
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| Capacitors 9 | ||||
| ×5 | 22nF | 22n | read from the layout by eye | |
| ×4 | 220nF | 220n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N4148 | 1N4148 | read from the layout by eye | |
| D4 | 1N4148 | 1N4148 | read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| Q2 | BC549C | BC549C | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM833 | LM833 | read from the layout by eye | |
| Potentiometers 7 | ||||
| Char | C10K | C10k | Potentiometer | read from the layout by eye |
| Drive | A50K | A50k | Potentiometer | dual; read from the layout by eye |
| Tone | A100K | A100k | Potentiometer | read from the layout by eye |
| Mid | A100K | A100k | Potentiometer | read from the layout by eye |
| Bright | C10K | C10k | Potentiometer | read from the layout by eye |
| Presence | B20K | B20k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
Other boards based on the MI Audio Tube Zone
- MI Audio Tube Zone Effects Layouts (blog) · 1590BB
- Valve Stem Overdrive PedalPCB · 1590BB · $12.00