Enclosure not stated · 5 knobs
Nobels ODR-B - Bass OverdriveVerified
Based on the Nobels ODR-B - Bass Overdrive· 1 other board clones it
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 51 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 33uF electrolytic right of IC2 (col 15, rows G-I): first digit sits on the can's dark stripe; read as 33uF, not 3,3uF (no comma, digits adjacent)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 22 | ||||
| ×3 | 150K | 150k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×1 | 7.5K | 7.5k | read from the layout by eye | |
| ×2 | 20K | 20k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×2 | 510Ω | 510 | read from the layout by eye | |
| ×2 | 12K | 12k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 1.8K | 1.8k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×2 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 43K | 43k | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 17 | ||||
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 560pF | 560p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 2.7nF | 2.7n | read from the layout by eye | |
| ×2 | 8.2nF | 8.2n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×3 | 82nF | 82n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| ×1 | 33uF | 33u | electrolytic; read from the layout by eye | |
| ×2 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×4 | 1N4148 | 1N4148 | D1-D4; read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; legend: 2N5457, J201, J113 etc. (K222E in original); read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | legend: 2N5088, BC549C etc. (2SC2362G in original); read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | legend: 2N5088, BC549C etc. (2SC2362G in original); read from the layout by eye | |
| ICs 2 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 5 | ||||
| Drive | A500K | A500k | Potentiometer | read from the layout by eye |
| Treble | B50K | B50k | Potentiometer | read from the layout by eye |
| Mid | B50K | B50k | Potentiometer | read from the layout by eye |
| Bass | C10K | C10k | Potentiometer | read from the layout by eye |
| Level | A50K | A50k | Potentiometer | read from the layout by eye |
Other boards based on the Nobels ODR-B - Bass Overdrive
- Nobels ODR-B Bass Overdrive Experimentalists Anonymous