Enclosure not stated · 5 knobs
Cornish NG-2
Based on the Cornish NG-2· 5 other boards clone it
From the post
Schematic is 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 47 rows
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Check before you build · 3 values the reader of this layout was not sure of
- 75Ω at column 15 rows G-I: the 7 is half hidden under the 4.7uF can; read as 75Ω, could be 7.5Ω
- 51K at column 5 rows G-I: drawn semi-transparent and overlapped, the 5 sits on a cut marker
- Q3/Q4 positions: two transistors sit in column 17 at the top and the Q4 label is at the bottom; designators taken from the legend, not from position
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 23 | ||||
| ×5 | 10K | 10k | read from the layout by eye | |
| ×4 | 100Ω | 100 | read from the layout by eye | |
| ×4 | 120K | 120k | read from the layout by eye | |
| ×2 | 3.9K | 3.9k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 27K | 27k | read from the layout by eye | |
| ×2 | 30K | 30k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 200K | 200k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 51K | 51k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 75Ω | 75 | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 91Ω | 91 | read from the layout by eye | |
| ×1 | 7.5K | 7.5k | read from the layout by eye | |
| ×1 | 51Ω | 51 | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| Capacitors 10 | ||||
| ×5 | 1nF | 1n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×5 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×4 | 220uF | 220u | electrolytic; read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| Z1 | LM4040DIZ | LM4040DIZ | 5v Zener (voltage reference, TO-92); read from the layout by eye | |
| D1 | 1N914 | 1N914 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 5 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| Q2 | NPN Germanium | NPN GERMANIUM | type not given; read from the layout by eye | |
| Q3 | NPN Germanium | NPN GERMANIUM | type not given; read from the layout by eye | |
| Q4 | BC549C | BC549C | read from the layout by eye | |
| Q5 | BC549C | BC549C | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL071 | TL071 | read from the layout by eye | |
| Potentiometers 5 | ||||
| Drive | A100K | A100k | Potentiometer | read from the layout by eye |
| Sustain | B100K | B100k | Potentiometer | read from the layout by eye |
| Bias | B100K | B100k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | A250K | A250k | Potentiometer | read from the layout by eye |
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