Enclosure not stated · 3 knobs
Danelectro FAB Distortion
Based on the Danelectro FAB Distortion
- Category
- Distortion
- Controls
- Distortion · Tone · Volume
- Build
- Vero· 20×19· 21 cuts, 9 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Danelectro, Distortion
From the post
Based on Maxon Distortion Master but with a hardwired bass control and different component values along the signal path. The buffered bypass swithing wasn't included in the schematic so I left it out.
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 33 rows
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Check before you build · 3 values the reader of this layout was not sure of
- Tone pot: legend prints '100kW' clearly, a W taper, entered as W100K
- 3K at O-Q column 17 and 2K at N-P column 3: printed clearly, unusual values
- 7.5K at L-M column 16: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×4 | 10K | 10k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 560Ω | 560 | read from the layout by eye | |
| ×1 | 2K | 2k | read from the layout by eye | |
| ×1 | 3K | 3k | read from the layout by eye | |
| ×1 | 7.5K | 7.5k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 11 | ||||
| ×1 | 10pF | 10p | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×4 | 1N4148 | 1N4148 | D1-D4 (BAS16 SMD diodes in original); read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| ×3 | 2N3904 | 2N3904 | Q1-Q3; legend: 2N3904, 2N5088 etc. (2SC1632 in original); read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM833 | LM833 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Distortion | A250K | A250k | Potentiometer | read from the layout by eye |
| Tone | W100K | W100k | Potentiometer | printed 100kW; read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |