Enclosure not stated · 4 knobs
Guyatone HD2 Harmonic Distortion w. modsVerified
Based on the Guyatone HD2 Harmonic Distortion w. mods
- Category
- Distortion
- Controls
- Distortion · Tone · Shift · Level
- Build
- Vero· 18×22· 24 cuts, 11 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Big Muff, Distortion, Fuzz, Guyatone
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 40 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 24K at column 16 rows N-P: printed clearly, less common value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×3 | 100K | 100k | read from the layout by eye | |
| ×3 | 220K | 220k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×2 | 8.2K | 8.2k | read from the layout by eye | |
| ×2 | 18K | 18k | read from the layout by eye | |
| ×2 | 100Ω | 100 | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 24K | 24k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| R9 | ? | ? | value not given; legend: unknown value, try 22K-39K; read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 11 | ||||
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 15nF | 15n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×2 | 470pF | 470p | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×5 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 7 | ||||
| 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 | 1N60 | 1N60 | germanium; read from the layout by eye | |
| D6 | 1N60 | 1N60 | germanium; read from the layout by eye | |
| D7 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5089 | 2N5089 | High gain NPN silicon. Try 2N5089, MPSA18, BC550C etc. 2SC1815BL in original; read from the layout by eye | |
| Q2 | 2N5089 | 2N5089 | High gain NPN silicon. Try 2N5089, MPSA18, BC550C etc. 2SC1815BL in original; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL072 | TL072 | Dual op amp, try TL072, 4558 etc. M5218L in original; read from the layout by eye | |
| Potentiometers 4 | ||||
| Distortion | A50K | A50k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Shift | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |