Enclosure not stated · 4 knobs
Boss HM-2 Heavy MetalVerified
Based on the Boss HM-2 Heavy Metal· 3 other boards clone it
- Category
- Distortion
- Controls
- Distortion · Low · High · Level
- Build
- Vero· 21×27· 37 cuts, 19 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Boss, Distortion, HM-2
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 42 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this layout was not sure of
- D4-D5: legend says only 'Germanium', no part number
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×3 | 330Ω | 330 | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×8 | 10K | 10k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 82K | 82k | read from the layout by eye | |
| ×2 | 68K | 68k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 120Ω | 120 | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 22Ω | 22 | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| Capacitors 14 | ||||
| ×4 | 100pF | 100p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 6.8nF | 6.8n | read from the layout by eye | |
| ×4 | 47nF | 47n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 1.5uF | 1.5u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×5 | 1N4148 | 1N4148 | D1, D2, D3, D6, D7; read from the layout by eye | |
| ×2 | Germanium | GERMANIUM | D4, D5; no part number given; read from the layout by eye | |
| D8 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2SK30A | 2SK30A | JFET; read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q3 | 2N5087 | 2N5087 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | LM358 | LM358 | legend: IC1-IC3: LM358, 4558, TL072 etc.; read from the layout by eye | |
| IC2 | LM358 | LM358 | legend: LM358, 4558, TL072 etc.; read from the layout by eye | |
| IC3 | LM358 | LM358 | legend: LM358, 4558, TL072 etc.; read from the layout by eye | |
| Potentiometers 4 | ||||
| Distortion | A250K | A250k | Potentiometer | read from the layout by eye |
| Low | B10K | B10k | Potentiometer | read from the layout by eye |
| High | B10K | B10k | Potentiometer | read from the layout by eye |
| Level | A10K | A10k | Potentiometer | read from the layout by eye |
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