Enclosure not stated · 3 knobs
Electro Harmonix Bad StoneVerified
Based on the Electro-Harmonix Bad Stone· 1 other board clones it
- Category
- Vibrato / Chorus
- Build
- Vero· 33×33· 74 cuts, 42 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Electro Harmonix, Modulation, Phaser
From the post
This is a monster! It is based on the schematic by Lectric Fx which includes a recovery stage with internal trimpots to set the output volume.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 43 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
- 6.8K at column 20 rows E-H: the first digit is partly hidden by the 100uF can, read as 6,8K
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| ×10 | 27K | 27k | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×16 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×2 | 510Ω | 510 | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×6 | 10K | 10k | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×2 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| ×1 | 82Ω | 82 | read from the layout by eye | |
| ×1 | 47Ω | 47 | read from the layout by eye | |
| Capacitors 7 | ||||
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×7 | 47nF | 47n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic, bipolar (BP); read from the layout by eye | |
| ×1 | 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 | |
| ×1 | 470uF | 470u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 1N914 | 1N914 | read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | read from the layout by eye | |
| ICs 6 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | 4558 | 4558 | read from the layout by eye | |
| IC3 | 4558 | 4558 | read from the layout by eye | |
| IC4 | 4558 | 4558 | read from the layout by eye | |
| IC5 | CD4009B | CD4009B | read from the layout by eye | |
| IC6 | LM324 | LM324 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Rate | C1M | C1M | Potentiometer | read from the layout by eye |
| Manual | B100K | B100k | Potentiometer | read from the layout by eye |
| Feedback | B100K | B100k | Potentiometer | read from the layout by eye |
| Trimmers 2 | ||||
| Vib Vol | 100K | 100k | read from the layout by eye | |
| Phase Vol | 100K | 100k | read from the layout by eye | |
| Switches 2 | ||||
| Auto/Man Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Color Sw | 3PDT on/on | 3PDT ON/ON | toggle; read from the layout by eye | |
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