125B · 5 knobs
J. Rockett Tim Pierce OverdriveVerified
Based on the J. Rockett Tim Pierce Overdrive· 1 other board clones it
From the post
Thought this one was interesting so I gave it a go. It's a fairly typical Rockett overdrive (.45 Caliber, Animal, Blue Note, etc.) with a fairly typical MOSFET boost (AMZ Booster, EQD Black Eye, etc.). Fits in a 125B with dual footswitches. Schematic and discussion found here. Fabricated version available on the store.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 35 rows
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Check before you build · 3 values the reader of this layout was not sure of
- Boost pot: the legend has no 'Boost' entry, only 'Power: C50k', taken to be the same pot
- 1.5uF at L-M 12 (below the 10uF, centre of the board): printed clearly, unusual value
- 5.1M at O17-19 above the Level pads: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×3 | 470K | 470k | read from the layout by eye | |
| ×2 | 10M | 10M | read from the layout by eye | |
| ×1 | 5.1M | 5.1M | 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 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| Capacitors 12 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 1uF | 1u | drawn as a box, not a can; read from the layout by eye | |
| ×1 | 1.5uF | 1.5u | electrolytic; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×3 | 1N4007 | 1N4007 | read from the layout by eye | |
| ×2 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×1 | 9.1v | 9V1 | zener; read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | BS170 | BS170 | MOSFET; read from the layout by eye | |
| ICs 1 | ||||
| ×1 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 5 | ||||
| Gain | A500K | A500k | Potentiometer | read from the layout by eye |
| Tone | B10K | B10k | Potentiometer | read from the layout by eye |
| Bass | C25K | C25k | Potentiometer | read from the layout by eye |
| Level | A100K | A100k | Potentiometer | read from the layout by eye |
| Boost | C50K | C50k | Potentiometer | legend calls it Power; read from the layout by eye |
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