Enclosure not stated · 3 knobs
Friedman Golden PearlVerified
Based on the Friedman Golden Pearl· 5 other boards clone it
From the post
Here's a good sounding lower gain overdrive from Friedman. Several options with this circuit with clipping and tone options on toggle switches. Fairly transparent, as they say.
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 23 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
- Voice and HiCut switches: legend prints 'SPST on/off/on' but each has three lugs (3 2 1), so they are probably SPDT on/off/on
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×2 | 2.2K | 2.2k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×2 | 22nF | 22n | read from the layout by eye | |
| ×1 | 39nF | 39n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM833 | LM833 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | A1M | A1M | Potentiometer | read from the layout by eye |
| Tone | B25K | B25k | Potentiometer | read from the layout by eye |
| Volume | A10K | A10k | Potentiometer | read from the layout by eye |
| Switches 2 | ||||
| Voice | SPST on/off/on | SPST ON/OFF/ON | toggle, as printed; three lugs drawn; read from the layout by eye | |
| HiCut | SPST on/off/on | SPST ON/OFF/ON | toggle, as printed; three lugs drawn; read from the layout by eye | |
| LEDs 2 | ||||
| D1 | 3mm yellow LED | 3MM YELLOW LED | read from the layout by eye | |
| D2 | 3mm yellow LED | 3MM YELLOW LED | read from the layout by eye | |
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