Enclosure not stated · 3 knobs
Mad Professor Ruby Red Booster
Based on the Mad Professor Ruby Red Booster· 2 other boards clone it
From the post
For now, only the booster/overdrive section, might add a separate board for the switchcable bypass buffer later on... 2N5952s is getting really scarce but 2N5457s or 2N5458s is usually a good sub. Just mind the orientation!
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 25 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- 14.7K (ten of them, across the board): printed clearly, unusual value
- 2.61K at column 9, rows I-K: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×10 | 14.7K | 14.7k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 2.61K | 2.61k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×1 | 2K | 2k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 8 | ||||
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×3 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×2 | 470nF | 470n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×2 | 22uF | 22u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N4007 | 1N4007 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Q2 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Q3 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Q4 | 2N5952 | 2N5952 | JFET; read from the layout by eye | |
| Potentiometers 3 | ||||
| Treble | B50K | B50k | Potentiometer | read from the layout by eye |
| Boost | A500K | A500k | Potentiometer | read from the layout by eye |
| Master | A50K | A50k | Potentiometer | read from the layout by eye |
Other boards based on the Mad Professor Ruby Red Booster
- Mad Professor Ruby Red Booster Revolution Deux
- Mad Professor Ruby Red Booster Tagboard Effects