Enclosure not stated · 3 knobs
Ampeg Scrambler w. post boostVerified
Based on the Ampeg Scrambler· 10 other boards clone it
From the post
Crazy octave up fuzz with added boost stage and volume control.
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 29 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
- 1nF electrolytic can at right edge (column 17, rows J-L): printed clearly as 1nF, unusual value for an electrolytic, possibly meant 1uF
- 125uF electrolytic at bottom right (column 17, rows P-R): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×1 | 390Ω | 390 | read from the layout by eye | |
| ×4 | 1M | 1M | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×3 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 220Ω | 220 | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×1 | 8.2K | 8.2k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 1nF | 1n | electrolytic; read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 125uF | 125u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×5 | 1N456 | 1N456 | D1-D5: 1N456/1N4148; read from the layout by eye | |
| D6 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 5 | ||||
| Q1 | 2N5306 | 2N5306 | read from the layout by eye | |
| Q2 | BC548B | BC548B | BC168B in original; read from the layout by eye | |
| Q3 | 2N5306 | 2N5306 | read from the layout by eye | |
| Q4 | 2N5306 | 2N5306 | read from the layout by eye | |
| Q5 | BC549C | BC549C | read from the layout by eye | |
| Potentiometers 3 | ||||
| Blend | B50K | B50k | Potentiometer | read from the layout by eye |
| Texture | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
Other boards based on the Ampeg Scrambler
- Aperture Aion FX · 125B · $12.50
- Ampeg Scrambler Effects Layouts (blog)
- Ampeg Scrambler Experimentalists Anonymous
- Ampeg Scrambler Fuzz Dog · 1590B · £28.80
- Level Up JMK PCBs · $9.00
- Eggsploder Madbean · 1590B · $10.00
- Scrambled Octave Moody Sounds · kr795.00
- Ampeg Scrambler Tagboard Effects
- Ampeg Scrambler Tonepad · $11.00
- Ampeg Scrambler turretboard.org