1590B · 3 knobs
Fuzz Dog· AmpegScrambler
Ampeg Scrambler
Based on the Ampeg Scrambler· 3 other boards clone it
- Category
- Fuzz
- Controls
- Bal · Text · Vol
- Difficulty
- Medium
- Price
- £28.80
- Tags
- fuzz
From the vendor
Intense, take-your-face-off fuzz from a tweaked Ampeg Scrambler-based circuit. The original maxed out at around unity gain, so we've incorporated an optional post-boost and master volume so you can really crank it if you want to. It doesn't colour the tone at all, simply makes it more awesome. Supplied with board-mounted pots with round shafts, so you'll need set-screw fitting knobs). If you want the PCB without parts there's a link for that at the bottom of the page. Partial kit: PCB, all board-mounted components, pots. Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED. Enclosure (pre-drilled) is only available with full kits, and can take a battery if desired with footswitch positioned 22mm higher, closer to the controls. Knobs are not included. Builds are only available with full kits including enclosures. Please choose appropriate knobs. Inspired by: Ampeg Scrambler Difficulty: Medium PCB size: 50 x 37mm Knobs required: 2, 3 Enclosure: 1590B Direct Connect compatible (4 way) Download the INSTRUCTION PDF Ampeg Scrambler
Schematic
The schematic is in the vendor's build document, page 2. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 41 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| R1 | 1M | 1M | ||
| R2 | 1M | 1M | ||
| R3 | 4K7 | 4.7k | ||
| R4 | 2K2 | 2.2k | ||
| R5 | 470K | 470k | ||
| R6 | 4K7 | 4.7k | ||
| R7 | 220R | 220 | ||
| R8 | 8K2 | 8.2k | ||
| R9 | 220K | 220k | ||
| R10 | 220K | 220k | ||
| R11 | 1K | 1k | ||
| R13 | 47K | 47k | ||
| R14 | 47K | 47k | ||
| R15 | 2K2 | 2.2k | ||
| R16 | 100K | 100k | ||
| R17 | 1M | 1M | ||
| R18 | 390R | 390 | ||
| R19 | 10K | 10k | ||
| R20 | 4K7 | 4.7k | ||
| Capacitors 9 | ||||
| C1 | 10n | 10n | ||
| C2 | 4u7 | 4.7u | elec | |
| C3 | 1u | 1u | elec | |
| C4 | 4u7 | 4.7u | elec | |
| C5 | 100u | 100u | elec | |
| C6 | 4u7 | 4.7u | elec | |
| C7 | 1u | 1u | elec | |
| C8 | 1u | 1u | elec | |
| C9 | 1u | 1u | elec | |
| Diodes 5 | ||||
| D1 | 1N4148 | 1N4148 | ||
| D2 | 1N4148 | 1N4148 | ||
| D3 | 1N4148 | 1N4148 | ||
| D4 | 1N4148 | 1N4148 | ||
| D5 | 1N4148 | 1N4148 | ||
| Transistors 5 | ||||
| Q1 | MPSA13** | MPSA13 | ||
| Q3 | MPSA13** | MPSA13 | ||
| Q4 | MPSA13** | MPSA13 | ||
| Q2 | 2N3904*** | 2N3904 | ||
| Q5 | 2N5088 | 2N5088 | ||
| Potentiometers 3 | ||||
| BAL | 50KB | B50k | Potentiometer | |
| TEXT | 10KB | B10k | Potentiometer | |
| VOL | 100KA | A100k | Potentiometer | |
Other boards based on the Ampeg Scrambler
- Aperture Aion FX · 125B · $12.50
- Ampeg Scrambler Experimentalists Anonymous
- Eggsploder Madbean · 1590B · $10.00