1590B · 4 knobs
Fuzz Dog· 25rev
2.5 Revs
Based on the Fairfield 900
- Category
- Fuzz
- Controls
- Bias · Fuzz · Input · Vol
- Difficulty
- Medium
- Price
- £36.00
- Tags
- fuzz
From the vendor
Fearsome FET-based Fuzz.
What's so special about that? Well, it's an unusual thing. Most fuzzes use something other than FETs for their signal smashing, and the flavour here is something other than the norm.
The four controls are very interactive, and give you a massive range of tonal variation - from a bit of sizzle to blown-tubes and ripped speaker cone smash-up. It's just... different.
Those magical FETs are available as through-hole, or SMT if you can handle the tiny blighters and want to save a few quid.
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 (depending on selected options), 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 will not take a battery. Knobs are not included.
Builds are only available with full kits including enclosure and vertical-mount pots. Please choose appropriate knobs.
Inspired by: Fairfield 900
Difficulty: Medium
PCB size: 50 x 40mm
Knobs required: 4
Enclosure: 1590B
Direct-Connect compatible (4-way)
Download the INSTRUCTION PDF
Schematic
The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 38 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| R1 | 100R | 100 | ||
| R2 | 1M | 1M | ||
| R3 | 47K | 47k | ||
| R4 | 10K | 10k | ||
| R5 | 47R | 47 | ||
| R6 | 1K | 1k | ||
| R7 | 4M7 | 4.7M | ||
| R8 | 3K3 | 3.3k | ||
| R9 | 3K3 | 3.3k | ||
| R10 | 220K | 220k | ||
| R11 | 10K | 10k | ||
| R12 | 470R | 470 | ||
| R13 | 2K2 | 2.2k | ||
| R14 | 150K | 150k | ||
| R15 | 470K | 470k | ||
| R16 | 1K | 1k | ||
| Capacitors 12 | ||||
| C1 | 100n | 100n | ||
| C2 | 100n | 100n | ||
| C3 | 100u | 100u | elec | |
| C4 | 220p | 220p | ||
| C5 | 10n | 10n | ||
| C6 | 100n | 100n | ||
| C7 | 100n | 100n | ||
| C8 | 100n | 100n | ||
| C9 | 220p | 220p | ||
| C10 | 1u | 1u | ||
| C11 | 22u | 22u | elec | |
| C12 | 22u | 22u | elec | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | ||
| Transistors 4 | ||||
| Q1 | J201 | J201 | ||
| Q2 | J201 | J201 | ||
| Q3 | J201 | J201 | ||
| Q4 | 2N3904 | 2N3904 | ||
| Potentiometers 4 | ||||
| BIAS | 50KB | B50k | Potentiometer | |
| FUZZ | 100KA | A100k | Potentiometer | |
| INPUT | 1MA | A1M | Potentiometer | |
| VOL | 10KA | A10k | Potentiometer | |
| Jacks & sockets 1 | ||||
| J201 | / | / | ||