1590B · 3 knobs
Fuzz Dog· ChillyBis
Chilly Biscuit Plus
Based on the Crowther Hotcake· 12 other boards clone it
- Category
- Distortion· OD/Dist/Preamp
- Difficulty
- Medium
- Price
- £30.00
- Tags
- od-distortion
From the vendor
From a mild boost to a big, fat distortion. This is a little box of antipodean boutique magic which proves you can have your cake and eat it.
Huge range of distortion available, and a presence control to give you some mid-range whallop.
This PLUS version adds the switches of the later model, offering extra low frequencies and a bluesy-fruit mode that smooths out the distortion a little.
We've added the option to go for MadBean's recommended mods to lower the gain and bass a tad.
The kit is supplied with vertical-mount pots which have 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 available as an option with full kits, and will not take a battery. Knobs are not included.
Builds are only available with full kits including enclosures. Please choose appropriate knobs.
Inspired by: Hot Cake
Difficulty: Medium
PCB size: 50 x 40mm
Knobs required: 3
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 31 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R1 | 2M2 | 2.2M | ||
| R2 | 1M | 1M | ||
| R3 | 10K | 10k | ||
| R4 | 220R | 220 | or 2K2 | |
| R5 | 100K | 100k | ||
| R6 | 10K | 10k | ||
| R7 | 10K | 10k | ||
| R8 | 1K | 1k | ||
| R9 | 220R | 220 | ||
| R10 | 220K | 220k | ||
| R11 | 100K | 100k | ||
| R12 | 82K | 82k | ||
| R13 | 1K | 1k | ||
| Capacitors 9 | ||||
| C1 | 10n | 10n | ||
| C2 | 22n | 22n | ||
| C3 | 82n | 82n | or 39n | |
| C4 | 47n | 47n | ||
| C5 | 100n | 100n | ||
| C6 | 100n | 100n | ||
| C7 | 10u | 10u | Electrolytic capacitor | |
| C8 | 100u | 100u | Electrolytic capacitor | |
| C9 | 47u | 47u | Electrolytic capacitor | |
| Diodes 3 | ||||
| D1 | 1N5817 | 1N5817 | ||
| D2 | 10V 1.3W Zener* | 10V 1.3W ZENER | ||
| D3 | 2V7 500mW Zener | 2V7 500MW ZENER | ||
| Transistors 1 | ||||
| Q1 | 2N3906 | 2N3906 | ||
| ICs 1 | ||||
| IC1 | TL071 | TL071 | ||
| Potentiometers 3 | ||||
| GAIN | 50KC | C50k | Potentiometer | |
| TONE | 50KB | B50k | Potentiometer | |
| VOL | 50KA | A50k | Potentiometer | |
| Switches 1 | ||||
| XLF | SPDT ON-ON | SPDT ON-ON | ||
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