125B · 4 knobs
Bulgarian Fuzz
Based on the Vintage Bulgarian schematic,
- Category
- Fuzz· Vintage germanium fuzz
- Controls
- Depth · Gain · Level · Tone
- Difficulty
- Easy
- Price
- €9.90out of stock
- Tags
- soviet
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From the vendor
Project overview
Originally from a Bulgarian electronics magazine from the 80s and never produced as far as we know. This circuit needed a lot of rework and experimentation. The end result: a great touch sensitive unique mellow-sounding Germanium fuzz.
Introduction
Looking for something different in a fuzz pedal? Check out the Bulgarian Fuzz – it’s only available at our store!
The original schematic comes from a Bulgarian electronics magazine from the 80s, and there is no record of a pedal after it.
We had to do some deep work over the original source—Readapting and modernizing the schematic without losing the soul of its roots took us some fair struggle, but it was worth it! The final result is a distinctive two-mode old-school germanium fuzz with harmonics compensation.
With its unique tone, this pedal is sure to stand out from the crowd. If you’re looking for something vintage and special, Bulgarian Fuzz is the perfect build for you.
Controls
Potentiometers
• Depth
• Level
• Tone
• Gain
Switches
• Compensation
For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.
Bulgarian Fuzz 1v2 – Building Docs
Bulgarian Fuzz 1v1 – Building Docs
Bulgarian Fuzz – Drilling template
Schematic
The schematic is in the vendor's build document, page 5. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 32 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R1 | 10M | 10M | ||
| R2 | 68k | 68k | ||
| R3 | 82k | 82k | ||
| R4 | 560r | 560 | ||
| R5 | 10k | 10k | ||
| R6 | 100k | 100k | ||
| R7 | 27k | 27k | ||
| R8 | 6k8 | 6.8k | ||
| R9 | 1M | 1M | ||
| R10 | 2M | 2M | ||
| R11 | 2M | 2M | ||
| R12 | 100r | 100 | ||
| R13 | 470k | 470k | ||
| Capacitors 10 | ||||
| C1 | 220n | 220n | ||
| C2 | 220n | 220n | ||
| C4 | 1n | 1n | ||
| C5 | 220n | 220n | ||
| C6 | 39n | 39n | ||
| C7 | 150n | 150n | ||
| C8 | 470n | 470n | ||
| C9 | 100p | 100p | ||
| C10 | 100p | 100p | ||
| C11 | 100p | 100p | ||
| Diodes 2 | ||||
| D1 | 1N5819 | 1N5819 | ||
| D2 | 1N4148 | 1N4148 | ||
| Transistors 3 | ||||
| Q1 | NPN | NPN | ||
| Q2 | NPN | NPN | ||
| Q3 | NPN | NPN | ||
| Potentiometers 4 | ||||
| DEPTH | B25K | B25k | Potentiometer | |
| GAIN | B1M | B1M | Potentiometer | |
| LEVEL | A50K | A50k | Potentiometer | |
| TONE | A25K | A25k | Potentiometer | |