Enclosure not stated · 1 knob
GrumPCB
Based on the Bosstone/ Fuzzly Bear
From the vendor
GrumPCB is a DIY PCB clone inspired by the Bosstone and Fuzzly Bear. Internal trimmers for input level and bias. The clipping diodes are an LED/Ge pair. The Ge footprint has the anode marked with a stripe for Russian Ge diodes.
You'll receive: 1 PCB 1 faceplate 1 3PDT bypass board
See pics for drill guide and BOM.
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 17 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
ocr read from an image · sch paired from the schematic · fixed corrected by hand. Check marked values against the build document.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| R1 | 1Mocr | 1M | ||
| R2 | 560kocr | 560k | ||
| R3 | 150kocr | 150k | ||
| R4 | 560kocr | 560k | ||
| R5 | 18kocr | 18k | ||
| R6 | 2k2ocr | 2.2k | ||
| R7 | 10kocr | 10k | ||
| Capacitors 6 | ||||
| C1 | 220nocr | 220n | ||
| C2 | 220nocr | 220n | ||
| C3 | 22nocr | 22n | ||
| C4 | 47pocr | 47p | ||
| C5 | 100uocr | 100u | ||
| C6 | 100nocr | 100n | ||
| Diodes 1 | ||||
| D5 | 1N5817ocr | 1N5817 | ||
| Transistors 2 | ||||
| Q1 | BC107/ocr | BC107/ | ||
| Q2 | 2N3906ocr | 2N3906 | ||
| Potentiometers 1 | ||||
| VOLUME | A100Kocr | A100k | Potentiometer | |